The Hope 11 T derailleur wheels are machined from a single piece of aluminum. The teeth of the lower and upper rollers differ in shape to ensure that the chain runs safely and quietly. The ball bearings have special seals for easy running.
Labyrinth seals in the spacers also prevent debris from entering the bearing. This and the large ball bearings ensure low-friction, long-lasting operation.
The derailleur wheels are suitable for 8, 9, 10 or 11-speed rear derailleurs from the manufacturers Shimano, Sram and Campagnolo.
Note: The wheels are NOT compatible with SRAM rear derailleurs that have an integrated mount (two point mounting). It should also be noted that with Sram road bike derailleurs, the upper derailleur roller is sometimes equipped with a 4mm screw mount.