- The Reverse EFS system (Equal Flange System) has symmetrical flange distances and thus enables symmetrical spoke angles
- The same spoke length can be used on both flange sides and exactly the same spoke tension can be generated on both sides
- Axle mount: 12 x 150 mm or 12 x 157 mm
- Number of holes: 32
- 120 engagement points
- Weight: 305 g
- Material: Aluminium
- Only 7-speed compatible