IRD QB-75 Bottom Bracket

47.99 47.99 USD


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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.

– Aluminum cups and aluminum sleeve 

– English Threads 

– JIS square taper CrMo spindle 

– Sealed cartridge bearings

– Average weight: 245g

– 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.