This is a replacement MSH Rev2 Main Pulley, suited for use with the Protos 700 helicopter.
The rev2 main pulley features an enhanced design optimized to allow any tension to be run on the Protos Max V2. The tooth profile has also been further optimized for uniform tension and power carrying capability.
Must be used with the rev2 pinion.
This product was added to our catalog on April 10, 2018