The Imperial's Synchwire upper features BOA® IP1 dials and soft lace guides, which allow you to adjust your fit on the fly while reaping the benefits of the shoes light weight. Thermal-welded Teijin® TPU adds structural support exactly where it's needed, and a high-modulus Easton® EC90 SLX2 carbon fiber plate provides ultimate stiffness-to-weight for power transfer. Our adjustable Super Natural Fit footbed system is the final touch, allowing you to customize arch support right out of the box for luxurious comfort and optimal pedaling efficiency.
To make a minimalist shoe that retains the supportive structure of the legendary Empire while advancing the style, we started with a one-piece ultralight monofilament Synchwire mesh upper designed around a classic laced closure to fit and feel like a second skin. Thermal-welded Teijin® TPU adds structural support exactly where it's needed, and a high-modulus Easton® EC90™ SLX2 carbon fiber plate provides ultimate stiffnessto-weight for power transfer. Our adjustable Super Natural Fit footbed system is the final touch, allowing you to customize arch support right out of the box for luxurious comfort and optimal pedaling efficiency.
Key Features: 360° surround upper provides enhanced instep rigidity and achieves a true glove-like fit,Refined Dynalast™ to expand fit and comfort, Combination of non-stretch Kuraray Rovenica, Teijin Nanofront and PU laminated mesh ensures optimal foot stabilisation to minimise energy loss, New heel-cup construction optimizes efficiency by enhancing heel torsional rigidity, coupled with glass-fiber reinforced heel stabiliser, Deeper cup-shaped carbon mid-sole, Dual new BOA® Li2 dials – lower profile, twoway adjustability,Refined fit and comfort with 360° surround wrap and ‘Function Specific Zones’,Optimal pedalling power-transfer with reinvented mid-sole and heel-cup construction.
Sidi Shot 2 Road Cycling ShoesRe-designed from the ground up, the Sidi Shot 2 Road Cycling Shoes offer race-winning power-transfer and the ease of adjustment needed for all-day riding comfort. If you race and train regularly, they're the ultimate cycling shoes. The team at Sidi haven't taken the original Shot and simply evolved it. Instead, they've started from scratch, with improvements across made across the whole shoe to ensure you're wasting no energy in pursuit of your cycling goals. It starts with the durable microfibre upper. While tough enough for regular use it's supple too, giving you instant comfort.Then there's the carbon fibre sole. Uncompromising rigidity gets all your power to the pedals, delivering race-winning attacks and goal-smashing training numbers in training. C-Boost SRS Carbon SoleDesigned to deliver uncompromising performance, this carbon sole has a carefully engineered shape and a carbon lay-up that delivers direct power transfer, leading to lightning-quick acceleration and rival-dropping pedal strokes. Cleat extension has been increased ± 5 mm to allow for more cleat adjustment while the millimetre scale allows you to get the right position every time you replace your cleats. SRS (Sole Replacement System)The SRS sole features replaceable inserts in Nylon and TPU. These inserts provide protection of the carbon sole in the areas most prone to wear and damage and boosts durability and grip when you're walking. Ventilation holes are fully integrated too, ensuring excellent air circulation during every pedal stroke. Double-Techno-3 Push Flex SystemWith the Double-Techno-3 Push Flex System, Sidi have created a quick and easy adjustment system that is also engineered to eliminate pressure across the instep. Being positioned centrally, you'll also benefit from more even closure pressure between inner and outer sides of the shoe, securing your foot for an incredibly stable pedal stroke. Micro-adjustment and easy release make this a system you can use easily on the go too - tighten up for the sprint - loosen up when it's hot. Reflex Adjustable Heel Retention DeviceEnsuring there's no heel slippage and as a result, no loss of pedalling efficiency or discomfort, the Reflex adjustable heel retention device is easily adjusted to suit your foot shape and preference. Sprinting, climbing or driving the peloton, enjoy firm foot-hold. 