Vibrasonix pillow top eliminates vibration and cushions impactTacky gel-like surface compound is perfect for offroad ridersInner core compound ensures better bonding interface with barsANTI-Rip Tip uses denser compound to increase life of grip Designed to self-clean and shed mud away from outer surfaceThese grips designed to fit motorcycles. The throttle tube grip and handlebar grip are different interior diameters