SHIMANO BB-RS501 BSA HOLLOWTECH II BOTTOM BRACKET trek kids 1 x Keeper lock

1 x Keeper lock

1 x Shimano SLX 12-speed Rear Derailleur RD-M7100

Weight: 370 g

2 pcs  high brightness LED

The Shimano PD-GR400 are grippy flat pedals with a trail riding platform shape that feels stable and secure underfoot

SHIMANO BB-RS501 BSA HOLLOWTECH II BOTTOM BRACKET trek kids 1 x Keeper lockThe BB RS501 from Shimano is a high quality bottom bracket for frames to BSA standard with 68 mm housing width. Usable is the Shimano BB RS501I with BSA thread for Hollowtech II cranksets with 24 mm shaft. Specification Use: Road, Cyclocross, City, Gravel Model: BB RS501 BB Type: HOLLOWTECH II (24mm) Threaded: BSA Threaded BB shell width: 68mm Shell diameter: BSA (BC 1. 37) Mounting: screwed Compatibility TIAGRA FC 4700, FC 4703 SORA FC 3550, FC 3503,