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:Microfibre fabric upperDouble Tecno-3 Push Flex rotor closing systemReflex adjustable heel retention deviceIntegrated heel cupComfort fit insoleC-BOOST SRS carbon fibre soleReplaceable sole insertsIncreased cleat adjustment3-bolt cleat compatible (Cleats not supplied)Buy Sidi Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Shot 2 Road Cycling ShoesRe-designed from the ground up, the Sidi Shot 2 Road Cycling Shoes offer race-winning power-transfer and the ease of adjustment needed for all-day riding comfort. If you race and train regularly, they're the ultimate cycling shoes. The team at Sidi haven't taken the original Shot and simply evolved it. Instead, they've started from scratch, with improvements across made across the whole shoe to ensure you're wasting no energy in pursuit of your cycling goals. It starts with the durable microfibre upper. While tough enough for regular use it's supple too, giving you instant comfort.Then there's the carbon fibre sole. Uncompromising rigidity gets all your power to the pedals, delivering race-winning attacks and goal-smashing training numbers in training. C-Boost SRS Carbon SoleDesigned to deliver uncompromising performance, this carbon sole has a carefully engineered shape and a carbon lay-up that delivers direct power transfer, leading to lightning-quick acceleration and rival-dropping pedal strokes. Cleat extension has been increased ± 5 mm to allow for more cleat adjustment while the millimetre scale allows you to get the right position every time you replace your cleats. SRS (Sole Replacement System)The SRS sole features replaceable inserts in Nylon and TPU. These inserts provide protection of the carbon sole in the areas most prone to wear and damage and boosts durability and grip when you're walking. Ventilation holes are fully integrated too, ensuring excellent air circulation during every pedal stroke. Double-Techno-3 Push Flex SystemWith the Double-Techno-3 Push Flex System, Sidi have created a quick and easy adjustment system that is also engineered to eliminate pressure across the instep. Being positioned centrally, you'll also benefit from more even closure pressure between inner and outer sides of the shoe, securing your foot for an incredibly stable pedal stroke. Micro-adjustment and easy release make this a system you can use easily on the go too - tighten up for the sprint - loosen up when it's hot. Reflex Adjustable Heel Retention DeviceEnsuring there's no heel slippage and as a result, no loss of pedalling efficiency or discomfort, the Reflex adjustable heel retention device is easily adjusted to suit your foot shape and preference. Sprinting, climbing or driving the peloton, enjoy firm foot-hold. 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:Microfibre fabric upperDouble Tecno-3 Push Flex rotor closing systemReflex adjustable heel retention deviceIntegrated heel cupComfort fit insoleC-BOOST SRS carbon fibre soleReplaceable sole insertsIncreased cleat adjustment3-bolt cleat compatible (Cleats not supplied)Buy Sidi Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Shot 2 Road Cycling ShoesRe-designed from the ground up, the Sidi Shot 2 Road Cycling Shoes offer race-winning power-transfer and the ease of adjustment needed for all-day riding comfort. If you race and train regularly, they're the ultimate cycling shoes. The team at Sidi haven't taken the original Shot and simply evolved it. Instead, they've started from scratch, with improvements across made across the whole shoe to ensure you're wasting no energy in pursuit of your cycling goals. It starts with the durable microfibre upper. While tough enough for regular use it's supple too, giving you instant comfort.Then there's the carbon fibre sole. Uncompromising rigidity gets all your power to the pedals, delivering race-winning attacks and goal-smashing training numbers in training. C-Boost SRS Carbon SoleDesigned to deliver uncompromising performance, this carbon sole has a carefully engineered shape and a carbon lay-up that delivers direct power transfer, leading to lightning-quick acceleration and rival-dropping pedal strokes. Cleat extension has been increased ± 5 mm to allow for more cleat adjustment while the millimetre scale allows you to get the right position every time you replace your cleats. SRS (Sole Replacement System)The SRS sole features replaceable inserts in Nylon and TPU. These inserts provide protection of the carbon sole in the areas most prone to wear and damage and boosts durability and grip when you're walking. Ventilation holes are fully integrated too, ensuring excellent