Kuryakyn Thresher Grips For Harley With Throttle By Wire Thresher Grips combine a soft shark tooth-inspired knurled rubber texture with an ergonomic profile that contours to the shape of your hands for unbeatable comfort and control. Features: Designed to fit perfectly in your hands: features a wider diameter for thumb, index and middle fingers and a tapered outer profile for ring and pinky fingers Premium, durable Epdm rubber compound will not harden, crack or wear over time and provides an ultra soft, cushiony feel for all-day vibration dampening comfort Unique shark tooth knurling provides awesome grip and distinct styling Assembled with OEM-specific throttle tube and features a glueless clutch grip offering easy installation or removal for handlebar swaps