Sidi Women's Alba 2 Road ShoesA carbon composite sole, precise and easy fit adjustment and a super-durable but supple upper all make the Sidi Women's Alba 2 Road Shoes a fabulous choice for any level of bike rider. The slimmer, women's specific fit also offers wonderful comfort as you push on the pedals. The Women's Alba 2 Road Shoes are an excellent introduction to Sidi's world of high-performance, comfortable and durable road riding shoes. They boast a supple but tough upper made from a material called 'Politex'. This material gives the shoe a snug and comfortable fit while resisting rips, abrasions, stretching and fading. They're a shoe you'll enjoy wearing season after season after season.Comfort is also optimised thanks to the easy adjustment of the fit. This adjustment is via Soft Instep Closure 3 system and dual strap closures. A wide EVA thermo-formed padded strap wraps across the top of the foot and is adjustable on both inner and outer sides for a perfect fit every time you ride. The two lower straps then give easy adjustment of pressure, even on the go. Millennium 4 Carbon Composite SoleYou've trained hard to get fit so why waste your power through a soft sole unit. Injected carbon fibre in a Nylon matrix gives the Millennium 4 Carbon Composite Sole the ideal balance of stiffness, durability and affordability. More rigid than a standard sole, it allows you to get the power to your pedals with optimal efficiency and the carbon fibres also ensure it's less susceptible to a change in performance over the lifetime of your shoes. The anti-slip toe insert and replaceable polyurethane heel pad give you sure-footed non-slip confidence at the cafe stop.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:Please Note: Sidi recommend purchasing one whole size up from your usual fitWomen's specific fit - Narrower across the ball of the foot - Less volume, on the instep area and a narrower heel cupSoft Instep Closure 3Tecno 3 dial adjusterDual-strap lower adjustmentMillennium 4 Carbon Composite soleSidi Heel CupReplaceable heel padUpper: Politex eco-friendly3-bolt cleat compatibleBuy Sidi Shoes from Chain Reaction Cycles, the World's Largest Online Bike Store.
The SOFT INSTEP CLOSURE SYSTEM is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area. The SOFT INSTEP CLOSURE SYSTEM is adjustable from both sides, to perfectly center the EVA pad over a high or low instep. The system eliminates the need for the High Instep Extender. The SOFT INSTEP CLOSURE SYSTEM is replaceable. TECNO-3 SYSTEM dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit. SIDI’s famously reliable and replaceable closures are improved by an all new proprietary SIDI Wire material that is completely non-binding for intuitive and effortless on-thefly adjustments. Reinforced cup that stabilizes and supports the heel. Anatomically shaped plastic, reduces heel slip and provides increased power transfer. Provides additional foot protection in the event of a crash.For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad. The MILLENNIUM 4 CARBON COMPOSITE SOLE features injected carbon fiber in a matrix of Nylon, providing more rigidity than a standard nylon sole. The MILLENNIUM 4 CARBON COMPOSITE Sole is also more durable, completely non water-absorbent and mechanically stable, meaning it’s less susceptible to changes in stiffness resulting from aging, prolonged usage, and changes in temperature or humidity. An anti-slip toe insert and replaceable polyurethane heel pad are incorporated into the MILLENNIUM 4 CARBON COMPOSITE Sole, for walkability. The MILLENNIUM 4 CARBON COMPOSITE Sole uses a standard 3-hole drilling pattern for compatibility with the best pedal systems available, and includes a printed 10 mm lateral and fore/aft cleat alignment scale on the sole for easy cleat alignment and replacement. ALBA 2 in the special woman version, perfectly fits the female foot in order to perform even better for the ladies. Tapered last mimics a women’s more tapered foot shape Narrower across the ball of the foot Less volume, on the instep area and a narrower heel cup
The SOFT INSTEP CLOSURE SYSTEM is a wide, anatomically curved strap combined with a soft, thermo-formed EVA pad that distributes pressure evenly over the instep area. The SOFT INSTEP CLOSURE SYSTEM is adjustable from both sides, to perfectly center the EVA pad over a high or low instep. The system eliminates the need for the High Instep Extender. The SOFT INSTEP CLOSURE SYSTEM is replaceable. TECNO-3 SYSTEM dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit. SIDI’s famously reliable and replaceable closures are improved by an all new proprietary SIDI Wire material that is completely non-binding for intuitive and effortless on-thefly adjustments. Reinforced cup that stabilizes and supports the heel. Anatomically shaped plastic, reduces heel slip and provides increased power transfer. Provides additional foot protection in the event of a crash.For walkability, Sidi cycling shoes include a replaceable polyurethane heel pad. The MILLENNIUM 4 CARBON COMPOSITE SOLE features injected carbon fiber in a matrix of Nylon, providing more rigidity than a standard nylon sole. The MILLENNIUM 4 CARBON COMPOSITE Sole is also more durable, completely non water-absorbent and mechanically stable, meaning it’s less susceptible to changes in stiffness resulting from aging, prolonged usage, and changes in temperature or humidity. An anti-slip toe insert and replaceable polyurethane heel pad are incorporated into the MILLENNIUM 4 CARBON COMPOSITE Sole, for walkability. The MILLENNIUM 4 CARBON COMPOSITE Sole uses a standard 3-hole drilling pattern for compatibility with the best pedal systems available, and includes a printed 10 mm lateral and fore/aft cleat alignment scale on the sole for easy cleat alignment and replacement. ALBA 2 in the special woman version, perfectly fits the female foot in order to perform even better for the ladies. Tapered last mimics a women’s more tapered foot shape Narrower across the ball of the foot Less volume, on the instep area and a narrower heel cup
