Retrospec Bicycles Fixed-Gear Crank Single-Speed Road Bicycle Forged Crankset
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Feature
Burly and lightweight three-piece forged crankset for ultimate strength and reliability170mm crank arm length without any overlap of crank arm and chainring bolt
All new crank arm design - much stronger for faster and more aggressive riding
Fits on road, mountain, fixed-gear, BMX, track, and single-speed bikes
Standard Bolt Circle Diameter (BCD): 133