NEW Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket, Black variant-size-73x111 Z bridge outer plate offers

Z bridge outer plate offers extended compatibility

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

Frame: Vaya triple-butted CroMoly steel

Strap slots help keep bag from moving side to side when installed

NEW Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket, Black variant-size-73x111 Z bridge outer plate offersMachined 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