BMW S1000RR Close Ratio Race Gearbox

Full six speed close ratio gear set comprising both input and output shafts and all gears. Supplied fully assembled ready for installation.

All engagement dogs are undercut and have three dogs to promote positive and rapid engagement.

All gears are superfinished as standard.

We offer different ratio sets. The 'A' ratio set has the same 3rd-6th ratio as the standard box but with a taller & closer 1st and 2nd gear.

The 'C' ratio set features different ratios throughout, producing an even close ratio gearbox.

Comparison to standard BMW S1000RR Gear Ratios

Standard BMW Gearset % Drop Nova 'C' Ratio Gearbox % Drop

1st 17 - 45 2.647:1 1st 15 - 37 2.467:1
) 21.0% ) 18.9%

2nd 22 - 46 2.091:1 2nd 17 - 34 2.000:1
) 17.4% ) 13.9%

3rd 22 - 38 1.727:1 3rd 18 - 31 1.722:1
) 13.2% ) 10.5%

4th 24 - 36 1.500:1 4th 24 - 37 1.542:1
) 9.3% ) 8.1%

5th 25 - 34 1.360:1 5th 24 - 34 1.417:1

) 7.3% ) 5.9%

6th 23 - 29 1.261:1 6th 21 - 28 1.333:1

Overall Reduction 1st - 6th 52.4% Overall Reduction 1st - 6th 46.0%

Nova 'A' Ratio % Drop

1st 18 - 43 2.389:1

) 16.3%

2nd 20 - 40 2.000:1

) 13.6%

3rd 22 - 38 1.727:1

) 13.2%

4th 24 - 36 1.500:1

) 9.3%

5th 25 - 34 1.360:1

) 7.3%

6th 23 - 29 1.261:1

Overall Reduction 1st - 6th 47.2%


	Nova BMW S1000RR Close Ratio Race Gearbox - Superfinished As Standard