QB-75 Quad Bottom Bracket

All the squares out now are mostly cheap stuff you wouldn't dream of using on your 1995 Dura-Ace crank. IRD to the rescue. Made with Japanese quality by Tange Seki.

* QB-75 has alloy cups and body with a plated hollow CrMo spindle
* Sealed cartridge bearings
* Made in Japan by Tange Seki
* Only 240 grams