- Prestine External Bottom Bracket - English Thread BC 1.37" X 24tpi - suits 68mm with shims. Suits Shimano Crank Sets.
- Alloy Anodised Cups with Alloy Centre Sleeve and 3 x O-rings.
- Sealed Cartridge Bearings (24mm Shaft) - Weight 110 Grams, made in Taiwan.
|Unit Of Measure||ea|
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