IRD QB-55 Bottom Bracket

39.99 39.99 USD

34.99

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Width: 68mm BB width


Note: Only items that are in stock can be added
to cart. Please call us at 800-245-9959 to get
inventory update or to place on backorder.

– Steel cups, aluminum sleeve

– English Threads 

– Sealed cartridge bearings

– JIS square taper

– CrMo spindle

– Made in Japan

If you plan to swap in IRD Italian/French conversion cups, it is more economical to buy the QB-55, than the QB-75.