NCY Gear Set (16*36); GY6 150cc guides Thread Size (spline side): M12x1

Thread Size (spline side): M12x1

*Ultra efficient cooling properties

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Shipped assembled with bearings and seals

Material: 6061 Billet Aluminum

NCY Gear Set (16*36); GY6 150cc guides Thread Size (spline side): M12x1Get more speed and a more usable rev range out of your GY6 big bore kit with this 16*36 upgear set from NCY. This kit is a 27% upgear from the stock 13*40 gear set. Specifications: Front Counter Shaft Teeth: 16 Spline L: 24mm OD: 31. 1mm Overall L: 60mm Gear Press On Area L: 12. 08mm x OD: 19. 08mm Ends L: 9<10. 5mm x OD: 15mm Rear Final Drive Gear Teeth: 36 Inner Spline: 19 OD: 71. 2mm ID: 18mm W: 20mm NOTE: You're going to need access to a 12 ton