Bb Conv Wmfg Bb30A To Outboard Shi Bk

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

• Bottom Bracket Shell I.D.: 42
• BB/Frame Interface: BB30a
• BB Shell Width (mm): 73
• Weight: 119
• Spindle Interface Type: Shimano Hollowtech II
• Defined Color: Black