The SwissStop Disc 34 Shimano XTR BR-M9100 disc brake pads are high performance brake pads from SwissStop. They fit a range of brakes and feature an organic compound with balanced characteristics. It is highly durable and has predictable, progressive brake power in all conditions. This gives the rider a smoother feel in the the brake lever, and a quieter ride.Compatible with a range of brakes:Shimano Dura Ace BR-R9170 Ultegra BR-R8070 105 BR-R7070 Tiagra BR-4770 GRX BR-RX810,BR-RX400 XTR BR-M9100 BR-RS805 BR-RS505 BR-RS405 BR-RS305 Tektro HD-R310 REVER MCX1 Flat Mount What's in the box: 1 x Set of Brake Pads. 1 x High quality retainer spring. 1 x Lining retaining screw 1 x Safety Pin. Attention: pads must be bedded in to achieve optimal performanceStep 1. On a gradual downhill slope, drag each brake for 20-30 seconds, alternating between front and rear. Repeat 2-3 times.Step 2. On a steeper slope, engage and drag the brakes for 10-15 seconds then increase lever pressure until the bike slows almost to a complete stop. Repeat 2-3 times.Pro tip: the front pads will have been heated more than the rear. To achieve optimal performance, exchange the front and rear pads then repeat step 2.