Gearbox -AF RAYSPEED Close Ratio - 4 speed- Lambretta LI, LIS, SX, TV (Series 2-3), DL, GP - 1. 11/50 - 2. 13/41 - 3. 16/38 - 4. 18/36

AF Rayspeed's version of the Close Ratio 4-speed gearbox fits all Lambretta models in the Li family.

The gradation of the gears looks like this:

1st gear = 11-50
2nd gear = 13-41
3rd gear = 16-38
4th gear = 18-36

The total ratio in 4th gear with different sprocket combinations is:

17/46 5.41
18/47 5.22 (like original DL / GP 200)
18/46 5.11
19/47 4.95
19/46 4.84 (similar to original SX 200)
20/47 4.70
20/46 4.60
21/46 4.38
21/47 4.48 (similar to original TV / GT 200)