MHR REPLICA CYLINDER KIT The MHR Replica line of cylinder was created especially for the International Scooter Trophy ­ 70cc Automatic Class. These cylinder kits were designed to guarantee maximum performance in this category, while at the same time assuring extremely long product life. In order to guarantee these special characteristics, Malossi MHR Replica cylinder kit have pistons with two chrome-plated rectangular segmants The MHR line is the results of Malossi's many years of experience in European and National competitions. These new cylinder kits are composed principally of cylinder- piston ­ ring ­ head. Compatible with: - Aprilia: SR 50 04-Piag._S - Derbi: GP1 50 LC_S - Gilera: DNA 50 LC_S, Runner SP 50 -05_S, Runner SP 50 06-_S - Piaggio: NRG 50_S, ZIP SP 01-_S