Gearbox Shafts (Gear Clusters)

MADE IN ENGLAND
CNC Machined, Gear Cut and Shaved to full EN36 Original Spec.

Also see Bearings, Gearbox Sprockets

Triumph and BSA Twins and Triples, 5 Speed Gears

Ref Number
(See Above)
Part # Description
3 57-4779 Mainshaft high gear
6 57-4370 Gearbox Mainshaft
T150/T160/R3/X75
6 57-4432
57-7077
Gearbox Mainshaft
Triumph T140
8 57-4376 Mainshaft 4th gear
9 57-4377 Mainshaft 3rd gear
11 57-4653 Mainshaft 1st & 2nd Gear
14 57-4787 Layshaft 4th gear
15 57-4647 Layshaft 3rd gear
16 57-4657 Layshaft 2nd gear
18 57-4654 layshaft 1st gear
12 57-4900 Layshaft assy c/w high and 4th gear
12a 57-4901 Layshaft bare

PS170 4 speed Gear Cluster Ass, Wide Ratio to suit 650 Pre Unit and Unit

Many More Available…

Other Gears/Pinions

Part # Description Photo
41-3063 24T Mainshaft 3rd Gear (Spinning) BSA B25/B50/TR25W etc. BSA B25/B50 24 tooth Mainshaft 3rd Gear

 
Gearbox Selector Forks

Many more available.

Part # Description
57-1480 Gearbox Selector Fork,
Mainshaft, Triumph 3TA/5TA/T100/TR5T
57-1481 Gearbox Selector Fork,
Layshaft, Triumph 3TA/5TA/T100/TR5T
57-4364 Gearbox Selector Fork,
Mainshaft 4th, Triumph T140/T150/T160
57-4366 Gearbox Selector Fork,
Layshaft 3rd, Triumph T140/T150/T160
57-4660 Gearbox Selector Fork,
Layshaft 1st, Triumph T140/T150/T160

Cam Plates

Many more available…

Part # Description Photo
40-3038 Gearbox Camplate –
BSA C15/B40 1959-64
 
40-3294 Gearbox Camplate (Marked T)
BSA C15/B40/B25/B44 – 1969
 
57-1066 Gearbox Camplate –
Does not include indicator rod
Triumph T15/T20
 
57-1458 Gearbox Camplate – Triumph T100/5TA/3TA 1959-63
57-1768 Gearbox Camplate – Triumph T100/5TA/3TA 1963-70
57-4026 Gearbox Camplate –
BSA A65
67-3332 Gearbox Camplate –
BSA A7/A10/B31/B33 Goldstar Roadtrim