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 ourcatalogue using part numbers

Please also seeClutch Drums,Rear Brake Drums & Sprockets andRenolds 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

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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

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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″x1/4″ 19 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
67-3055

Engine Sprocket

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16 BSA A7/A10/B31/B32/B33/B34
67-3068

Engine Sprocket

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17 BSA A7/A10/B31/B32/B33/B34
67-3064

Engine Sprocket

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18 BSA A7/A10/B31/B32/B33/B34
67-3065

Engine Sprocket

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19 BSA A7/A10/B31/B32/B33/B34
67-3065/20

Engine Sprocket

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20 BSA A7/A10/B31/B32/B33/B34
67-3065

Engine Sprocket

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21 BSA A7/A10/B31/B32/B33/B34
68-0205

Engine Sprocket (Genuine)

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28 BSA A50/A65/A70
68-3072

Gearbox Sprocket (Genuine)
5/8″x3/8″

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17 BSA A50/A65/A70
68-3073

Gearbox Sprocket
5/8″x3/8″

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20 BSA A50/A65/A70
68-3078

Gearbox Sprocket
5/8″x3/8″

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19 BSA A50/A65/A70
68-3089

Gearbox Sprocket
5/8″x3/8″

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21 BSA A50/A65/A70
68-3089/22

Gearbox Sprocket
5/8″x3/8″

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22 BSA A50/A65/A70
68-3093

Gearbox Sprocket
5/8″x3/8″

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18 BSA A50/A65/A70
70-6890 Engine Sprocket 28 BSA R3
71-1634

Engine Sprocket

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28 BSA B50
SPR-C15- Gearbox Sprocket, 1/2″x5/16″ Chain 11-19 BSA C15/B40
SPR-B25

Gearbox Sprocket, 5/8″x1/4″ Chain

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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
57-1081/16T Gearbox Sprocket
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16 Triumph T15 Terrier / T20 Tiger Cub
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