DISC BRAKE PADS Brand: BUCKLOS Model: BRP-04 Braking System : Hydraulic Brake Pad Material: Resin/Ceramic/Sintered-Metal/Multi-Metallic/Copper-Based Product Quantity: 2 Pairs Easy to install: Equipped with stainless steel inserts, simply remove the used brake pads from the calipers, use a flat tool to push back the piston, or refer to our installation video Fit Most Bikes: BUCKLOS disc brake pads short break-in period,stable and quieter fit for most of bicycles, like mountain bike, road bike, electric bike, e bike(e-bike), scooter, folding bikes, fat bike, bmx etc Wide Compatible with: BUCKLOS disc brake pads are compatible, refer to the figure below.