X-Grip front mousse insert for motocross, enduro, and extreme terrain. Designed for 21" tires in 80/100-21, 90/90-21, and small-cut 90/100-21. Mousse Application Guide The X-GRIP EV-1 is a specialized front mousse designed for demanding motocross, enduro, and extreme off-road conditions. It offers consistent performance and improved handling, even when tire pressures are low or variable. Engineered for optimal fit and feel, the EV-1 works with 80/100-21, 90/90-21, and smaller-cut 90/100-21 front tires. This mousse delivers reliable damping and front-end control, making it ideal for riders who push through rocky, muddy, or technical terrain. Durable and race-ready, the EV-1 maintains structural integrity in harsh conditions while reducing the chance of flats or pressure loss. Whether you&';re competing or trail riding, it ensures a controlled and confident ride up front. Key Features Provides consistent feel and improved front-end grip Designed for low-pressure and zero-pressure riding Dampens impacts and reduces flat risk Durable construction suited for high-performance use Ideal for technical and hard terrain Fitment 21" Front Tires (80/100) 21" Front Tires (90/90) 21" Small Cut Front Tires (90/100)