Balances weight and efficiency without sacrificing stiffness
Rider Tuned performance with numerous gear combinations
Wider gear pitch increases chain clearance with small gearings and allows for 410 mm chain stays on 135 mm O.L.D.
Optimum power transfer
Multiple options provide greater choice
Greater frame compatibility
Average weight: 713,4 g (50-34T) 742,6 g (52-36T) 757,8 g (53-39T)
2-piece crank construction
Integrated crank arm and bottom bracket Increased rigidity with less weight Wider bearing positioning Rigidity is enhanced and pedaling force is efficiently transmitted Precision Bearings Low maintenance and simplified installation
HOLLOWTECH II technology
Providing the best balance of stiffness, strength, weight and rotating performance The concept of HOLLOWTECH II technology is focused on producing a superior crankset which will maximize a rider’s power transfer.
Hollow forged crank arms A lightweight crankset not only reduces the bike’s weight, but decreases rotating mass to aid in acceleration. The challenge is to reduce the weight of the crank without reducing its strength and rigidity. SHIMANO’s advanced forging technology has solved the problem through the HOLLOWTECH crank. Just like high quality frame tubing, a hollow crank arm can provide amazing strength and rigidity at very lightweight.
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