NEW Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket, Black variant-size-73x111 Shimano 105 RD-5701 Rear Derailleurs

Shimano 105 RD-5701 Rear Derailleurs

Approximate +10g in weight compared to the fully CNC version

Inner and outer plate chamfering is designed to engage with chainrings and cassettes quickly and provide smooth shifting

and is supported by stainless

Slots and hook-and-loop simplify bag installation

NEW Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket, Black variant-size-73x111 Shimano 105 RD-5701 Rear DerailleursMachined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear. Replaceable Enduro bearings Made in the USA Defined Color: Black Bottom Bracket Shell I. D.: 42 Spindle Interface Type: Shimano Hollowtech II Weight: 119 BB Shell Width (mm): 73 BB Frame Interface: BB30a