Model Number FC-3550
Series SORA
Crank Construction 2-piece Solid Crank Construction
Chain Compatibility Super Narrow HG for 9-speed (CN-HG53)
Chainring Sets 50-34T/46-34T
Bolt Circle Diameter 110mm
Crank Arm Length 165,170,175mm
Bottom Bracket SM-BB4600 SM-BB71-41B
Chain Line 43.5mm
