Rear Heavy Duty CV Axle by TrakMotive. Constant Velocity (CV) Axles for ATVs, UTVs and Side-by-Sides are engineered from the ground up to be the highest quality, most reliable, and toughest CV axles on the market. Manufactured in a state-of-the-art ISO9001 and TS16949 certified factory, they are designed to withstand the most rigorous conditions and combat rough terrain, water, mud, and sand. Each application is torture tested to failure to ensure maximum durability. Compared to TrakMotive OE Replacement CV Axles, TrakMotive Heavy Duty CV Axles feature a solid 42 chromoly steel center shaft that is up to 35% stronger. The CV axle joints are packed with premium heavy duty, high temperature moly grease for greater durability and smoother performance under severe operating conditions. Higher quality thermoplastic elastomer (TPE) dust boots offer superior tear and puncture resistance increasing axle longevity. TrakMotive Heavy Duty CV Axles for ATVs, UTVs and Side-by-Sides exceed OEM quality in fit, form and function, come fully assembled for easy installation with no modifications required, and include a one year limited warranty. Experience the TrakMotive advantage today!.