ITEM NAME:Pairs Parts Brake Pad Protect Rotor Mountain Bike Semi Bicycle Disc Description: 100% Brand New and High Quality.&;nbsp; 1. Protect your rotor, high static friction coefficient. 2. Smooth and powerful braking, great heat dissipation. 3. Made of semi- material. Durable and practical. 4. Less noise. Suitable for 3 series(such as M355/M375/M395), 4 series hydraulic disc brake(such as M415, M416, M446, M447) etc. Specifications: Color: black Material: semi- Size(approx.): 35 * 20mm / 1.38 * 0.79" Package Included: 4Pcs/2 pair * Bicycle disc brake pad 2Pcs * Spring 2Pcs * Cotter Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2cm differences due to manual measurement..4Pcs/2 pair Bicycle disc brake pad. Protect your rotor, high static friction coefficient. Made of semi- material. Durable and practical. Material: semi-. Less noise. Suitable for 3 series(such as M355/M375/M395), 4 series hydraulic disc brake(such as M415, M416, M446, M447) etc.