ZTTO H23 Thicken 2.3mm Brake Disc Rotor for MTB E-bike. Disc caliper brakes slow the bike by converting the speed and energy of the bicycle into heat. The system can generate significant heat from slowing the wheel and bike.
HIGH-QUALITY STAINLESS STEEL CONSTRUCTION: Built from durable stainless steel, this rotor resists warping and corrosion, providing long-lasting performance and durability.