Formula Monolithic Rotors It's Time To Stop The brakes you use on your mountain bike are incredibly important. Your ability to stop and modulate your brakes properly will give you the ultimate control out on the trails. The Formula Monolithic Rotors are specifically designed for Formula brakes. They have a high lateral stiffness to handle high braking forces and a lightweight design that is also quiet. These rotors are perfect for MTB and e MTB. Features Designed for MTB and e MTB setups High lateral stiffness to handle high braking forces Available in six bolt and centerlock options SPECIFICATIONSDiameter160mm, 180mm, 203mm, 220mm Material Steel Intended Use MTB, e MTBWeight N/A | Formula | Monolithic Rotors 220Mm, 6-Bolt, 1. 8