Dial in your machine’s performance with the EPI Red Primary Clutch Spring for the CF Moto U10 Pro, designed to give you more control over how and when your power comes on. With a 2.5-inch load rating of 125 lbs and a 1.75-inch load of 188 lbs, this spring lets you fine-tune clutch engagement and dial in your top-end RPM to match your riding style. Whether you’re looking for quicker response off the line or better control under load, this upgrade helps you get there.

Built from high-quality materials and held to a tight 5% tolerance, it delivers consistent performance you can rely on ride after ride. It’s a simple but effective way to customize your drivetrain without overcomplicating things. Sold individually, it’s a solid choice for riders who want more say in how their U10 Pro puts power to the ground.