Fizik Terra Powerstrap X4 Off-Road ShoesThe Fizik Terra Powerstrap X4 Off-Road Shoes set a new standard for the cyclist who loves nothing more than getting off the beaten track, from the broken tarmac of quiet country roads before dashing off on a gravel track and then flowing singletrack trails. Simplicity, efficiency and adaptability sum up the Terra Powerstrap X4 cycling shoes. They've been engineered for the drop bar rider who loves to ride mixed terrain, with the efficient power transfer of a road shoe and the durability of an MTB shoe.Powerstrap Closure SystemThe Terra Powerstrap X4 shoes make use of Fizik's ingenious new Powerstrap closure system to deliver simple to use and exemplary comfort. In order to offer stability and comfort throughout your ride, the Powerstrap system features a lightweight and reliable hook and loop strap system that, unlike a traditional strap, pulls together the two sides of the upper thanks to the ribbon wrapping around the foot. This provides even pressure across the whole foot from just two straps and delivers an unrivalled level of riding comfort with minimal bulk or complexity.X4 OutsoleFor a shoe likely to see action both on and off the road the sole unit needs to be versatile. Fizik developed a specific outsole, combining the stiffness of a road-going shoe with a pared-down rubber MTB style tread to provide grip and durability when you're off the bike. For riding on mixed surfaces, the nylon sole offers efficient power transfer but with dialled in flex to take the sting out of rougher terrain.Ride without limits and seek new adventures and new horizons with the Terra Powerstrap X4 cycling shoes.Features:Powerstrap: foot-wrapping Velcro closure designed for an enveloping fitX4 outsole: targeted stiffness and rubber tread for mixed surfacesX4 nylon outsole - with rubber tread, stiffness index 6Weight: 292g (size 42- 1/2 pair)Buy Fizik from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik Terra Clima X2 Off-Road ShoesThe trails may be muddy, and a cold drizzle hangs in the air but with the Fizik Terra Clima X2 MTB Shoes, you'll enjoy complete comfort as they repel dirt and water leaving you to flow any mountain bike trail with cosy feet and a smile on your face.Mountain Bike. Whatever the Weather.The Terra Clima X2 Mountain Bike Shoes are both waterproof and breathable meaning those days of finishing a muddy ride with wet feet is a thing of the past. Even if your ride starts in the wet and then clears up, the Clima X2s won't leave your feet feeling sweaty thanks to the waterproof liner that not only keeps rain and mud out but lets moisture vapour escape. An integrated ankle gaiter provides a secure seal against dirt but one with plenty of flexibility to make pedalling natural and unrestricted.They're tough too, the upper made from a layered, hardwearing ripstop woven fabric that does a brilliant job of resisting tearing and ripping. Elsewhere a PU-laminated toecap and side reinforcements take care of rock and root strikes, ensuring protection when navigating tough terrain.BOA L6 Dial SystemWhen it comes to getting the fit just right you have the combination of a quick and easy to use BOA dial, offering micro-tuneable fit. This is complemented by an upper foot strap so you can get a secure and stable pedalling platform.X2 Outsole + Vibram MegagripNext comes the X2 outsole. This is a versatile sole unit engineered to balance efficient power-transfer and the flexibility to make those times your off the bike comfortable too. An EVA midsole offers both cushioning and stability, while the Vibram Megagrip rubber tread offers tenacious grip no matter what the conditions are underfoot. Once clipped into your pedals the directional lug pattern offers confidence-inspiring security while the spacing and depth hold firm in soft dirt and on slick rocks. The X2s also features an extended cleat track, with more set back and greater flexibility for choosing cleat placement.Features:X2 outsole - nylon shank, EVA midsole and Vibram tread, stiffness index 31x BOA L6 dial & single Velcro strapClima: waterproof/breathable upperRipstop fabric: woven fabric resistant to tearing and rippingIntegrated knitted gaiter: seals out debrisX2 outsole: Vibram grip for traction, on and off the bike2-bolt cleat compatibleWeight: 414g (size 42- 1/2 pair)Buy Fizik from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik Transiro R3 Infinito ShoesThe Transiro R3 Infinito Shoes take the phrase ‘no time to waste’ and redefine it for athletes that are looking to shave vital seconds off their personal best. Fizik’s outstanding creation makes the transitional period between water and saddle effortless and utilises a simple