- Track crank, also for use with internal gear hubs such as the Sturmey 3-speed fixed and 2-speed kickback
- Forged 6061 aluminum crank arm/spider with square BB taper
- Includes CNC machined, black anodized 7075 aluminum chainwheel (46 or 48t)
- *BB sold separately: use UR1961 103mm for 42mm chainline, UR1963 107mm for 43.5mm chainline
- 685g with ring
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