Polini Rollers 28x20 26,0gr 8pcs 242.239 silverwing 600Operation
Due to the rotation, the weight of the rollers becomes a centrifugal force; the higher the rollers weight, the lower the gear change time, and vice-versa.
Variator calibration
To optimize engine's performance, select rollers that in operation, maintain the engine at the highest power regime. By diminishing the rollers weight the engine s RPM increases; on the contrary, by increasing the rollers weight the RPM decreases.


















HONDA
HONDA
HONDA
PIAGGIO
SYM
YAMAHA
KAWASAKI
YAMAHA
YAMAHA
HONDA
SUZUKI
YAMAHA










