Brake Shoes BSA A10 8". Half width hub
Gold Star - early Gold Star - Single side hub
Half width hub
Single Sided Hub
cam pad width 1"
Shoe width 35mm
M-Mod. 500/600 cc 1949-1958 M20 M21 M33
B33 1949-1955
These brake shoes are fitted to alloy brake plate mod.
1mm Oversize = 5mm
Gearbox Sprocket Rigid/Plunger 17T. BSA B31/B33
Rigid & Plunger 1946-57
with oil seal
Please see measurements last picture or technical data
Chain 5/8 x 1/4 110-054-.. (520)
1949 to 1958
M20 500 S.V. 1949-1956
M21 600 S.V 1949-1958
M33 500 O.H.V 1949-1957
Made in England
Triumph Abutment T90-T140
650cc 1967
BSA: A50-A65
Please note, if cases have been changed, it could fit other years
Outer thread 16 TPI
Inner Thread 5/16 UNF 22 TPI