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> Bicycling Catalog > Parts > Bottom Brackets

Bottom Brackets

2 Results
Interloc Racing Design QB55 JIS Bottom Bracket
$33.90

- 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 [more]

Interloc Racing Design Retrofit Bottom Bracket Cups
$21.90

- High quality alloy cups compatible with IRD QB55 bottom brackets (sold separately) - Choose Swiss, French, or Italian bottom bracket thread dimensions - Left cup: right hand thread - Right cup: left hand thread [more]

2 Results