Gear clusters YX125/140/160/170/4V needle roller or roller cases
Late type TI grade
Do not use with a worn or secondhand selector barrel
Red gears are different from standard
Close ratio Close ratio lower 4th Standard Endurance tall 1st
1st gear 13/34 1st gear 13/34 1stgear 11/36 1st gear 14/32
2nd gear 17/29 2nd gear 17/29 2ndgear 16/ 31 2nd gear 17/29
3rd gear 17/23 3rd gear 17/23 3rdgear 17/23 3rd gear 17/23
4th gear 20/21 4th gear 19/21 4th gear 20/21 4th gear 20/21