Rear Brake Drums and Sprockets

Please also seeEngine & Gearbox Sprockets andRenolds Chain

All of our sprockets are MADE IN ENGLAND unless stated otherwise.

We also have a wide range of rear hub and drum bearings and brake shoes. Search our Catalogue with part numbers.

Part Number Description Model Photo
B4/463 Rear Brake Drum and Sprocket, 43 Tooth to suit 5/8″ x 1/4″ Chain

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Norton International/ES2/Manx
E2/463 Rear Brake Drum and Sprocket, 43 Tooth to suit 5/8″ x 1/4″ Chain, Rigid (3 stud)

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Norton ES2 / Big 4 / 500T etc Norton Rear Brake Drum Sprocket E2/463
06-0319 Brake Drum and Sprocket, 43 Tooth, to suit 5/8″x3/8″ Chain

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Norton Commando 750 1969-70 06-0319 Brake Drum Sprocket Norton Commando
06-2764 Rear Brake Drum and Sprocket, 42 Tooth, 3 paddle, To Suit 5/8″x3/8″ Chain

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Norton Commando 1971-73 06-2764 Norton Commando Brake Drum Sprocket
06-6011 Rear Brake Drum and Sprocket, 42 Tooth, 5 paddle, To Suit 5/8″x3/8″ Chain

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Norton Commando MK3 1975-77 06-6011 Norton Commando brake drum sprocket
37-0903 Rear Brake Drum Sprocket
46 Tooth, to suit 5/8″x3/8″ Chain
Triumph MK2 Sprung Hub
6T etc
37-1276 Rear Brake Drum Sprocket
43 Tooth, to suit 5/8″x3/8″ ChainBuy Online
  • Triumph 3TA Twenty One 1957-66
  • Triumph 5TA Speed Twin 1957-66
  • Triumph T90 Tiger 1958-66
  • Triumph T100 Unit 1958-66
  • Triumph TRW MK1/MK2/MK3 (Optional)
  • Triumph Unit 6T Thunderbird 1963-66
  • Triumph Unit TR6 Trophy 1963-66
  • Triumph Unit T120 Bonneville 1963-66
  • Triumph Pre Unit 6T Thunderbird 1960-62
  • Triumph Pre Unit T110 Tiger 1960-62
  • Triumph Pre Unit TR6 Trophy 1960-62
  • Triumph Pre Unit T120 Bonneville 1960-62
37-1276 43T Rear Brake Drum Sprocket - Triumph Unit/Pre-Unit 1957-66
37-3585
37-1498
Rear Brake Drum, Non QD Triumph T100/T120/Rocket 3/T150
37-3411 Rear Sprocket, 52 tooth, 8 hole, to suit 5/8″x3/8″ Chain Triumph T150
BSA Rocket 3
37-3741 Rear Sprocket, 52 Tooth, 5 hole, to Suit 5/8″x3/8″ Chain

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BSA B25/B50
Triumph T25
37-3741 Rear Sprocket BSA/Triumph
37-3747 Rear Sprocket, 47 Tooth, to Suit 5/8″x3/8″ Chain

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Conical Triumph TR6/T120/TR7/T140 and BSA A65/A70 37-3747 Rear Sprocket
37-3903 Rear Sprocket (Conical Model), 53 Tooth, to Suit 5/8″x3/8″ Chain Triumph T150/X75
BSA Rocket 3
37-4046 Rear Sprocket, 50 Tooth, to suit 5/8″x3/8″ Chain Triumph T150 Conical
37-7072 Rear Sprocket, 45 Tooth, to suit 5/8″x3/8″ Chain Triumph T140
40-6018 Rear Brake Drum and Sprocket, 45 Tooth, to suit 1/2″ x 5/16″ Chain

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BSA C15 / SS80 1958-67 40-6018 Rear Brake Drum Sprocket 45 Tooth - BSA C15/SS80 1958-67
41-6010 Rear Brake Drum and Sprocket, 46 Tooth, to Suit 1/2″x5/16″ Chain

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BSA B40 / SS90 1961-65 41-6010 Rear Brake Drum Sprocket 46 Tooth - BSA B40/SS90 1961-65
41-6092 Rear Sprocket (10 Bolt), 47 Tooth, to Suit 5/8″x1/4″ Chain BSA B25/B44
42-6018 Rear Brake Drum and Sprocket, 46 Tooth, to Suit 5/8″x3/8″ Chain

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BSA A10 RGS/Gold Star
42-6018/42 Rear Brake Drum & Sprocket, 42 Tooth, to Suit 5/8″x3/8″ Chain

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BSA A10 RGS/Gold Star 42-6018 Brake Drum Sprocket BSA Goldstar
42-6024 Rear Brake Drum and Sprocket, 42 Tooth, To Suit 5/8″x1/4″ Chain BSA B31/B33/Goldstar
42-6069 Rear Sprocket (Ariel Hub), 42 Tooth, to Suit 5/8″x3/8″ Chain

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BSA A7/A10 1956-57 Ariel Hub 42-6069 Rear Wheel Sprocket 42T - BSA A7/A10 1956-57 Ariel Hub
42-6087 Rear Brake Drum and Sprocket, 42 Tooth, To Suit 5/8″x1/4″ Chain

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BSA B31/B33 Ariel Type Hub 1956 42-6087 Rear Sprocket 42T - BSA B31/B33 Ariel Hub 1956
42-6331 Rear Sprocket (Bolt On), 42 Tooth, to Suit 5/8″x3/8″ Chain

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BSA A7/A10 1958-63
BSA A50/A65 1962-65
42-6331 Rear Wheel Sprocket 42T - BSA A7/A10 58-63 A50/A65 62-65
47-6009 Brake Drum and Sprocket, 52 Tooth, To Suit 1/2″ x 5/16″ Chain BSA WDB40
65-6294 Rear Brake Drum Sprocket, 42 Tooth, To Suit 5/8″ x 1/4″ Chain

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BSA Plunger M20/M21/B31/B33 1949-55
66-6107 Rear Brake Drum Sprocket, 42 Tooth, To Suit 5/8″ x 1/4″ Chain

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BSA Rigid
M20/M21/M33 1938-48
66-6107 Rear Brake Drum Sprocket 42T - BSA M20/M21/M33 Rigid
67-6149F Rear Brake Drum and Sprocket, Finned, 42 Tooth to suit 5/8″ x 3/8″ Chain

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BSA A65LC Lightning Clubman
67-6150 Rear Brake Drum and Sprocket, 42 Tooth

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BSA A10 Plunger 1949-57 67-6150 Rear Brake Drum Sprocket 42T - BSA A10 Plunger 1949-57
67-6154 Rear Brake Drum and Sprocket, Finned, 45 Tooth

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BSA A7 Star Twin 1949-57 67-6154 Rear Brake Drum & Sprocket 45T - BSA A7 Star Twin 1949-57
68-6088 Rear Sprocket, 47 Tooth, to Suit 5/8″x3/8″ Chain

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BSA A50/A65 1965-70 68-6088 BSA Rear Sprocket A50/A65
68-6116 7″ Rear Brake Drum

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BSA A50/A65 1967-70 68-6116 7' Rear Brake Drum - BSA A50/A65 1967-70
46971 Rear Brake Drum & Sprocket, 48 Tooth, to suit 1/2″x5/16″ Chain

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Royal Enfield Crusader Sports 1962 46971 48T Sprocket & Drum - Royal Enfield Crusader Sports 250cc