pull look to the rear in order to help pull them on quickly.Now you’ve pulled the Transiro R3 Infinito Shoes on, it’s time to secure your fitting. Having conquered the quick foot entry the instep powerstrap locks in the wide-open positions in order to tighten the customised comfort. The volume control system brings a differentiated fit adjustment to the table and welcomes all shapes and sizes. The powerstrap works in tandem with the BOA dial to easily work the tightness of the Transiro R3 around your foot and the Infinito technology relieves tension and pressure hot spots via the textile webbing. Replacing plastic lace guiding, this closure system works around the larger area of the upper to pull it all together, acting as a closing envelope to secure your foot for a higher degree of comfort and balance.BreathabilityEliminating the build-up of perspiration from the first pedal until the last, the Transiro R3 Infinito Shoes fend off moisture and odours from those that really up the ante in the second stage. Wet feet from the swim won’t take control of your comfort levels and you can also go sockless in order to shorten your transition period. The shoes will quickly dry and wick while the mesh upper vents and maximises the flow of air around the foot.In order to start sweating you need to travel at pace though. The PU lamination directs each and every watt of power from your legs to the pedals for an explosive cadence and the R3 unidirectional full carbon outsole blasts riders away from their rivals to leave them in the best position possible for the running finale. Lightweight and intuitive, the Transiro R3 is a must for triathletes that crave perfection.Features:TRANSIRO: Triathlon series, designed for uncompromised cycling performance and efficient transitionsROAD: Designed and engineered to perform on paved roads, from the smoothest tarmac to the most demanding pavePU laminated mesh upper: enhanced ventilation with support where neededR3 full UD carbon outsole: highly stiff interface ideal for a direct power transferInstep Powerstrap: intuitive, quick and secure closureInfinito: advanced volume control of the forefoot areaVolume Control: independent fit adjustment for instep and forefootBOA IP1-BR3 outsole - full carbon unidirectionalWeight: 476g (size 42)Buy Fizik from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik Transiro R4 Powerstrap Shoes Become a master of the transition with Fizik's Transiro R4 Powerstrap Shoes, outstanding triathlon performers that work fast both on and off the pedals. Hit the Road Before, climbing out of the water always made pulling on your cycling shoes a nightmare. Compromising your transition times, athletes would lose vital seconds in their change over and would have to pedal harder to make up the lost ground. Thanks to the Transiro R4 Powerstrap Shoes, getting into the saddle can now be done faster than ever, with Fizik incorporating a pull loop at the back that works in tandem with the brand's famed powerstrap. This impressive design secures your fitting effortlessly to fasten the shoe and pull an extended area of the upper over the body of the foot, making an envelope that wraps you in outstanding comfort. For those that ride aggressively, the Transiro R4 Powerstrap Shoes are effortlessly breathable to ensure perspiration does not compromise comfort. The upper is crafted from mesh and Microtex to support and ventilate while airflow is maximised around the foot to keep sweat at bay. Increasing comfort and pedalling efficiency, the Microtex works in tandem with the carbon injected nylon outsole to stiffen up your footwear, injecting an explosive power transfer direct to your pedals. Features: TEMPO: Versatility road series designed for the most enjoyable riding experience ROAD: Designed and engineered to perform on paved roads, from the smoothest tarmac to the most demanding pave Overcurve: asymmetrical construction that ergonomically conforms to the foot's anatomy Microtex upper: supple yet strong and durable for a comfortable and consistent fit R5 nylon composite outsole: delivers a balance between comfort and pedalling efficiency BOA IP1-B dial R5 outsole - carbon reinforced nylon Approximate weight: 253g (size 42 - 1/2 pair) Buy Fizik from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik Tempo R5 Powerstrap Reflective Road ShoesLighting up when caught in headlights, the Fizik Tempo R5 Powerstrap Reflective Road Shoes feature a fully reflective upper mtached to the innovative Powerstrap closure system. If you do a lot of your training in the low light of early morning or into the darkness of evening, the Tempo R5 Powerstrap Reflective Road Shoes are the perfect companion. Thanks