1. Improved Grip Technology The silicone brake lever covers provide non slip performance for a secure grip during intense rides and enable better control of your bicycle in all weather conditions rain or sunshine, these covers retain their tactile responsiveness, so you can ride with confidence. 2. Compatibility for ST 2400/3500/4500 models: Specifically designed for ST 2400/3500/4500 shift lever models, these covers fit seamlessly onto your existing brake levers, making installation quick and hassle . 3. Silicone construction Made from high quality silica gel, these brake lever covers are durable enough to withstand the rigors of outdoor cycling. They provide long lasting performance and wear resistance while maintaining their shape and functionality over countless rides. 4. Comfortable touch design: The soft texture of the silicone increases comfort by reducing hand fatigue on long rides, allowing cyclists to maintain a firm grip without discomfort.