Universal Mountain Bike / Cycle Alloy V-Brake Set (Silver Alloy) Fully Adjustable + Extra Secure Threaded Brake Blocks - FREE SHIPPING! FREE VALVE CAP UPGRADE WORTH $4.99! (Rear U-Brake) Universal Fit - For mountain bikes, childrens bikes, road bikes etc. Allen Key Brake Blocks - Secure & flush fit up to your rim giving maximum braking performance Silver Alloy Arms - Light weight yet durable for variable braking power. Fully Adjustable - Set up your brake style exactly how you want it SKYSCAPE CAPS WORTH $4.99 - INCLUDED FREE! (Schrader or Presta. See Product Description)