whats the standard weight for the rollers on these and do you think im better of getting the standard weight or not?
RUNNER 125cc + FX 19x17 15.5 15.5g and if you've got a standard bike then you'll want standard rollers.
http://www.scootershack.co.uk/scooter-guides/variator-roller-weights-t22424.html as gamble has said if your bikes standard get standard rollers