Incredibly light pulley wheels that only weigh 4 grams each, and require no spacers. These have 11 teeth like Shimano pulley wheels, but work on both Shimano and Campy groupsets, and have built in "float" for smoother gear changes.

One great thing about these pulley wheels is that they're easily disassembled for cleaning, and also allows individual components to be easily replaced without having to resort to buying a whole new jockey wheel.

Weight (per pair): 8g