Quick and easy assembly
Crank length: 170 mm
Teeth: 42x34x24 / 48x38x28
For 8/7/6 gear systems
Bottom bracket width: 68/73 mm
Axle length 122.5 mm
Bottom Bracket Type: Square Cone (sold separately, not included)
SHIMANO founded in 1921 in Japan as an international manufacturer of bicycle components, fishing tackle and rowing equipment. It manufactured golf equipment until 2005 and snowboard equipment until 2008. Shimano's main factories are located in Kunshan, China, Malaysia, and Singapore.