to their reflective upper, the movement of your feet will immediately catch the attention of fellow road users. And with their snug fit and composite sole, performance is optimised too. Strap in and set offThe Tempo R5 Powerstrap Shoes secure your foot via an innovative wrap-around strap system that offers both stability and comfort throughout your ride. Utilising Velcro® straps, the Powerstrap design, rather than simply pulling the sides of the shoe together, envelopes the whole foot, giving you a superbly snug fit and one that provides a stable and secure pedalling platform. The Powerstrap system also fulfils Fizik’s Volume Control ethos. The instep and midfoot are adjustable separately, allowing you to tailor the fit to your liking and getting just the right level of compression and customisation. Another advantage of the sleek fit and design is the ease with which you can slip on waterproof overshoes when the storm clouds burst - these don't have to be a summer-only shoe. No laces. No dials. No fuss. More comfort. R5 Sole UnitWhen it comes to performance, the R5 nylon composite outsole won't let you down. It delivers the perfect balance between comfort and pedalling efficiency and makes the most of your watts, transferring power to your pedals for rapid accelerations and top-peed efforts. Fizik have also dialled in some tuned flex, increasing suppleness for comfort over long distances. The overall lightweight design of the shoe ensures speed isn’t compromised.Cleat GuidanceThese Road Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Fully Reflective upperPowerstrap foot-wrapping Velcro® closure designed for an enveloping fitR5 nylon composite outsole delivers balance between comfort and pedalling efficiencyR5 outsole - carbon reinforced nylonApproximate weight: 250g (size 42 - 1/2 pair)3-bolt cleat compatible (cleats not supplied)Buy Fizik Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik Tempo R5 Powerstrap Reflective Road ShoesLighting up when caught in headlights, the Fizik Tempo R5 Powerstrap Reflective Road Shoes feature a fully reflective upper mtached to the innovative Powerstrap closure system. If you do a lot of your training in the low light of early morning or into the darkness of evening, the Tempo R5 Powerstrap Reflective Road Shoes are the perfect companion. Thanks to their reflective upper, the movement of your feet will immediately catch the attention of fellow road users. And with their snug fit and composite sole, performance is optimised too. Strap in and set offThe Tempo R5 Powerstrap Shoes secure your foot via an innovative wrap-around strap system that offers both stability and comfort throughout your ride. Utilising Velcro® straps, the Powerstrap design, rather than simply pulling the sides of the shoe together, envelopes the whole foot, giving you a superbly snug fit and one that provides a stable and secure pedalling platform. The Powerstrap system also fulfils Fizik’s Volume Control ethos. The instep and midfoot are adjustable separately, allowing you to tailor the fit to your liking and getting just the right level of compression and customisation. Another advantage of the sleek fit and design is the ease with which you can slip on waterproof overshoes when the storm clouds burst - these don't have to be a summer-only shoe. No laces. No dials. No fuss. More comfort. R5 Sole UnitWhen it comes to performance, the R5 nylon composite outsole won't let you down. It delivers the perfect balance between comfort and pedalling efficiency and makes the most of your watts, transferring power to your pedals for rapid accelerations and top-peed efforts. Fizik have also dialled in some tuned flex, increasing suppleness for comfort over long distances. The overall lightweight design of the shoe ensures speed isn’t compromised.Cleat GuidanceThese Road Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Fully Reflective upperPowerstrap foot-wrapping Velcro® closure designed for an enveloping fitR5 nylon composite outsole delivers balance between comfort and pedalling efficiencyR5 outsole - carbon reinforced nylonApproximate weight: 250g (size 42 - 1/2 pair)3-bolt cleat compatible (cleats not supplied)Buy Fizik Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik Tempo Overcurve R4 Wide Fit Road ShoesThe Fizik Tempo Overcurve R4 Wide Fit Road Shoes deliver the same outstanding comfort and superb pedalling efficiency as the standard-fit shoes but with extra volume for those of you who need some extra space for wider feet. Sleek and stylish design meets high-performance features, making the Tempo Overcurve R4 Wide Fit Road Shoes perfect for the modern cyclist no matter what discipline of road riding