One-piece bottom bracket cup set for SMALLER AMERICAN BOTTOM BRACKET for kids bikes.
- Bearings included
- Fits smaller american juvenile/youth sized BB
- Shell: 65mm (Small)
- Interface: 24 tpi
- Spindle Type: OPC
- Cup Material: Steel Sil
- Weight: 173g
- Cup Type: Press Fit
- Cup OD/Bearing OD: 43mm
Product Code: 21541