Shimano Dura-Ace FC-9000 Left Crank Arm 172.5mm Hollowtech II Black Wheel Size_16 in The right-side internals are included

The right-side internals are included

high-quality advanced co-polymer material for exceptional knot strength and superior tensile durability

and protection against trail debris

and toe areas to absorb impact and reduce fatigue during long days on the slopes

this bottom bracket complements a wide range of bike aesthetics

Shimano Dura-Ace FC-9000 Left Crank Arm 172.5mm Hollowtech II Black Wheel Size_16 in The right-side internals are includedUpgrade your high performance road bike with the Shimano Dura Ace FC 9000 Left Crank Arm a precision replacement part designed for serious cyclists seeking optimal efficiency and durability. Crafted from lightweight, high strength materials, this 172. 5mm crank arm ensures seamless integration with Shimano Dura Ace cranksets, delivering reliable power transfer on every ride. Constructed with Shimano's innovative Hollowtech II technology, the FC 9000