Sidi Women's Alba 2 Road ShoesA carbon composite sole, precise and easy fit adjustment and a super-durable but supple upper all make the Sidi Women's Alba 2 Road Shoes a fabulous choice for any level of bike rider. The slimmer, women's specific fit also offers wonderful comfort as you push on the pedals. The Women's Alba 2 Road Shoes are an excellent introduction to Sidi's world of high-performance, comfortable and durable road riding shoes. They boast a supple but tough upper made from a material called 'Politex'. This material gives the shoe a snug and comfortable fit while resisting rips, abrasions, stretching and fading. They're a shoe you'll enjoy wearing season after season after season.Comfort is also optimised thanks to the easy adjustment of the fit. This adjustment is via Soft Instep Closure 3 system and dual strap closures. A wide EVA thermo-formed padded strap wraps across the top of the foot and is adjustable on both inner and outer sides for a perfect fit every time you ride. The two lower straps then give easy adjustment of pressure, even on the go. Millennium 4 Carbon Composite SoleYou've trained hard to get fit so why waste your power through a soft sole unit. Injected carbon fibre in a Nylon matrix gives the Millennium 4 Carbon Composite Sole the ideal balance of stiffness, durability and affordability. More rigid than a standard sole, it allows you to get the power to your pedals with optimal efficiency and the carbon fibres also ensure it's less susceptible to a change in performance over the lifetime of your shoes. The anti-slip toe insert and replaceable polyurethane heel pad give you sure-footed non-slip confidence at the cafe stop.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:Please Note: Sidi recommend purchasing one whole size up from your usual fitWomen's specific fit - Narrower across the ball of the foot - Less volume, on the instep area and a narrower heel cupSoft Instep Closure 3Tecno 3 dial adjusterDual-strap lower adjustmentMillennium 4 Carbon Composite soleSidi Heel CupReplaceable heel padUpper: Politex eco-friendly3-bolt cleat compatibleBuy Sidi Shoes from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Women's Alba 2 Road ShoesA carbon composite sole, precise and easy fit adjustment and a super-durable but supple upper all make the Sidi Women's Alba 2 Road Shoes a fabulous choice for any level of bike rider. The slimmer, women's specific fit also offers wonderful comfort as you push on the pedals. The Women's Alba 2 Road Shoes are an excellent introduction to Sidi's world of high-performance, comfortable and durable road riding shoes. They boast a supple but tough upper made from a material called 'Politex'. This material gives the shoe a snug and comfortable fit while resisting rips, abrasions, stretching and fading. They're a shoe you'll enjoy wearing season after season after season.Comfort is also optimised thanks to the easy adjustment of the fit. This adjustment is via Soft Instep Closure 3 system and dual strap closures. A wide EVA thermo-formed padded strap wraps across the top of the foot and is adjustable on both inner and outer sides for a perfect fit every time you ride. The two lower straps then give easy adjustment of pressure, even on the go. Millennium 4 Carbon Composite SoleYou've trained hard to get fit so why waste your power through a soft sole unit. Injected carbon fibre in a Nylon matrix gives the Millennium 4 Carbon Composite Sole the ideal balance of stiffness, durability and affordability. More rigid than a standard sole, it allows you to get the power to your pedals with optimal efficiency and the carbon fibres also ensure it's less susceptible to a change in performance over the lifetime of your shoes. The anti-slip toe insert and replaceable polyurethane heel pad give you sure-footed non-slip confidence at the cafe stop.