ZEE FC-M640 曲柄組 - 170mm

Name: ZEE FC-M640 曲柄組 - 170mm
Brand: Switchback Sports | Ski & Bike Shop in Park City
SKU: IMPORT-AD25E0CF
Price: 72.5 USD
Availability: InStock
Rating: 5 (1 reviews)

$72.50

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Shimano ZEE FC-M645/M640 曲柄/五通套裝

厚壁鋁合金結構
強化鋼軸心，剛度比 Trail 系列曲柄選項高 30%
鋼製踏板嵌件
包含 SM-BB52 68/73 五通

5.0

1 條評價

5 1

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Rider_PC

2026-10-14

I put the ZEE FC-M640 Crankset on my downhill bike and it has been rock solid. The thick wall aluminum arms and reinforced steel axle feel noticeably stiffer than the Trail cranks I ran before, and the steel pedal inserts have held up to repeated pedal strikes. The 170mm length works well for my setup, and the included SM-BB52 68/73 bottom bracket made install straightforward. No creaks so far. Good choice if you want a burly crankset without overthinking it.