The thick-wall aluminum construction and reinforced steel axle create added stiffness in the Zee two-piece cranks.
  • pretty_bullet.png Strong solid 2pcs-crank arm
  • pretty_bullet.png Strong steel axle
  • pretty_bullet.png Steel pedal insert
  • pretty_bullet.png 83mmBottom Bracket compatible
  • pretty_bullet.png Pressfit Bottom Bracket compatible

Product Specs

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Model Number FC-M645
Series ZEE
Cassette Compatibility 10
Chain Compatibility HG-X 10-speed
4-Arm Chainrings Yes
Crank Arm Length 165,170,175mm
Chain Guard No
Chaincase Compatible No
Bottom Bracket SM-BB51 SM-BB71-41C
Chain Line 57.9mm