you enjoy, from track to crit circuit to road race to epic all-day adventures. This wide-fit adds extra volume to the shoe, with more room offered at the forefoot around the ball of the foot and metatarsals.Overcurve ConstructionComfort and a secure foothold are provided by the way of Fizik's Overcurve construction - this uses a staggered collar to wrap around the ankle and traces the natural misalignment of the two bony protrusions in the lateral and medial malleoli. Offering riders an asymmetrical shape, the shoe curves over the foot to wrap it snugly and securely and guides all the way from the outside to the inner for one of the finest fits possible. To provide a quick and simple closure Fizik uses s the Boa® IP1-B dial system - just twist and go.R4 OutsoleThe carbon-injected nylon R4 Outsole achieves the perfect level of stiffness to balance the demands of pedalling efficiency while maintaining comfort over longer distances. Ventilation is also optimised with internal channelling maintaining a stable foot temperature and the cleat position allows for aggressive aero positions.Features:Outsole: R4 outsole - carbon injected nylon, stiffness index 7Overcurve: asymmetrical construction that ergonomically conforms to the foot's anatomyBoa® IP1-B dialPU laminated mesh upper: enhanced ventilation with support where needed3-bolt cleat compatibleWeight: 232g (size 42- 1/2 pair)Buy Fizik Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik Tempo Overcurve R4 Wide Fit Road ShoesThe Fizik Tempo Overcurve R4 Wide Fit Road Shoes deliver the same outstanding comfort and superb pedalling efficiency as the standard-fit shoes but with extra volume for those of you who need some extra space for wider feet. Sleek and stylish design meets high-performance features, making the Tempo Overcurve R4 Wide Fit Road Shoes perfect for the modern cyclist no matter what discipline of road riding you enjoy, from track to crit circuit to road race to epic all-day adventures. This wide-fit adds extra volume to the shoe, with more room offered at the forefoot around the ball of the foot and metatarsals.Overcurve ConstructionComfort and a secure foothold are provided by the way of Fizik's Overcurve construction - this uses a staggered collar to wrap around the ankle and traces the natural misalignment of the two bony protrusions in the lateral and medial malleoli. Offering riders an asymmetrical shape, the shoe curves over the foot to wrap it snugly and securely and guides all the way from the outside to the inner for one of the finest fits possible. To provide a quick and simple closure Fizik uses s the Boa® IP1-B dial system - just twist and go.R4 OutsoleThe carbon-injected nylon R4 Outsole achieves the perfect level of stiffness to balance the demands of pedalling efficiency while maintaining comfort over longer distances. Ventilation is also optimised with internal channelling maintaining a stable foot temperature and the cleat position allows for aggressive aero positions.Features:Outsole: R4 outsole - carbon injected nylon, stiffness index 7Overcurve: asymmetrical construction that ergonomically conforms to the foot's anatomyBoa® IP1-B dialPU laminated mesh upper: enhanced ventilation with support where needed3-bolt cleat compatibleWeight: 232g (size 42- 1/2 pair)Buy Fizik Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik R2 Vento Powerstrap Aeroweave Road ShoesA new breed of super-light and super-ventilated racing shoes, the Fizik R2 Vento Powerstrap Aeroweave Road Shoes deliver race-winning, rival-dropping pedalling performance alongside outstanding levels of cool airflow. Fizik's engineers set themselves the task of creating a super-light shoe that made no sacrifices to foot support and pedalling performance. It also had to be incredibly breathable too. The result is the R2 Vento Powerstrap Aeroweave Road Shoes. Aeroweave TechnologyAeroweave is an innovative woven fabric, interweaving lightweight nylon fibres with filaments of thermoplastic polymer. This combination creates a net-like structure that is highly durable but offers incredible levels of ventilation. Not only that, Aeroweave offers a supple fit, moving and cradling the foot for comfort while retaining the full support you need for a stable and efficient pedal stroke. Powerstrap PerformanceThe R2 Vento Powerstrap Aeroweave secure your foot with a simple but ingenious configuration of the traditional strap system.In order to offer stability and comfort throughout your ride, the Powerstrap system features a lightweight and reliable hook and loop strap system that pulls together the two sides of the upper. However, unlike a traditional system, the Powerstraps fully wrap around the