Crank: 170mm. Aluminum alloy forged in one piece. CNC machining ensures that the 4 jaws are on the same level. The inner tooth four-claw structure is more beautiful after assembly
Chainring: Aluminum alloy 7075 CNC machined, Wide and narrow tooth design to prevent chain drop. 96BCD, Single speed round chainring, 34T and 36T.
Axle: 24*24mm, 10-key type. Made of chrome-molybdenum steel, with aluminum alloy crank screw. Compatible with: Single Chainring 8-12 speed crank
Bottom Bracket: 68-73mm Threaded Type Crankset Bearing BB91 BC1.37 * 24T suitable for 68-73mm bottom bracket MTB, Road bike
BOLANY COMPANY NEW RELEASE: BOLANY has provided cyclists around the world with satisfactory forks and cassettes over the past few years.Now, BOLANY will release its own bike crankset to provide a more comprehensive BOLANY bike accessories. At the same time, BOLANY will maintain excellent customer service. Feel free to contact them if you have any questions