IRD QB-55 Bottom Bracket

https://www.merrysales.com//web/image/product.template/4058/image_1920?unique=4836a7a
  • Length
  • Width

39.99 39.99 39.99 USD

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Width: 68mm BB width


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– 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.

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