Our DiscStop CoolFin features our special cooling fins that provide maximal cooling of the brake pads. These brake pads have a special organic compound which is optimized to dissipate heat. Altogether this results in optimal braking power and durability. The DiscStop coolfin is perfectly suited for any use, from long braking periods on a decent to short maximum braking power bursts. The pads are replaceable and pre-sanded, which makes them directly ready for use.Coolfins:- The special coolfins are the main feature of the Coolfin brake pads. They allow optimal ventilation to keep the brake pads cool for maximal braking power, even over long braking periods.DicsStop CoolFin:- Our DiscStop CoolFin features our special cooling fins that provide maximal cooling of the brake pads. These brake pads have a special organic compound which is optimized to dissipate heat. Altogether this results in optimal braking power and durability. The DiscStop coolfin is perfectly suited for any use, from long braking periods on a decent to short maximum braking power bursts. The pads are replaceable and pre-sanded, which makes them directly ready for use.Features:- Durable brake pads with heat dissipating cooling fins- Innovative design with cooling fins for optimal heat dissipation- New organic compound for maximum durability and better braking power- Modular and sustainable design with separate coolfins and replaceable brake pads- Spare brake pads separately available- Compatible with SHIMANO: XTR M9100, Dura-Ace R9170, R9100, Ultegra R4770, R7070, R8070, GRX RX400, RX810 and more.Specifications:- Compatible with brands: Shimano- Disc brake pad type: Organic Coolfin- Compatible with: Shimano: Dura-Ace R9270, R9170, R9100, Ultegra R8170, R8070, 105 R7070, Tiagra R4770, GRX RX810, RX400, Metrea U5000, XT M8110-R, SLX M7110-R, RS805, RS505, RS405, RS305, 820- Pad springs included: Yes- Weight (g): 23