The Shimano B05S Disc Brake Pads & Spring feature a resin compound and steel backing for smooth, consistent bike braking performance. These original Shimano bike brake pads offer 50% better wear resistance than B03S, fit a wide range of Shimano callipers, and ensure reliable stopping power. Easy to install, they're ideal for upgrading your bike. Buy your bike brakes at Halfords, the UK's largest bike accessories retailer.