Scientifically engineered with real world rider pressure data, our XC grips feature multiple rubber densities and an ergonomic profile to hit the absolute sweet spot of comfort and control. XC riders tend to ride an aggressive position and these grips are designed accordingly with an increased control area for the thumb. Available in two widths, they're durable whether you're shredding your local trail or a World Cup cross country course. This version features a neat lockon collar.Diameter:Small 30.5mmMedium 32.5mm