Thumb controller designed for 7/8″ 22mm handle bars, installation diameter7/8″ (22mm). Total wire cable Length: 46.45″(1180mm), the metal part without the casing is about 2.93″(74mm). Easy to install and adjust cable length, it takes10 mins at most. Works great! Premium aftermarket part that meet or exceed high quality standards. Direct replacement without alterations or modifications. Specifications: Material: Aluminum Installation diameter: 7/8″ (22mm) Cable Length: 46.45″(1180mm) Package includes: 1 x Thumb Controller 1 x Accelerator Cable