Dr. Pulley 107mm Clutch Bell for 50cc 2-Stroke Air-Cooled or Liquid-Cooled Minarelli Based ScootersSPECIFICATIONS: Inner Diameter (bell): 107mmOverall Height (bell): 34.5mmNumber of Splines (clutch bell): 16COMPATIBILITY: Adly – AirTech 50 2T, Blizzard 50 2T, Cat 50 2T, Jet 50 2T, Madator 50 2T, Noble 50 2T, PR 50 2T, PT 50 2T, Panther 50 2T, Rapido 50 2T, Silverfox 50 2T, Thunder Bike 50 2T, Vanguard 50 2TAprilia – Amico 50 2T, Gulliver 50 2T, Rally 50 2T, Scarabeo 50 2T, SR mod. ’93-96Atala – Carosello 50 2TBenelli – 491 GT-ST 50 2T, 491 RR 50 2T, 491 Sport Racing 50 2T, K2 50 2TBeta – Ark Air 50 2T, Quadra Chrono 502 50 2T, Tempo 50 2TBSV – AX 50 2T, JX-GZ 50 2TGarelli – Pony Racing SR 50 2TItaljet – Dragster 50 2T, Pista 92 50 2T, Bazooka 50 2T, Yankee 50 2TKTM – K 50 2TMalaguti – Centro SL 50 2T, Ciak 50 2T, F10 50 2T, F12 50 2T ’00, F12 Phantom LC 50 2T, Yesterday 50 2TMBK – Booster 50 2T, Booster Next Generation 50 2T, Booster R-Rocket 50 2T, Booster Spirit 50 2T, Booster Track