air circulation during every pedal stroke. Double-Techno-3 Push Flex SystemWith the Double-Techno-3 Push Flex System, Sidi have created a quick and easy adjustment system that is also engineered to eliminate pressure across the instep. Being positioned centrally, you'll also benefit from more even closure pressure between inner and outer sides of the shoe, securing your foot for an incredibly stable pedal stroke. Micro-adjustment and easy release make this a system you can use easily on the go too - tighten up for the sprint - loosen up when it's hot. Reflex Adjustable Heel Retention DeviceEnsuring there's no heel slippage and as a result, no loss of pedalling efficiency or discomfort, the Reflex adjustable heel retention device is easily adjusted to suit your foot shape and preference. Sprinting, climbing or driving the peloton, enjoy firm foot-hold. 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:Microfibre fabric upperDouble Tecno-3 Push Flex rotor closing systemReflex adjustable heel retention deviceIntegrated heel cupComfort fit insoleC-BOOST SRS carbon fibre soleReplaceable sole insertsIncreased cleat adjustment3-bolt cleat compatible (Cleats not supplied)Buy Sidi Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Shot 2 Road Cycling ShoesRe-designed from the ground up, the Sidi Shot 2 Road Cycling Shoes offer race-winning power-transfer and the ease of adjustment needed for all-day riding comfort. If you race and train regularly, they're the ultimate cycling shoes. The team at Sidi haven't taken the original Shot and simply evolved it. Instead, they've started from scratch, with improvements across made across the whole shoe to ensure you're wasting no energy in pursuit of your cycling goals. It starts with the durable microfibre upper. While tough enough for regular use it's supple too, giving you instant comfort.Then there's the carbon fibre sole. Uncompromising rigidity gets all your power to the pedals, delivering race-winning attacks and goal-smashing training numbers in training. C-Boost SRS Carbon SoleDesigned to deliver uncompromising performance, this carbon sole has a carefully engineered shape and a carbon lay-up that delivers direct power transfer, leading to lightning-quick acceleration and rival-dropping pedal strokes. Cleat extension has been increased ± 5 mm to allow for more cleat adjustment while the millimetre scale allows you to get the right position every time you replace your cleats. SRS (Sole Replacement System)The SRS sole features replaceable inserts in Nylon and TPU. These inserts provide protection of the carbon sole in the areas most prone to wear and damage and boosts durability and grip when you're walking. Ventilation holes are fully integrated too, ensuring excellent air circulation during every pedal stroke. Double-Techno-3 Push Flex SystemWith the Double-Techno-3 Push Flex System, Sidi have created a quick and easy adjustment system that is also engineered to eliminate pressure across the instep. Being positioned centrally, you'll also benefit from more even closure pressure between inner and outer sides of the shoe, securing your foot for an incredibly stable pedal stroke. Micro-adjustment and easy release make this a system you can use easily on the go too - tighten up for the sprint - loosen up when it's hot. Reflex Adjustable Heel Retention DeviceEnsuring there's no heel slippage and as a result, no loss of pedalling efficiency or discomfort, the Reflex adjustable heel retention device is easily adjusted to suit your foot shape and preference. Sprinting, climbing or driving the peloton, enjoy firm foot-hold. 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:Microfibre fabric upperDouble Tecno-3 Push Flex rotor closing systemReflex adjustable heel retention deviceIntegrated heel cupComfort fit insoleC-BOOST SRS carbon fibre soleReplaceable sole insertsIncreased cleat adjustment3-bolt cleat compatible (Cleats not supplied)Buy Sidi Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Shot 2 Road Cycling ShoesRe-designed from the ground up, the Sidi Shot 2 Road Cycling Shoes offer race-winning power-transfer and the ease of adjustment needed for all-day riding comfort. If you race and train regularly, they're the ultimate cycling shoes. The team at Sidi haven't taken the original Shot and simply evolved it. Instead, they've started from scratch, with improvements across made across the whole shoe to ensure you're wasting no energy