IRD QB55 Square Taper Cartridge Bottom Bracket

$39.99
Availability: In stock (1)

Mass market square taper bottom brackets ain't what they used to be. Since Shimano stopped making the trusty old UN-55, these IRD Quad square taper bottom brackets have been our go-to square taper bottom bracket for mashers, winter riders, and people who seem to chew through bottom brackets quicker than they used to. 

Steel cups, aluminum sleeve

– English Threads 

– Sealed cartridge bearings

– JIS square taper

– CrMo spindle

– Made in Japan

0 stars based on 0 reviews