Engine & Gearbox Sprockets
ALL of our Sprockets are Made in England unless otherwise stated!The below is just a small selection of our available sprockets. Search our catalogue using part numbers
Please also see Clutch Drums, Rear Brake Drums & Sprockets and Renolds Chain
28 Tooth Engine Sprocket
BSA Engine & Gearbox Sprockets
| Part Number | Description | Teeth | Model |
| 15-1560 | Engine Sprocket (4 Lobe) | 21 | BSA M20/M21/B31/A10 etc |
| 15-1564 | Engine Sprocket (4 Lobe) | 20 | BSA M20/M21/B31/A10 etc |
| 15-1565 | Engine Sprocket (4 Lobe) | 19 | BSA M20/M21/B31/A10 etc |
| 15-1566 | Engine Sprocket (4 Lobe) | 18 | BSA M20/M21/B31/A10 etc |
| 40-0582 | Engine Sprocket | 18 | BSA C15/B25/B40/B44 |
| 40-0210 | Engine Sprocket | 23 | BSA C15/B25/B40/B44 |
| 41-0615 | Engine Sprocket | 28 | BSA C15/B25/B40/B44 |
| 42-0088 | Engine Sprocket | 19 | BSA Alternator Model B31/B33 |
| 42-0089 | Engine Sprocket | 17 | BSA Alternator Model B31/B33 |
| 42-3015 | Gearbox Sprocket, 5/8"x3/8" | 17-19 | BSA B31 Swinging Arm |
| 42-3016 | Gearbox Sprocket, 5/8"x3/8" | 16 | BSA B31 Swinging Arm |
| 45-2774 | Engine Sprocket (2 Lobe) | 22 | BSA A7/A10/B31/B32/B33 etc |
| 45-2775 | Engine Sprocket (2 Lobe) | 24 | BSA A7/A10/B31/B32/B33 etc |
| 45-2776 | Engine Sprocket (2 Lobe) | 19 | BSA A7/A10/B31/B32/B33 etc |
| 65-2536 | Genuine Engine Sprocket (2 Lobe) | 16 | BSA A7/A10/B31/B32/B33 etc |
| 65-2537 | Engine Sprocket (2 Lobe) | 17 | BSA A7/A10/B31/B32/B33 etc |
| 65-2538 | Engine Sprocket (2 Lobe) | 20 | BSA A7/A10/B31/B32/B33 etc |
| 65-2541 | Engine Sprocket (2 Lobe) | 23 | BSA A7/A10/B31/B32/B33 etc |
| 67-1132 | Engine Sprocket (2 Lobe) | 18 | BSA M20/M21 etc |
| 67-1133 | Engine Sprocket (2 Lobe) | 21 | BSA M20/M21 etc |
| 68-0205 | Engine Sprocket | 28 | BSA A50/A65/A70 |
| 68-3072 | Geabox Sprocket (Genuine) 5/8"x3/8" |
17 | BSA A50/A65/A70 |
| 68-3073 | Geabox Sprocket 5/8"x3/8" |
20 | BSA A50/A65/A70 |
| 68-3078 | Geabox Sprocket 5/8"x3/8" |
19 | BSA A50/A65/A70 |
| 68-3089 | Geabox Sprocket 5/8"x3/8" |
21 | BSA A50/A65/A70 |
| 68-3089/22 | Geabox Sprocket 5/8"x3/8" |
22 | BSA A50/A65/A70 |
| 68-3093 | Geabox Sprocket 5/8"x3/8" |
18 | BSA A50/A65/A70 |
| 70-6890 | Engine Sprocket | 28 | BSA R3 |
| 71-1634 | Engine Sprocket |
28 | BSA B50/CCM Spec (Drilled) |
| SPR-C15- | Gearbox Sprocket, 1/2"x5/16" Chain | 11-19 | BSA C15/B40 |
| SPR-B25 | Gearbox Sprocket, 5/8"x1/4" Chain | 11-19 | BSA B25/B40/B44/B50 |
Norton Engine & Gearbox Sprockets
| Part Number | Description | Teeth | Model |
| 04-0010 | Gearbox Sprocket 5/8"x1/4" | 15-25 | Norton Dommie/Model50/ES2etc |
| 04-0451 | Gearbox Sprocket 5/8"x3/8" |
17 | Norton Commando 750/850 |
| 04-0458 | Gearbox Sprocket 5/8"x3/8" |
18 | Norton Commando 750/850 |
| 04-0480 | Gearbox 5/8"X3/8 | 19 | Norton Commando 750/850 |
| 05-0245 | Brake Drum 5/8"X1/4 | 43 | Early Norton Dommie |
| 06-0721 | Gearbox Sprocket 5/8"X3/8 | 21 | Norton Commando 750/850 |
| 06-0759 | Gearbox Sprocket 5/8"X3/8 | 22 | Norton Commando 750/850 |
| 06-0931 | Gearbox Sprocket 5/8"X3/8 | 20 | Norton Commando 750/850 |
| 06-3420 | Gearbox Sprocket 5/8"X3/8 | 23 | Norton Commando 750/850 |
| 06-3421 | Gearbox Sprocket 5/8"X3/8 | 24 | Norton Commando 750/850 |
| 06-3421/25 | Gearbox Sprocket 5/8"X3/8 | 25 | Norton Commando 750/850 |
Triumph Engine & Gearbox Sprockets
| Part Number | Description | Teeth | Model |
| 37-1040 | Rear Wheel Sprocket | 46 | Triumph T100/T120 |
| 70-2826A | Engine Sprocket | 24 | Early Pre Unit Triumph Dynamo Models |
| 70-2826B | Engine Sprocket | 23 | Early Pre Unit Triumph Dynamo Models |
| 70-2826C | Engine Sprocket | 22 | Early Pre Unit Triumph Dynamo Models |
| 70-2826D | Engine Sprocket | 21 | Early Pre Unit Triumph Dynamo Models |
| 70-3108/17 | Engine Sprocket | 17 | Pre Unit Triumph Alternator Models |
| 70-3108/19 | Engine Sprocket | 19 | Pre Unit Triumph Alternator Models |
| 70-3108/21 | Engine Sprocket | 21 | Pre Unit Triumph Alternator Models |
| 70-3108/22 | Engine Sprocket | 22 | Pre Unit Triumph Alternator Models |
| 70-3108/23 | Engine Sprocket | 23 | Pre Unit Triumph Alternator Models |
| 70-3108/24 | Engine Sprocket | 24 | Pre Unit Triumph Alternator Models |
| 70-8319 | Engine Sprocket | 23 | Triumph TR25W/T25 |
| 70-3734 | Engine Sprocket | 26 | Triumph 500/T100 Unit |
| 70-3912 | Engine Sprocket | 19 | Triumph T20 Duplex |
| 70-4141 | Engine Sprocket | 26 | Triumph 500/T100 Unit Energy Transfer |
| 70-5446 | Engine Sprocket | 29 | Triumph T120 1964-69 |
| 70-6890 | Engine Sprocket | 28 | Triumph T150/X75 |
| 71-2662 | Engine Sprocket | 29 | Triumph T120 1971-72 |
| 71-3541 | Engine Sprocket | 23 | Triumph T160 |
| 71-3542 | Engine Sprocket | 29 | Triumph T140 |
| SPR-B25 | Gearbox Sprocket, 5/8"x1/4" Chain | 11-19 | Triumph TR25W/T25etc |
60-4100 Gearbox High Gear Bearing (5
Speed) for Twins and Triples
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