in pursuit of your cycling goals. It starts with the durable microfibre upper. While tough enough for regular use it's supple too, giving you instant comfort.Then there's the carbon fibre sole. Uncompromising rigidity gets all your power to the pedals, delivering race-winning attacks and goal-smashing training numbers in training. C-Boost SRS Carbon SoleDesigned to deliver uncompromising performance, this carbon sole has a carefully engineered shape and a carbon lay-up that delivers direct power transfer, leading to lightning-quick acceleration and rival-dropping pedal strokes. Cleat extension has been increased ± 5 mm to allow for more cleat adjustment while the millimetre scale allows you to get the right position every time you replace your cleats. SRS (Sole Replacement System)The SRS sole features replaceable inserts in Nylon and TPU. These inserts provide protection of the carbon sole in the areas most prone to wear and damage and boosts durability and grip when you're walking. Ventilation holes are fully integrated too, ensuring excellent air circulation during every pedal stroke. Double-Techno-3 Push Flex SystemWith the Double-Techno-3 Push Flex System, Sidi have created a quick and easy adjustment system that is also engineered to eliminate pressure across the instep. Being positioned centrally, you'll also benefit from more even closure pressure between inner and outer sides of the shoe, securing your foot for an incredibly stable pedal stroke. Micro-adjustment and easy release make this a system you can use easily on the go too - tighten up for the sprint - loosen up when it's hot. Reflex Adjustable Heel Retention DeviceEnsuring there's no heel slippage and as a result, no loss of pedalling efficiency or discomfort, the Reflex adjustable heel retention device is easily adjusted to suit your foot shape and preference. Sprinting, climbing or driving the peloton, enjoy firm foot-hold. 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:Microfibre fabric upperDouble Tecno-3 Push Flex rotor closing systemReflex adjustable heel retention deviceIntegrated heel cupComfort fit insoleC-BOOST SRS carbon fibre soleReplaceable sole insertsIncreased cleat adjustment3-bolt cleat compatible (Cleats not supplied)Buy Sidi Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Shot 2 Road Cycling ShoesRe-designed from the ground up, the Sidi Shot 2 Road Cycling Shoes offer race-winning power-transfer and the ease of adjustment needed for all-day riding comfort. If you race and train regularly, they're the ultimate cycling shoes. The team at Sidi haven't taken the original Shot and simply evolved it. Instead, they've started from scratch, with improvements across made across the whole shoe to ensure you're wasting no energy in pursuit of your cycling goals. It starts with the durable microfibre upper. While tough enough for regular use it's supple too, giving you instant comfort.Then there's the carbon fibre sole. Uncompromising rigidity gets all your power to the pedals, delivering race-winning attacks and goal-smashing training numbers in training. C-Boost SRS Carbon SoleDesigned to deliver uncompromising performance, this carbon sole has a carefully engineered shape and a carbon lay-up that delivers direct power transfer, leading to lightning-quick acceleration and rival-dropping pedal strokes. Cleat extension has been increased ± 5 mm to allow for more cleat adjustment while the millimetre scale allows you to get the right position every time you replace your cleats. SRS (Sole Replacement System)The SRS sole features replaceable inserts in Nylon and TPU. These inserts provide protection of the carbon sole in the areas most prone to wear and damage and boosts durability and grip when you're walking. Ventilation holes are fully integrated too, ensuring excellent air circulation during every pedal stroke. Double-Techno-3 Push Flex SystemWith the Double-Techno-3 Push Flex System, Sidi have created a quick and easy adjustment system that is also engineered to eliminate pressure across the instep. Being positioned centrally, you'll also benefit from more even closure pressure between inner and outer sides of the shoe, securing your foot for an incredibly stable pedal stroke. Micro-adjustment and easy release make this a system you can use easily on the go too - tighten up for the sprint - loosen up when it's hot. Reflex Adjustable Heel Retention DeviceEnsuring there's no heel slippage and as a result, no loss of pedalling efficiency or discomfort, the Reflex adjustable heel retention device is easily adjusted to suit your foot shape and preference. Sprinting, climbing or driving the peloton, enjoy firm foot-hold. 