DT Swiss Ratchet DEG DF Anti-pedal Kickback System Upgrade Kit - 90t With Tool. The DF (Degrees of Freedom) technology is an anti-pedal kickback device simplified to the max. Retrofittable to all Ratchet DEG freehub systems and lighter than other solutions just replace the hubs threaded ring and the two ratchets to enjoy three different degrees of freehub movement: 0° 10° and 20°. Easily adjustable low maintenance and adding no weight the new DF technology offers additional degrees of freedom in tuning the riding characteristics of your bike. By allowing the freehub to rotate a specific range before engaging the influence of the chain on the rear suspension is reduced allowing the suspension to work freely. The system gives you the freedom to find the right setup for different types of terrain or bikes without using any tools. And if your goal is to optimize your bike kinematics you have another degree of freedom.

An anti-pedal kickback system upgrade works without additional parts and requires nomore maintenance than a classic Ratchet system

Compatible with all Ratchet DEG equipped hubs

Degrees of freedom offers 3 setup options: 0º 10º and 20º. The number of values that have the freedom to vary in the final result of a statistical calculation

Upgrade kits are available with or without installation tool