Origin 8 Derailleur Braze on Adaptor 34.9mm BlackThe Origin 8 Derailleur Braze on Adaptor allows you to mount your favorite braze on front derailleur to your favorite frame that doesn’t have a braze on mount. This forged alloy adaptor weighs 27g and clamps on to your frame with a 31.8mm or 34.9mm diameter seat tube. Available in Black.072774262304