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:Microfibre fabric upperDouble Tecno-3 Push Flex rotor closing systemReflex adjustable heel retention deviceIntegrated heel cupComfort fit insoleC-BOOST SRS carbon fibre soleReplaceable sole insertsIncreased cleat adjustment3-bolt cleat compatible (Cleats not supplied)Buy Sidi Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Shot 2 Road Cycling ShoesRe-designed from the ground up, the Sidi Shot 2 Road Cycling Shoes offer race-winning power-transfer and the ease of adjustment needed for all-day riding comfort. If you race and train regularly, they're the ultimate cycling shoes. The team at Sidi haven't taken the original Shot and simply evolved it. Instead, they've started from scratch, with improvements across made across the whole shoe to ensure you're wasting no energy in pursuit of your cycling goals. It starts with the durable microfibre upper. While tough enough for regular use it's supple too, giving you instant comfort.Then there's the carbon fibre sole. Uncompromising rigidity gets all your power to the pedals, delivering race-winning attacks and goal-smashing training numbers in training. C-Boost SRS Carbon SoleDesigned to deliver uncompromising performance, this carbon sole has a carefully engineered shape and a carbon lay-up that delivers direct power transfer, leading to lightning-quick acceleration and rival-dropping pedal strokes. Cleat extension has been increased ± 5 mm to allow for more cleat adjustment while the millimetre scale allows you to get the right position every time you replace your cleats. SRS (Sole Replacement System)The SRS sole features replaceable inserts in Nylon and TPU. These inserts provide protection of the carbon sole in the areas most prone to wear and damage and boosts durability and grip when you're walking. Ventilation holes are fully integrated too, ensuring excellent air circulation during every pedal stroke. Double-Techno-3 Push Flex SystemWith the Double-Techno-3 Push Flex System, Sidi have created a quick and easy adjustment system that is also engineered to eliminate pressure across the instep. Being positioned centrally, you'll also benefit from more even closure pressure between inner and outer sides of the shoe, securing your foot for an incredibly stable pedal stroke. Micro-adjustment and easy release make this a system you can use easily on the go too - tighten up for the sprint - loosen up when it's hot. Reflex Adjustable Heel Retention DeviceEnsuring there's no heel slippage and as a result, no loss of pedalling efficiency or discomfort, the Reflex adjustable heel retention device is easily adjusted to suit your foot shape and preference. Sprinting, climbing or driving the peloton, enjoy firm foot-hold. 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:Microfibre fabric upperDouble Tecno-3 Push Flex rotor closing systemReflex adjustable heel retention deviceIntegrated heel cupComfort fit insoleC-BOOST SRS carbon fibre soleReplaceable sole insertsIncreased cleat adjustment3-bolt cleat compatible (Cleats not supplied)Buy Sidi Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Shot 2 Road Cycling ShoesRe-designed from the ground up, the Sidi Shot 2 Road Cycling Shoes offer race-winning power-transfer and the ease of adjustment needed for all-day riding comfort. If you race and train regularly, they're the ultimate cycling shoes. The team at Sidi haven't taken the original Shot and simply evolved it. Instead, they've started from scratch, with improvements across made across the whole shoe to ensure you're wasting no energy in pursuit of your cycling goals. It starts with the durable microfibre upper. While tough enough for regular use it's supple too, giving you instant comfort.Then there's the carbon fibre sole. Uncompromising rigidity gets all your power to the pedals, delivering race-winning attacks and goal-smashing training numbers in training. C-Boost SRS Carbon SoleDesigned to deliver uncompromising performance, this carbon sole has a carefully engineered shape and a carbon lay-up that delivers direct power transfer, leading to lightning-quick acceleration and rival-dropping pedal strokes. Cleat extension has been increased ± 5 mm to allow