【Provide 3 Essential Installation Tools】: We know how inconvenient it is to buy replacement tools separately. Our package not only brings 4 pairs of bike disc brake pads, but also provides 1* disc brake gap regulator, 1* hydraulic brake pistion press tool and 1* hex wrench. If you buy these tools alone, you will spend twice or more. 【High Temperature Resistance and Wear Resistance Material】: Our bike brake pads are made of sintered metal,which can maintain good brake performance even after prolonged braking. This feature makes it particularly suitable for E-bikes and electric scooters. This is a big difference between our products and others. 【Wide Compatible with】: These bicycle disc brake pads are compatible with SHIMANO SLX Deore XT M615 M675 M666 M785 M985 M987 M988 M6000 M7000 M8000 M8020 M9000 M9020, etc. The selection of brake pad models depends on the brake caliper model, not the bicycle type or brand. If you still don't know whether it's compatible with your brake,or have any problems when using these disc brake pads, we will use our professional knowledge to serve you immediately. 【Comfort Braking & Save Times】: Our sintered metal brake pads have steel backing plates with good heat dissipation performance, longer service life, giving you a comfortable braking feeling. Even with the faster speed and heavy weight like scooter and ebike,you still no need to replace them frequently, saving your time and money. Note: Due to the high temperature calcination of our products, there will be uneven firing colors on the brake pads surfaces, which is normal.（It's not used, it's brand new). Bike Brake Pads