These neat little plugs simply push into the blue spot on Yamaha's Blue Spot calipers to give them a new look. They are CNC machined from aluminium, and have an 'O' ring to grip. The blue spots come in two sizes, 32mm diameter and 35mm. Some front calipers have two 32's, some have two 35's, and some have one of each. Likewise, the rear calipers can have either, hence we don't sell them in sets, and it is important to measure yours before ordering. This sale is for 1 x 35mm (caliper not included)