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:Please Note: Sidi recommend purchasing one whole size up from your usual fitWomen's specific fit - Narrower across the ball of the foot - Less volume, on the instep area and a narrower heel cupSoft Instep Closure 3Tecno 3 dial adjusterDual-strap lower adjustmentMillennium 4 Carbon Composite soleSidi Heel CupReplaceable heel padUpper: Politex eco-friendly3-bolt cleat compatibleBuy Sidi Shoes from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Women's Alba 2 Road ShoesA carbon composite sole, precise and easy fit adjustment and a super-durable but supple upper all make the Sidi Women's Alba 2 Road Shoes a fabulous choice for any level of bike rider. The slimmer, women's specific fit also offers wonderful comfort as you push on the pedals. The Women's Alba 2 Road Shoes are an excellent introduction to Sidi's world of high-performance, comfortable and durable road riding shoes. They boast a supple but tough upper made from a material called 'Politex'. This material gives the shoe a snug and comfortable fit while resisting rips, abrasions, stretching and fading. They're a shoe you'll enjoy wearing season after season after season.Comfort is also optimised thanks to the easy adjustment of the fit. This adjustment is via Soft Instep Closure 3 system and dual strap closures. A wide EVA thermo-formed padded strap wraps across the top of the foot and is adjustable on both inner and outer sides for a perfect fit every time you ride. The two lower straps then give easy adjustment of pressure, even on the go. Millennium 4 Carbon Composite SoleYou've trained hard to get fit so why waste your power through a soft sole unit. Injected carbon fibre in a Nylon matrix gives the Millennium 4 Carbon Composite Sole the ideal balance of stiffness, durability and affordability. More rigid than a standard sole, it allows you to get the power to your pedals with optimal efficiency and the carbon fibres also ensure it's less susceptible to a change in performance over the lifetime of your shoes. The anti-slip toe insert and replaceable polyurethane heel pad give you sure-footed non-slip confidence at the cafe stop.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:Please Note: Sidi recommend purchasing one whole size up from your usual fitWomen's specific fit - Narrower across the ball of the foot - Less volume, on the instep area and a narrower heel cupSoft Instep Closure 3Tecno 3 dial adjusterDual-strap lower adjustmentMillennium 4 Carbon Composite soleSidi Heel CupReplaceable heel padUpper: Politex eco-friendly3-bolt cleat compatibleBuy Sidi Shoes from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Women's Alba 2 Road ShoesA carbon composite sole, precise and easy fit adjustment and a super-durable but supple upper all make the Sidi Women's Alba 2 Road Shoes a fabulous choice for any level of bike rider. The slimmer, women's specific fit also offers wonderful comfort as you push on the pedals. The Women's Alba 2 Road Shoes are an excellent introduction to Sidi's world of high-performance, comfortable and durable road riding shoes. They boast a supple but tough upper made from a material called 'Politex'. This material gives the shoe a snug and comfortable fit while resisting rips, abrasions, stretching and fading. They're a shoe you'll enjoy wearing season after season after season.Comfort is also optimised thanks to the easy adjustment of the fit. This adjustment is via Soft Instep Closure 3 system and dual strap closures. A wide EVA thermo-formed padded strap wraps across the top of the foot and is adjustable on both inner and outer sides for a perfect fit every time you ride. The two lower straps then give easy adjustment of pressure, even on the go. Millennium 4 Carbon Composite SoleYou've trained hard to get fit so why waste your power through a soft sole unit. Injected carbon fibre in a Nylon matrix gives the Millennium 4 Carbon Composite Sole the ideal balance of stiffness, durability and affordability. More rigid than a standard sole, it allows you to get the power to your pedals with optimal efficiency and the carbon fibres also ensure it's less susceptible to a change in performance over the lifetime of your shoes. The anti-slip toe insert and replaceable polyurethane heel pad give you sure-footed non-slip confidence at the cafe stop.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:Please Note: Sidi recommend purchasing one whole size up from your usual fitWomen's specific fit - Narrower across the ball of the foot - Less volume, on the instep area and a narrower heel cupSoft Instep Closure 3Tecno 3 dial adjusterDual-strap lower adjustmentMillennium 4 Carbon Composite soleSidi Heel CupReplaceable heel padUpper: Politex eco-friendly3-bolt cleat compatibleBuy Sidi Shoes from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Women's Alba 2 Road ShoesA carbon composite sole, precise and easy fit adjustment and a super-durable but supple upper all make the Sidi Women's Alba 2 Road Shoes a fabulous choice for any level of bike rider. The slimmer, women's specific fit also offers wonderful comfort as you push on the pedals. The Women's Alba 2 Road Shoes are an excellent introduction to Sidi's world of high-performance, comfortable and durable road riding shoes. They boast a supple but tough upper made from a material called 'Politex'. This material gives the shoe a snug and comfortable fit while resisting rips, abrasions, stretching and fading. They're a shoe you'll enjoy wearing season after season after season.Comfort is also optimised thanks to the easy adjustment of the fit. This adjustment is via Soft Instep Closure 3 system and dual strap closures. A wide EVA thermo-formed padded strap wraps across the top of the foot and is adjustable on both inner and outer sides for a perfect fit every time you ride. The two lower straps then give easy adjustment of pressure, even on the go. Millennium 4 Carbon Composite SoleYou've trained hard to get fit so why waste your power through a soft sole unit. Injected carbon fibre in a Nylon matrix gives the Millennium 4 Carbon Composite Sole the ideal balance of stiffness, durability and affordability. More rigid than a standard sole, it allows you to get the power to your pedals with optimal efficiency and the carbon fibres also ensure it's less susceptible to a change in performance over the lifetime of your shoes. The anti-slip toe insert and replaceable polyurethane heel pad give you sure-footed non-slip confidence at the cafe stop.