upper. This provides even pressure across the whole foot, the ribbon wrapping around your foot for an unrivalled level of riding comfort. Another benefit is a much more aero finish than a traditional strap system. R2 Carbon OutsoleThe stiffest and lightest sole unit in the Fizik range, R2 Carbon Outsole delivers incredible responsiveness, with power transferred to your pedals with outstanding efficiency. Jump for a sprint or attack a climb and you're rewarded with immediate acceleration - only fitness is holding you back.Efficient pedalling is also optimised thanks to the cleat track position. This has been set further rearwards to improve pedalling dynamics, reduce knee compression and power transfer - it's especially well-suited to very aggressive, forward aero riding positions.Cleat GuidanceThese Cycling Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Aeroweave - extremely breathable, high tenacity net-like upper structurePowerstrap - foot-wrapping Velcro closure designed for an enveloping fitR2 carbon outsole - optimized cleat positioning, high stiffness andlightness tuned for power transferR2 outsole - full carbon, stiffness index 103-bolt cleat compatible (cleats not supplied)Weight: 196g (size 42)Buy Fizik Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik R2 Vento Powerstrap Aeroweave Road ShoesA new breed of super-light and super-ventilated racing shoes, the Fizik R2 Vento Powerstrap Aeroweave Road Shoes deliver race-winning, rival-dropping pedalling performance alongside outstanding levels of cool airflow. Fizik's engineers set themselves the task of creating a super-light shoe that made no sacrifices to foot support and pedalling performance. It also had to be incredibly breathable too. The result is the R2 Vento Powerstrap Aeroweave Road Shoes. Aeroweave TechnologyAeroweave is an innovative woven fabric, interweaving lightweight nylon fibres with filaments of thermoplastic polymer. This combination creates a net-like structure that is highly durable but offers incredible levels of ventilation. Not only that, Aeroweave offers a supple fit, moving and cradling the foot for comfort while retaining the full support you need for a stable and efficient pedal stroke. Powerstrap PerformanceThe R2 Vento Powerstrap Aeroweave secure your foot with a simple but ingenious configuration of the traditional strap system.In order to offer stability and comfort throughout your ride, the Powerstrap system features a lightweight and reliable hook and loop strap system that pulls together the two sides of the upper. However, unlike a traditional system, the Powerstraps fully wrap around the upper. This provides even pressure across the whole foot, the ribbon wrapping around your foot for an unrivalled level of riding comfort. Another benefit is a much more aero finish than a traditional strap system. R2 Carbon OutsoleThe stiffest and lightest sole unit in the Fizik range, R2 Carbon Outsole delivers incredible responsiveness, with power transferred to your pedals with outstanding efficiency. Jump for a sprint or attack a climb and you're rewarded with immediate acceleration - only fitness is holding you back.Efficient pedalling is also optimised thanks to the cleat track position. This has been set further rearwards to improve pedalling dynamics, reduce knee compression and power transfer - it's especially well-suited to very aggressive, forward aero riding positions.Cleat GuidanceThese Cycling Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Aeroweave - extremely breathable, high tenacity net-like upper structurePowerstrap - foot-wrapping Velcro closure designed for an enveloping fitR2 carbon outsole - optimized cleat positioning, high stiffness andlightness tuned for power transferR2 outsole - full carbon, stiffness index 103-bolt cleat compatible (cleats not supplied)Weight: 196g (size 42)Buy Fizik Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik R2 Vento Powerstrap Aeroweave Road ShoesA new breed of super-light and super-ventilated racing shoes, the Fizik R2 Vento Powerstrap Aeroweave Road Shoes deliver race-winning, rival-dropping pedalling performance alongside outstanding levels of cool airflow. Fizik's engineers set themselves the task of creating a super-light shoe that made no sacrifices to foot support and pedalling performance. It also had to be incredibly breathable too. The result is the R2 Vento Powerstrap Aeroweave Road Shoes. Aeroweave TechnologyAeroweave is an innovative woven fabric, interweaving lightweight nylon fibres with filaments of thermoplastic polymer. This combination creates a net-like structure that is highly durable but offers incredible levels of ventilation. Not only that, Aeroweave offers a