Bottom Bracket Shell:
- Suitable for welded construction, for example custom made bicycle frames and restorations, indoor ergo bike projects etc
- English Thread Bottom Bracket Shell 1.38 BSC x 68mm x 40mm
- Dimensions: 1.38in BSC x 68mm length x 40mm outside diameter
- Raw machined steel BB shell only (no lugs): Left hand English thread and right hand English thread
- Approx weight 175g
- Made in Taiwan
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