Produced by KT Hub. We do not have a list of compatible hubs but it could be any big brand since KT has been a supplier for several worldwide players of the bike industries over the years.

30t ratchet / 30.75mm outside diameter of the ratchet ring

80 grams

8/9/10 Shimano Sram Road

8/9/10/11 Shimano Sram MTB