IRD QB-75 Bottom Bracket
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.