X-PRO Throttle Handle Bar Set Grip for Dirt Bikes Pit bike SSR Coolster Roketa Please identify X-PRO?. NO. 1 China Motorcycle Parts Brand, Better than OEM parts.Throttle Handle Bar Set Grip. Top Quality Guaranteed. Throttle Handle Grip for Dirt Bikes Good quality and comfortable feel. Good wear resistant; Easy installation and removal; Dependable performance with competitive price