Variator rolls set 17x12x5.5 RMS 
Standard size and weight for the models:  
ATALA: 
Hacker 50 
ITALJET: 
Formula Lc 50 97 
Suitable for tuning on: 
SUZUKI, ATALA, APRILIA, DERBI, ITALJET, MALAGUTI, TGB and CHINESE SCOOTER with SUZUKI AD (Air Cooled) or KATANA - MORINI (Liquid Cooled) based engine like HYOSUNG, MEITIAN, QINGQI, CHIN CHI and many others. 
 
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