NEW Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread Together Bottom Bracket, Black

Machined 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