Folding Clutch Lever with Perch for 50cc - 125cc Dirt Pit Bike Handlebars Ensure the perfect position of the lever and improve the performance of your Pitbike. The perch adjustment is designed for final assembly with an outer diameter of 8 mm. Easy mounting on all 22mm diameter handlebars. Made of anodized aluminum to improve stability and durability. Box contents: 1 clutch lever with perch. Specifications Material: Aluminum Color: Black ID: 8mm Handlebar ID: 22 mm Fitment: For 50cc - 125cc Dirt Pit Bike with 22mm diameter handlebars.