BSA B50 4 Speed Gearbox

For all our products see our full product list

Supplied as a complete assembly with selector forks, (requires only shaft support bearings).  As standard we supply a mainshaft designed to accept the NEB clutch and is designed with an outrigger bearing arrangement for additional support. We also have a standard tapered mainshaft available on request.



Nova Race Gearset Ratios >
1st 15 - 20 1.833:1
} 28.6%
} 14.9%
} 10.2%
2nd 21 - 20 1.309:1
3rd 21 - 17 1.113:1
4th 22 - 16 1.000:1
 
Overall reduction 1st - 4th 45.5%
BSA Standard Ratios >
1st 2.650:1
} 38.1%
} 24.4%
} 19.4%
2nd 1.640:1
3rd 1.240:1
4th 1.000:1
 
Overall reduction 1st - 4th 62.3%

BSA B50 4 Speed Gearbox

Price £1325.00

+VAT (if applicable) & Carriage

Availability: Call

BSA B44 & B50 Standard Replacement Selector Forks

 

Billet machined selector forks which fit the BSA B25, B44 and B50 engines.  Made from EN36 steel and then Tufftrided to give a tough and durable finish. 



BSA B44 & B50 Standard Replacement Selector Forks

Price £75 .00 each

+VAT (if applicable) & Carriage

Availability: Call