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:Please Note: Sidi recommend purchasing one whole size up from your usual fitWomen's specific fit - Narrower across the ball of the foot - Less volume, on the instep area and a narrower heel cupSoft Instep Closure 3Tecno 3 dial adjusterDual-strap lower adjustmentMillennium 4 Carbon Composite soleSidi Heel CupReplaceable heel padUpper: Politex eco-friendly3-bolt cleat compatibleBuy Sidi Shoes from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Women's Alba 2 Road ShoesA carbon composite sole, precise and easy fit adjustment and a super-durable but supple upper all make the Sidi Women's Alba 2 Road Shoes a fabulous choice for any level of bike rider. The slimmer, women's specific fit also offers wonderful comfort as you push on the pedals. The Women's Alba 2 Road Shoes are an excellent introduction to Sidi's world of high-performance, comfortable and durable road riding shoes. They boast a supple but tough upper made from a material called 'Politex'. This material gives the shoe a snug and comfortable fit while resisting rips, abrasions, stretching and fading. They're a shoe you'll enjoy wearing season after season after season.Comfort is also optimised thanks to the easy adjustment of the fit. This adjustment is via Soft Instep Closure 3 system and dual strap closures. A wide EVA thermo-formed padded strap wraps across the top of the foot and is adjustable on both inner and outer sides for a perfect fit every time you ride. The two lower straps then give easy adjustment of pressure, even on the go. Millennium 4 Carbon Composite SoleYou've trained hard to get fit so why waste your power through a soft sole unit. Injected carbon fibre in a Nylon matrix gives the Millennium 4 Carbon Composite Sole the ideal balance of stiffness, durability and affordability. More rigid than a standard sole, it allows you to get the power to your pedals with optimal efficiency and the carbon fibres also ensure it's less susceptible to a change in performance over the lifetime of your shoes. The anti-slip toe insert and replaceable polyurethane heel pad give you sure-footed non-slip confidence at the cafe stop.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:Please Note: Sidi recommend purchasing one whole size up from your usual fitWomen's specific fit - Narrower across the ball of the foot - Less volume, on the instep area and a narrower heel cupSoft Instep Closure 3Tecno 3 dial adjusterDual-strap lower adjustmentMillennium 4 Carbon Composite soleSidi Heel CupReplaceable heel padUpper: Politex eco-friendly3-bolt cleat compatibleBuy Sidi Shoes from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Women's Alba 2 Road ShoesA carbon composite sole, precise and easy fit adjustment and a super-durable but supple upper all make the Sidi Women's Alba 2 Road Shoes a fabulous choice for any level of bike rider. The slimmer, women's specific fit also offers wonderful comfort as you push on the pedals. The Women's Alba 2 Road Shoes are an excellent introduction to Sidi's world of high-performance, comfortable and durable road riding shoes. They boast a supple but tough upper made from a material called 'Politex'. This material gives the shoe a snug and comfortable fit while resisting rips, abrasions, stretching and fading. They're a shoe you'll enjoy wearing season after season after season.Comfort is also optimised thanks to the easy adjustment of the fit. This adjustment is via Soft Instep Closure 3 system and dual strap closures. A wide EVA thermo-formed padded strap wraps across the top of the foot and is adjustable on both inner and outer sides for a perfect fit every time you ride. The two lower straps then give easy adjustment of pressure, even on the go. Millennium 4 Carbon Composite SoleYou've trained hard to get fit so why waste your power through a soft sole unit. Injected carbon fibre in a Nylon matrix gives the Millennium 4 Carbon Composite Sole the ideal balance of stiffness, durability and affordability. More rigid than a standard sole, it allows you to get the power to your pedals with optimal efficiency and the carbon fibres also ensure it's less susceptible to a change in performance over the lifetime of your shoes. The anti-slip toe insert and replaceable polyurethane heel pad give you sure-footed non-slip confidence at the cafe stop.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:Please Note: Sidi recommend purchasing one whole size up from your usual fitWomen's specific fit - Narrower across the ball of the foot - Less volume, on the instep area and a narrower heel cupSoft Instep Closure 3Tecno 3 dial adjusterDual-strap lower adjustmentMillennium 4 Carbon Composite soleSidi Heel CupReplaceable heel padUpper: Politex eco-friendly3-bolt cleat compatibleBuy Sidi Shoes from Chain Reaction Cycles, the World's Largest Online Bike Store.
