BSA B50 4 Speed Gearbox

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Supplied as a complete assembly with selector forks, (requires only shaft support bearings).  The Mainshaft is arranged to accept the NEB clutch and is supplied with an outrigger bearing arrangement for additional support.

 

Available With Superfinish

 

Comparison to Standard BSA B50 4 Speed

 

Nova Race Gearset         Percentage Drop             BSA Standard Box             

1st      15 - 20        1.833:1                                           1st            2.650:1  
                                                 )   28.6%                                                               )        38.1%
2nd     21 - 20        1.309:1                                           2nd           1.640:1 
                                                 )   14.9%                                                               )        24.4%
3rd      21 - 17        1.113:1                                           3rd            1.240:1 
                                                 )   10.2%                                                               )        19.4%
4th      22 - 16        1.000:1                                            4th           1.000:1   
                                 

Overall Reduction 1st – 4th    45.5%                   Overall Reduction 1st – 4th     62.3%

 

Price £995 + VAT (if applicable) & Carriage

 

	Nova BSA B50 4 Speed Gearbox