for more cleat adjustment while the millimetre scale allows you to get the right position every time you replace your cleats. SRS (Sole Replacement System)The SRS sole features replaceable inserts in Nylon and TPU. These inserts provide protection of the carbon sole in the areas most prone to wear and damage and boosts durability and grip when you're walking. Ventilation holes are fully integrated too, ensuring excellent air circulation during every pedal stroke. Double-Techno-3 Push Flex SystemWith the Double-Techno-3 Push Flex System, Sidi have created a quick and easy adjustment system that is also engineered to eliminate pressure across the instep. Being positioned centrally, you'll also benefit from more even closure pressure between inner and outer sides of the shoe, securing your foot for an incredibly stable pedal stroke. Micro-adjustment and easy release make this a system you can use easily on the go too - tighten up for the sprint - loosen up when it's hot. Reflex Adjustable Heel Retention DeviceEnsuring there's no heel slippage and as a result, no loss of pedalling efficiency or discomfort, the Reflex adjustable heel retention device is easily adjusted to suit your foot shape and preference. Sprinting, climbing or driving the peloton, enjoy firm foot-hold. 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:Microfibre fabric upperDouble Tecno-3 Push Flex rotor closing systemReflex adjustable heel retention deviceIntegrated heel cupComfort fit insoleC-BOOST SRS carbon fibre soleReplaceable sole insertsIncreased cleat adjustment3-bolt cleat compatible (Cleats not supplied)Buy Sidi Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.
Sidi Shot 2 Road Cycling ShoesRe-designed from the ground up, the Sidi Shot 2 Road Cycling Shoes offer race-winning power-transfer and the ease of adjustment needed for all-day riding comfort. If you race and train regularly, they're the ultimate cycling shoes. The team at Sidi haven't taken the original Shot and simply evolved it. Instead, they've started from scratch, with improvements across made across the whole shoe to ensure you're wasting no energy in pursuit of your cycling goals. It starts with the durable microfibre upper. While tough enough for regular use it's supple too, giving you instant comfort.Then there's the carbon fibre sole. Uncompromising rigidity gets all your power to the pedals, delivering race-winning attacks and goal-smashing training numbers in training. C-Boost SRS Carbon SoleDesigned to deliver uncompromising performance, this carbon sole has a carefully engineered shape and a carbon lay-up that delivers direct power transfer, leading to lightning-quick acceleration and rival-dropping pedal strokes. Cleat extension has been increased ± 5 mm to allow for more cleat adjustment while the millimetre scale allows you to get the right position every time you replace your cleats. SRS (Sole Replacement System)The SRS sole features replaceable inserts in Nylon and TPU. These inserts provide protection of the carbon sole in the areas most prone to wear and damage and boosts durability and grip when you're walking. Ventilation holes are fully integrated too, ensuring excellent air circulation during every pedal stroke. Double-Techno-3 Push Flex SystemWith the Double-Techno-3 Push Flex System, Sidi have created a quick and easy adjustment system that is also engineered to eliminate pressure across the instep. Being positioned centrally, you'll also benefit from more even closure pressure between inner and outer sides of the shoe, securing your foot for an incredibly stable pedal stroke. Micro-adjustment and easy release make this a system you can use easily on the go too - tighten up for the sprint - loosen up when it's hot. Reflex Adjustable Heel Retention DeviceEnsuring there's no heel slippage and as a result, no loss of pedalling efficiency or discomfort, the Reflex adjustable heel retention device is easily adjusted to suit your foot shape and preference. Sprinting, climbing or driving the peloton, enjoy firm foot-hold. 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:Microfibre fabric upperDouble Tecno-3 Push Flex rotor closing systemReflex adjustable heel retention deviceIntegrated heel cupComfort fit insoleC-BOOST SRS carbon fibre soleReplaceable sole insertsIncreased cleat adjustment3-bolt cleat compatible (Cleats not supplied)Buy Sidi Footwear from Chain Reaction Cycles, the World's Largest Online Bike Store.