TM Designworks Factory ED Chain Slider Orange KTM 99-05 The only 2-stage noise suppressing design on the market today with a stronger, more resilient rubber compound bonded under the slider to absorb and reduce chain slap noise A proprietary plastic formula is molded with a special oil additive to decrease chain friction for maximum power to the rear wheel Each chain slider is machine finished with the trademarked Powerlip top to ensure the chain stays in line with the front and rear sprockets Fits like stock and features a new thickness and shape Race tested profiles help reduce chain torque effect so suspension performance is more consistent in whoops and accelerating out of corners