The MTX Gold Label HD 4-Piston Brake Pads are designed for heavier bikes, heavier riders, and difficult terrain. This makes them a perfect choice for eBikes or mountain bikes, thanks to a higher tolerance to heat and wear. These brake pads use a proprietary blend of Kevlar, MTC CervaEVO ceramic materials, and other Japanese-sourced additives. Compatible with any Shimano 4-Piston disc brakes, the MTX HD Pads fit your bike with powerful and silent modulation. Feel more confident than ever taking on steep terrain or long descents.