Contact Details
Bruce Verdon
Phone/Fax:
+64 3 5471517
info@ttindustries.com

Motorcycle Gearboxes
 4 Speed HD Gearbox
 5 Speed HD Gearbox
 6 Speed HD Gearbox
 4 Speed Extra HD Gearbox
 5 Speed Extra HD Gearbox

*NEW* 5 & 6 Speed BSA

 Burman Casing
 AMC Casing

Comparison
TT Industries and Standard Gearbox
4 Speed Extra Heavy Duty Gearbox

Gear Ratios offered :
1st2nd3rd4th
2.086 : 11.444 : 11.144 : 11 : 1

Click on thumbnail to view fullsized image.
4 Speed Gearbox - (AJS 7R, Manx Norton, Matchless G45/G50) 4 Speed Gearbox - (AJS 7R, Manx Norton, Matchless G45/G50) 4 Speed Gearbox - (AJS 7R, Manx Norton, Matchless G45/G50)