In-built bearing and anti-friction sleeve offer an unrivalled feel and super-smooth action to the twist grip. Sealed bearing at the outer end of the tube reduces friction. Anti-friction sleeve at the cable end. Dirt cannot get in between the tube and bar. Makes cleaning the throttle tube a thing of the past CNC ALLOY THROTTLE SLEEVE INCLUDING BEARING YAMAHA OEM - 23X-26243-01-00 YAMAHA FITMENT YZ65 18-25 YZ250 83-95 YZ490 83-90 WR250 91-96 WR500 92-93 KTM FITMENT 125 SX 95-97 250 SX 95-96 360 SX 96 125 EXC 1997 300 MXC 95-96 360 MXC 96