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

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

SKU: CR2209