Whether you enjoy training and racing or ride purely to enjoy the scenery, the Women's Alba 2 Road Shoes give you the comfort and durability you'd expect from Sidi but at a more accessible price point. The upper is made from an advanced and eco-friendly material called 'Politex'. This gives a supple and comfortable fit and, thanks to its unique construction, is highly resistant to ripping, abrasions, stretching and fading. The Alba shoes are truly built to last. Getting the right fit is essential to cycling comfort and here you'll find the combination of Soft Instep Closure 3 system and dual strap adjustment is perfect. The Instep Closure 3 system features a wide, EVA thermo-formed padded strap which spreads pressure evenly over the instep for optimal comfort levels. Adjustment is then available on both sides of the foot to guarantee you can effortlessly dial in comfort and foot-hold to precisely how you like it, even on the go. No fuss. Just twist and go. Millennium 4 Carbon Composite Sole You've trained hard to get fit so why waste your power through a soft sole unit. Injected carbon fibre in a Nylon matrix gives the Millennium 4 Carbon Composite Sole the ideal balance of stiffness, durability and affordability. More rigid than a standard sole, it allows you to get the power to your pedals with optimal efficiency and the carbon fibres also ensure it's less susceptible to a change in performance over the lifetime of your shoes. The anti-slip toe insert and replaceable polyurethane heel pad give you sure-footed non-slip confidence in the cafe stop. Cleat Guidance These 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.
Sidi Women's T-5 Air Triathlon ShoesPush your triathlon performance to new heights with the help of the Sidi Women's T-5 Air Triathlon Shoes. The stiff sole makes for super-efficient power transfer, while wide opening and straps make for super-rapid transitions. A great Triathlon specific cycling shoe must be quick to get into and deliver comfort and outstanding pedalling efficiency for both short course events right through to Ironman biking distances. The Women's T-5 Air Triathlon Shoes deliver exactly that. Immediate comfort comes by the way of the advanced and eco-friendly upper material - 'Politex'. This material gives you a supple and comfortable fit and, thanks to its unique construction, is highly resistant to ripping, abrasions, stretching and fading. It's the perfect choice to keep the shoes in perfect condition for all your training and triathlon racing needs.For lightning-quick transitions, the Women's T-5s feature a wide foot opening that's quickly adjusted to your preference via the dual strap system. The heel loop makes it impressively easy to get your foot in place too, even on the go, letting you get a jump on your competitors. With the Sidi heel cup, you'll also enjoy a solid and stable pedalling platform with your foot held in just the right position even during longer events.12 Carbon Composite SoleOnce you're on the bike, the 12 Carbon Composite Sole provides instantaneous power transfer, getting you up to speed with optimal efficiency. The blend of nylon and carbon fibre gives a sole that is both rigid and lightweight letting you maintain your speed without power loss. The carbon fibres also ensure the stiffness rating won't degrade over time or be affected by heat or humidity. A performance sole unit engineered to last and last.Cleat GuidanceThese Tri 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:Please Note: Sidi recommend purchasing one whole size up from your usual fitDual-strap adjustment12 Carbon Composite soleSidi Heel CupReplaceable heel padPull tab on heelUpper: Politex eco-friendly3-bolt cleat compatibleBuy Sidi Shoes from Chain Reaction Cycles, the World's Largest Online Bike Store.