[Compatibility ]-This brake pad is suitable for Sur Ron Light Bee X and S, for X160 X260,for Talaria Sting MX3 MX4 Electric Bike,for H03C H03A ,for 4-piston caliper, include Deore XT BR-M8020, Saint BR-M820 and BR-M640,which is an essential choice to improve the performance of bicycles [Powerful Cooling Function] -The latest upgrade feature of brake pads is with cooling fins,which is provides long pad life and less fade by cooling technology.The ebike brake pads are stable and powerful, with high static friction coefficient, good power modulation and low noise [Improve ]- The brake pad has good effect, short time to adapt to the disc, small pulling force required for , stable and comfortable, and provides strong for your driving [Premium Material ]- The brake pads are made of high-quality aluminum and ceramic , with good force, long-lasting performance and durability Colour:Black Material:aluminum Package Contents: 4x Disc Brake Pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.