Origin8 Classic Road Caliper Rear Black 39-49mm Weight F/R-64/28g Rear Derailleur Aluminum Inner Cage

Rear Derailleur Aluminum Inner Cage Rival XPLR AXS E1 Including Stainless Steel Screws

Side flap opening Double metal strap mounting with optional rubberized velcro-straps

Forged AL6061-T6 alloy construction

Sold in pairs for 3/8` or 14mm axles in various offset sizes

Front/Rear FT Cassette Body/Freehub Hole Count 32H Spacing/Axle QR Material Alloy Color Sil Weight Brake Type RIM Spacing 100 PCD-L PCD-R LTF-L LTF-R CTF-L CTF-R

Origin8 Classic Road Caliper Rear Black 39-49mm Weight F/R-64/28g Rear Derailleur Aluminum Inner CageDual pivot design. Forged AL6061 T6 alloy construction. Recessed nut. 165g each. Shimano equivalent BR R451 TECH SPECS Vendor Origin8 Manufacture Number Model Name Classic Road Caliper Category Brakes