Triumph Unit & Pre-Unit "QD" Rear Wheel Sprocket Brake Drum 37-1040 46T TR6 T120
*Back In-Stock!* New Top Quality Triumph "QD" Quick Detachable Rear Sprocket Drum. This is as good as it gets! Quality is the same as O.E.M. if not better! We use these same hubs on our Triumph's here with Excellent Results! If your Drum or Sprocket is worn beyond use, then this is what you need! Accepts a 5/8" X 3/8" Chain as O.E.M. & has 46 Teeth (Standard on some models)! Fits Triumph 650 Unit Twins (Bonneville, 6T, T120R, Tiger, TR6R, Trophy, Etc) from 1963-1970 with the "QD" Hub. Fits Triumph 500 Unit Twins (Daytona, T100R, T100C, Etc) from 1959 & On with the "QD" Hub. Also fits Triumph Pre-Unit 650 Twins from 1960-1962. Please refer to your parts catalog for proper fitment.
*****Please make sure that you have the "Correct" Triumph "QD" Hub and not the "BSA"
Hub as they are different and will not interchange! Some Triumph Models after 1966 had the "QD" Hub but was optional!*****
•Made by EMGO
•O.E.M Part number is 37-1040 or W1040