Interloc Racing Design QB55 JIS Bottom Bracket.
Features:
- High quality sealed cartridge bearings with steel cups
- Traditional square JIS 2-degree taper crank-arm interface
- 68/73mm English (1.37″ x 24 tpi – RH/LH)
- Made in Japan
Specifications:
Frame Interface: BSA/English Threaded
Spindle Interface: Square Taper JIS
Bottom Bracket Shell ID: 1.37
Shell Width: 68mm
Spindle Lengths: 110mm, 113mm, 115mm, 127.5mm
Material: Steel Cups
Color: Silver
Weight: TBD










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