The HollowTech II 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data +/-2% accuracy of strain gauge measured power Bluetooth and ANT+ with wireless firmware update and data acquisition system Easily rechargeable integrated battery with fully waterproof reliable electric system HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load The chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)
The HollowTech II 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data +/-2% accuracy of strain gauge measured power Bluetooth and ANT+ with wireless firmware update and data acquisition system Easily rechargeable integrated battery with fully waterproof reliable electric system HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load The chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)
The HollowTech II 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data +/-2% accuracy of strain gauge measured power Bluetooth and ANT+ with wireless firmware update and data acquisition system Easily rechargeable integrated battery with fully waterproof reliable electric system HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load The chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)
The HollowTech II 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data +/-2% accuracy of strain gauge measured power Bluetooth and ANT+ with wireless firmware update and data acquisition system Easily rechargeable integrated battery with fully waterproof reliable electric system HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load The chainring teeth have been developed to work in conjunction with 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)
Lightweight 12-speed HG+ cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes Hyperglide+ sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear Wide gear range to meet the demands of all types of rider For use with 12-speed chains
Lightweight 12-speed HG+ cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes Hyperglide+ sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear Wide gear range to meet the demands of all types of rider For use with 12-speed chains
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts E-tube STEPS EP8 uses a fully removable individual cable system enabling fine tuning with the correct cable length to each component for easy and tidy fitment EW-SD300 wires use a slim 3.45 mm diameter plug, they can be connected to EW-SD50 wires with the use of EW-AD305 adapter EW-SD300 individual wires are available in varying lengths, there is no need (or facility) to cut these cables Reliable and secure water resistant connectors
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts E-tube STEPS EP8 uses a fully removable individual cable system enabling fine tuning with the correct cable length to each component for easy and tidy fitment EW-SD300 wires use a slim 3.45 mm diameter plug, they can be connected to EW-SD50 wires with the use of EW-AD305 adapter EW-SD300 individual wires are available in varying lengths, there is no need (or facility) to cut these cables Reliable and secure water resistant connectors
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts E-tube STEPS EP8 uses a fully removable individual cable system enabling fine tuning with the correct cable length to each component for easy and tidy fitment EW-SD300 wires use a slim 3.45 mm diameter plug, they can be connected to EW-SD50 wires with the use of EW-AD305 adapter EW-SD300 individual wires are available in varying lengths, there is no need (or facility) to cut these cables Reliable and secure water resistant connectors
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts E-tube STEPS EP8 uses a fully removable individual cable system enabling fine tuning with the correct cable length to each component for easy and tidy fitment EW-SD300 wires use a slim 3.45 mm diameter plug, they can be connected to EW-SD50 wires with the use of EW-AD305 adapter EW-SD300 individual wires are available in varying lengths, there is no need (or facility) to cut these cables Reliable and secure water resistant connectors
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts E-tube STEPS EP8 uses a fully removable individual cable system enabling fine tuning with the correct cable length to each component for easy and tidy fitment EW-SD300 wires use a slim 3.45 mm diameter plug, they can be connected to EW-SD50 wires with the use of EW-AD305 adapter EW-SD300 individual wires are available in varying lengths, there is no need (or facility) to cut these cables Reliable and secure water resistant connectors
The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts E-tube STEPS EP8 uses a fully removable individual cable system enabling fine tuning with the correct cable length to each component for easy and tidy fitment EW-SD300 wires use a slim 3.45 mm diameter plug, they can be connected to EW-SD50 wires with the use of EW-AD305 adapter EW-SD300 individual wires are available in varying lengths, there is no need (or facility) to cut these cables Reliable and secure water resistant connectors