Interloc QB55 JIS Bottom Bracket

Black Mountain Bicycles Verified independent store

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High quality sealed cartridge bearings with steel cups Traditional square JIS 2-degree taper crank arm interface 68mm English (BC1.37 x 24tpi - RH/LH) Made in Japan Model QB55 Spin dle Interface JIS Square Shell BSA Shell ID 33.6mmx24tpi Width 68mm Spindle Length 103mm, 107mm, 110mm, 113mm, 115mm, 118mm, 122mm, 127.5mm Show more