SHIMANO FC-R9100-P Dura-Ace double Power Meter chainset, HollowTech II 52/36T

£1199.99

With several years of development and working closely with professional teams you can expect extreme accuracy from Shimano's first fully integrated power meter HollowTech II 11-speed Dura-Ace chainset
Accurately calibrated strain gauges are integrated inside both left and right crank arms, 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
Hollow outer chainring, giving vast improvements in rigidity and increased weight savings
The hollow outer chainring has essentially removed outer chainring flex, hugely improving shift performance making it precise even under high load
These industry leading HollowTech II cold forged hollow crank arms have evolved to increase rigidity, reduce weight, and improve strength
The teeth have been developed to work only in conjunction with the 11-speed chains for improved contact providing more efficiency and improved power transfer
There is a wide range of chainring ratios and crank arm lengths available enabling customisation for all riders and racing disciplines
HollowTech II integrated bottom bracket design uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency
Bottom bracket seal design has a minimal bearing interface gives superbly smooth rolling and increased durability

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Orders within the UK

If your item is in stock, we will do our best to despatch your order the day you place it. In busy times we tell you how long it will take us to process it.

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Options	52 / 36 teeth 170 mm Black Out of stock 52 / 36 teeth 172.5 mm Black Out of stock 52 / 36 teeth 175 mm Black Out of stock

As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.