This product included one restrictable twist throttle 3 stage grip, one left hand grip and 72.5cm Gold coded throttle cable The throttle cable through the covered housing onto the twist section. 3 levels of restriction open to them, fully restricted, semi restricted and fully de restricted by simply repositioning the restrictor screw. This universal restrictable throttle kit will suit chinese 47cc and 49cc Mini Motos and pocket bikes.Easy to install. material: plastic Color: Black Restrictable twist throttle 3 stage grip Diameter of Central Hole: 22mm Overall Length: 14.9cm Left Hand Grip: Length: 9cm Throttle Cable Length: 72.5cm Fitment: Suitable for mini pocket dirtbikes / CRX50 dirt bikes, mini quads with twist throttle, mini racing bikes both air and water cooled, mini motards, projects and other self builds. Note: 1. Instruction is not included,professional installation is highly recommended. 2. Please check the size measurement chart carefully before making payment. Package Contents: 1 X Restrictable Twist Throttle 3 Stage Grip 1 X Left Hand Grip 1 X Throttle Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.