Grip, Left, Indian, Part 5138840 is the left hand grip on heavyweights. It has Over-molded grips, plastic inserts and the throttle assembly is included. It is designed and tested by Indian Motorcycle Engineers through vibration, UV, ergonomic, and chemical testing to ensure maximum comfortability and that your cycle parts remain aesthetically appealing throughout the useful lifetime of the cycle. Spend less time doing tedious maintenance and more time exploring what the roads have to offer. As a brand that started in 1901, don't settle for anything less than OEM quality.