ZEE FC-M645 Crankset
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When it comes to bang for the buck, Shimano's Zee components — like this 83mm bottom bracket-compatible Zee FC-M645 Crankset — are hard to beat. Thick-walled aluminum construction with a reinforced steel axle ensures flex and failure are absent from gravity-fueled runs.
These two-piece cranks are 10-speed only and come with a 36t chainring. For added durability, Shimano gives the Zee cranks steel pedal inserts. The drive-side arm has a 104mm BCD, and it uses alloy chainring bolts. Shimano's Zee FC-M645 does not include a bottom bracket, and it comes in three lengths: 165, 170, and 175mm.
Details
- Item #SHI002B
- Arm Material
- aluminum
- Arm Length
- 165 mm 170 mm, 175 mm
- Chainring Sizes
- 36 t
- Bolt Circle Diameter
- 104 mm
- Bottom Bracket
- not included
- BB Type
- external, press fit
- Bolts
- alloy
- Rings
- 1
- Spindle
- steel
- Compatible Components
- 83mm BB shell
- Recommended Use
- cycling
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