*Just Arrived!* New English Made Triumph CEI Rear Axle Nut. Is your Axle Nut worn? or Stripped? Well we have the part that you need! Top Quality Nut that is ready to be fastened! Measures 3/4″ with a thread pitch of 20 TPI (CEI)! Fits many Triumph Unit & Pre-Unit Twins (Bonneville, T120, Tiger, TR6, Etc) from the 1950’s up to 1968 with the “Bolt On” Brake Drum only. Also fits the Triumph Trident T150 from 1968-1970 only (21-0585 / S585). Please refer to your parts catalog for proper fitment.*****Please note that this nut will also fit more Triumph models that are not listed abouve! Not Compatible with the “Quick Detachable” Rear Wheel!*****Made in the UKO.E.M Part number is 82-1747 or F1747