- 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)

- IRD conversion cups for 73mm, Italian, French and Swiss frame threading sold separately, use RD-419*

- Made in Japan

Interloc Racing Design QB55 cartridge BB, JIS - 68x113mm



- 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)
- IRD conversion cups for 73mm, Italian, French and Swiss frame threading sold separately, use RD-419*
- Made in Japan

Product Details

Manufacturer Interloc Racing Design
Manufacturer Part Number 28834

136629-Q0-L18D07