REAL CARBON BELT. STAINLESS STEEL PULLEY. Upgrade your E Ride Pro primary drive system with the SKRMOD primary drive pulley and carbon fiber belt kit. Designed for stronger belt performance, cleaner power transfer, and high-power riding setups. Gear remover tool option available for easier installation. The Best Ads Come From Our Customers Youtube link: click here COMPATIBILITY VEHICLE MODEL E Ride Pro SR E Ride Pro SS 3.0 / SS 2.0 E Ride Pro S THICKNESS The large pulley is approximately 21.92mm. The small pulley is approximately 23.87mm The belt is approximately 19mm. （stock belt. 16mm） GEAR REMOVER Full Set (3-Piece): Fits both pulleys and 2.3/2.5 chain drive sprockets. Pulley Tool (Yellow mark): Matches original gear ratios Chain Drive Tool (Red mark): Compatible with 2.3 and 2.5 gear ratios Click to watch the full installation guide! ➡️ HERE NOTE: Not compatible with this small pulley (with diagram) This pulley design has an added outer wall that prevents standard tools from fitting over it. See product images for specific application details We also suffered from the pulley always spinning in the past when we didn't have this tool in our own studio, especially when I needed to shoot videos and had to disassemble it frequently. So we developed this product, making the disassembly of the pulley much easier! Our customer also think so COMPATIBLE MOTOR The stock motor Not suitable for KO motor (Please note this issue. After-sales will not be responsible for this issue.) BELT UPGRADED Optimized Width carbon fiber belt with genuine carbon fiber material for superior strength & perfect compatibility. The ultimate upgrade over GT4 model and perfect pairing for our stainless steel pulley. ✅ Genuine Carbon Fiber Construction - Significant upgrade over GT4! Unlike GT4's non-carbon fiber material, we use authentic carbon fiber composite with hydrogenated nitrile rubber (HNBR) for exceptional durability and the highest strength-to-weight ratio. ✅ 62% Stronger Than OEM - Features industry-leading material combination of carbon fiber and HNBR rubber. Withstands extreme race conditions and highly modified power setups while maintaining perfect reliability. ✅ 19mm Optimized Width - Upgraded from OEM/GT4 16mm to 19mm width for enhanced strength and perfect pulley alignment. The increased width provides better durability and is ideal for high-power modified setups. ✅ Same Tooth Count as OEM - Maintains original tooth profile for direct replacement installation. Fully compatible with stock pulleys, but for optimal performance we recommend pairing with our hardened stainless steel pulley to prevent accelerated wear from carbon fiber's higher hardness. PULLEY UPGRADED Advanced stainless steel construction for extreme lightness & maximum durability. A perfect match for our carbon fiber belt. ✅ ~50% Lighter Than OEM – Weighs only 440g (lighter than two iPhone 16 Pro Max phones)! Drastically reduces weight for enhanced performance. ✅ Carbon Fiber Compatible Stainless Pulley – Specifically engineered for carbon fiber belts. Our high-hardness stainless steel pulley prevents accelerated wear caused by carbon belts on softer OEM pulleys, ensuring perfect hardness matching for optimal performance and extended lifespan. ✅ Oversized Mud-Shedding Design – Features significantly enlarged mud ports on both pulleys. Our maximized design ensures better mud clearance than standard pulleys, dramatically reducing cleaning maintenance and delivering smoother operation in all conditions. INSTALLATON Gear Remove: here (The tool is on sale.) USAGE RECOMMENDATIONS If the power of your vehicle has increased and the carbon fiber belt has been upgraded, it is strongly recommended to use our carbon fiber belt and the belt pulley with the sand discharge function in combination. Consequences of Daily Wear and Improvement Suggestions: The power has been upgraded, but the belt and belt pulley have not been replaced: The wear on the original belt and belt pulley is greater, the belt is prone to breakage, and the belt pulley is prone to tip wear; 👍It is recommended to replace our carbon fiber belt and our pulley with higher strength. Only the carbon fiber belt has been replaced: Because the carbon fiber belt is harder, the wear on the original flywheel is greater. 👍It is recommended to replace our pulley suitable for the carbon fiber belt. Other ordinary belt pulleys have been replaced: Due to the absence of the sand discharge hole design, sediment often accumulates and cannot be discharged. 🔥 It is recommended to replace our pulley with the highly difficult tooth surface hollowed-out sand discharge hole design! Paired with our carbon fiber belt, the overall service life is improved! BOX INCLUDED Option 'Belt': 1 x Primary Carbon Fiber Belt Option 'Pulley': - 1 x Front Primary Belt Drive Pulley- 1 x Rear Primary Belt Drive Pulley Option 'Gear Remover':- Full Set (3-Piece): 3 x tools- Chain Drive Tool: 1 x Chain Drive Tool- Pulley Tool: 1 x Pulley Tool SHIPPING In Stock: Ships from our CN and US warehouses for fast delivery. 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