Parts & Accessories › ROCK ROLLERS Image 1 of 1 ROCK ROLLERS $54.95 Sold Out Improves clutch performance and shift characteristicsMade from engineering grade plastics designed to withstand continuous exposure to elevated temperatures and severe stress conditionsLow coefficient of friction and ROCK hard compound make ROCK Performance Rollers the most advanced engineered rollers to dateFits all Diamond drive secondary clutches Sold Out Added! Improves clutch performance and shift characteristicsMade from engineering grade plastics designed to withstand continuous exposure to elevated temperatures and severe stress conditionsLow coefficient of friction and ROCK hard compound make ROCK Performance Rollers the most advanced engineered rollers to dateFits all Diamond drive secondary clutches