Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread 31637
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Wheels Manufacturing BB30A Frame to Hollowtech II Spindle Outboard Thread 31637
Product Details
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
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