Interloc Racing Design QB55 JIS Bottom Bracket

Interloc Racing Design QB55 JIS Bottom Bracket
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Details

- High quality sealed cartridge bearings with steel cups
- Traditional square JIS 2-degree taper crank-arm interface
- 68/73mm English (BC1.37 x 24tpi - RH/LH). Compatible with IRD retrofit cups (sold separately), RD-419

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