supple fit, moving and cradling the foot for comfort while retaining the full support you need for a stable and efficient pedal stroke. Powerstrap PerformanceThe R2 Vento Powerstrap Aeroweave secure your foot with a simple but ingenious configuration of the traditional strap system.In order to offer stability and comfort throughout your ride, the Powerstrap system features a lightweight and reliable hook and loop strap system that pulls together the two sides of the upper. However, unlike a traditional system, the Powerstraps fully wrap around the upper. This provides even pressure across the whole foot, the ribbon wrapping around your foot for an unrivalled level of riding comfort. Another benefit is a much more aero finish than a traditional strap system. R2 Carbon OutsoleThe stiffest and lightest sole unit in the Fizik range, R2 Carbon Outsole delivers incredible responsiveness, with power transferred to your pedals with outstanding efficiency. Jump for a sprint or attack a climb and you're rewarded with immediate acceleration - only fitness is holding you back.Efficient pedalling is also optimised thanks to the cleat track position. This has been set further rearwards to improve pedalling dynamics, reduce knee compression and power transfer - it's especially well-suited to very aggressive, forward aero riding positions.Cleat GuidanceThese Cycling Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Aeroweave - extremely breathable, high tenacity net-like upper structurePowerstrap - foot-wrapping Velcro closure designed for an enveloping fitR2 carbon outsole - optimized cleat positioning, high stiffness andlightness tuned for power transferR2 outsole - full carbon, stiffness index 103-bolt cleat compatible (cleats not supplied)Weight: 196g (size 42)Buy Fizik Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Fizik R2 Vento Powerstrap Aeroweave Road ShoesA new breed of super-light and super-ventilated racing shoes, the Fizik R2 Vento Powerstrap Aeroweave Road Shoes deliver race-winning, rival-dropping pedalling performance alongside outstanding levels of cool airflow. Fizik's engineers set themselves the task of creating a super-light shoe that made no sacrifices to foot support and pedalling performance. It also had to be incredibly breathable too. The result is the R2 Vento Powerstrap Aeroweave Road Shoes. Aeroweave TechnologyAeroweave is an innovative woven fabric, interweaving lightweight nylon fibres with filaments of thermoplastic polymer. This combination creates a net-like structure that is highly durable but offers incredible levels of ventilation. Not only that, Aeroweave offers a supple fit, moving and cradling the foot for comfort while retaining the full support you need for a stable and efficient pedal stroke. Powerstrap PerformanceThe R2 Vento Powerstrap Aeroweave secure your foot with a simple but ingenious configuration of the traditional strap system.In order to offer stability and comfort throughout your ride, the Powerstrap system features a lightweight and reliable hook and loop strap system that pulls together the two sides of the upper. However, unlike a traditional system, the Powerstraps fully wrap around the upper. This provides even pressure across the whole foot, the ribbon wrapping around your foot for an unrivalled level of riding comfort. Another benefit is a much more aero finish than a traditional strap system. R2 Carbon OutsoleThe stiffest and lightest sole unit in the Fizik range, R2 Carbon Outsole delivers incredible responsiveness, with power transferred to your pedals with outstanding efficiency. Jump for a sprint or attack a climb and you're rewarded with immediate acceleration - only fitness is holding you back.Efficient pedalling is also optimised thanks to the cleat track position. This has been set further rearwards to improve pedalling dynamics, reduce knee compression and power transfer - it's especially well-suited to very aggressive, forward aero riding positions.Cleat GuidanceThese Cycling Shoes are compatible with road bike pedal systems that use cleats with 3-bolt standards, such as: Look Delta and Keo, Shimano SPD-SL, Speedplay Light Action, Zero, X-Series (via 3-hole adapter plate), Campagnolo Pro-Fit, Mavic Zxellium, Time Iclic/Xpresso and Time Impact.Features:Aeroweave - extremely breathable, high tenacity net-like upper structurePowerstrap - foot-wrapping Velcro closure designed for an enveloping fitR2 carbon outsole - optimized cleat positioning, high stiffness andlightness tuned for power transferR2 outsole - full carbon, stiffness index 103-bolt cleat compatible (cleats not supplied)Weight: 196g (size 42)Buy Fizik Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.