Bottom bracket kit - no arms/spindle
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American Bottom bracket kit. For use on frames with American bottom bracket shells.
American/US bottom bracket (silver or black)
Sealed bearings
Includes:
2 cups (silver or black)
2 sealed bearings
1 tube spacer
2 cone washers
7 flat washers
*Crank arms/spindle not included
Which bottom bracket do I need? Our bottom brackets are made for US/American shells; Euro shells can work with adapters. Your shell width sets the spindle size you need.
Spindle sizing: spindle length is determined by BB shell width and rear wheel size — 4″+ rear wheels require an XL spindle. Send measurements or photos and we’ll recommend a size.