- 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