Shimano Alivio 9 Speed Groupset
Two-piece forged aluminium construction with a smooth and precise shifting performance due to its Hyperdrive technology.
Octalink – an 8-spline interface between bottom bracket and crank arm provide better meshing and power transmission. In conjunction with an Octalink bottom bracket. splines do not deform the crankarm. Therefore it is easy to remove the crank without extreme force.
Crank Construction: Hollowtech crank arm
Cassette Compatibility: 9
Chainring Sizes: 40-30-22T
Bold Circle Diameter: 96mm
Crank Arm Length: 170/175
Crank Arms: OCTALINK
Bottom Bracket: BB-ES25/BB-ES25-E
Chain Line: 50mm
BB Shell Width: 68, 73mm
Speed: 9 Speed
Length: 170mm, 175mm