Brake discs for bicycles

The Shimano SM-RT66 is a brake rotor designed for mountain bikes and riding in challenging terrain with longer descents. The larger diameter ensures strong braking power and better heat dissipation, contributing to stable performance even during prolonged braking. The steel construction increases durability and reliability during intensive use. The rotor can be used for both front and rear brakes, and thanks to its 6-bolt mounting, it is compatible with many hubs. It is suitable for both resin and metal brake pads, allowing the rider to choose the optimal combination according to their riding style and conditions.Rotor diameter 203 mm6-bolt mountingSuitable for front and rear brakeCompatible with resin and metal brake padsSteel constructionTotal package weight 331 g