Triumph Rear Sprocket Mounting Bolts & Washers - 500/650/750cc Unit Twins
Set of eight bolts and 'shakeproof' star washers to retain the rear sprocket to the brake drum.
Correct for 500cc models from 1970-1974, 650/750cc twins & triples - 1970 models only.
1/4" UNF - Length UH: 13/16" (20.6mm) part threaded
OEM: 21-2010, S2010, 70-1612, E1612