Triumph 675 Close Ratio Gearbox

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A full 6 speed close ratio gearbox optimized for racing with undercut dogs for fast, accurate gear changes and positive retention. 

We supply a complete set of gears and the input shaft, which are direct replacements for the standard parts with no modification required.  Simply assemble with genuine Triumph circlips, washers, bushes, bearings, etc.

 

Further Information >
All Gears are Superfinished as Standard
Triumph Standard Gearset >
1st 16 - 37 2.313:1
} 19.7%
} 15.7%
} 13.8%
} 8.3%
} 8.2%
2nd 21 - 39 1.857:1
3rd 23 - 36 1.565:1
4th 20 - 27 1.350:1
5th 21 - 26 1.238:1
6th 22 - 25 1.136:1
 
Overall reduction 1st - 6th 50.9%
Nova Close Ratio 6 Speed Gearbox >
1st 15 - 33 2.200:1
} 20.5%
} 14.3%
} 10.0%
} 8.3%
} 7.7%
2nd 15 - 28 1.750:1
3rd 18 - 27 1.500:1
4th 20 - 27 1.350:1
5th 21 - 26 1.238:1
6th 21 - 24 1.143:1
 
Overall reduction 1st - 6th 48.0%

Triumph 675 Close Ratio Gearbox

Price £2100.00

+VAT (if applicable) & Carriage

Availability: Call

 

Also available from:

J.T. Engine Developments

01530 272 045

jtenginedev@btconnect.com