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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Includes Flattop PowerLock
It works with all commercially available MTB and E-MTB drivetrains from Shimano to Box to Sunrace
All steel cogs
Premium low-viscosity formula resists freezing to work in environments as cold as -20° F (-28° C)
Cubiertas extremadamente duraderos y de alto rendimiento para el entrenamiento
Shimano BB-RS501 Hollowtech II English Bottom Bracket tarainer Includes Flattop PowerLockThe Shimano BB RS501 bottom bracket features an enhanced seal construction to provide long lasting performance and service life. Designed for a perfect fit with Hollowtech II 24mm crank spindles Anodized aluminum cups are high strength and light weight For use with English thread bottom bracket frames
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