Aluminum Pulley Set: 22-4/2.0Key Features Compatible with the TLR 22 4 2. 0 and 1. 0 buggies Hard anodized for reduced friction and wear Update the front clicker pulley to an ultra durable one piece replacement Set includes the front "clicker" pulley replacement and forward rear drive pulley Overview Enhance the drive line on your TLR 22 4 1. 0 or 2. 0 buggy with this hard anodized aluminum center pulley set. This set included both fine pitch front and standard pitch rear