Speed range as original with 'reserve upwards
Changing the tooth gear can help with hills and can allow more revs at higher speeds for tuned kits
which is particularly evident in the chrome version
This is a perfect replacement for the Original Fuel Tap
1743125 (Piaggio) - ART
FA. ITALIA Vespa Driveshaft PX (-1984) Super, Sprint, GT, GTR, Rally Frame_Handlebar Speed range as original withFA. ITALIA Vespa Driveshaft PX ( 1984) Super, Sprint, GT, GTR, Rally Sometimes changing the worn Driveshaft is necessary. Burrs on the cruciform cutouts and wear on the gears can cause quite a few problems, which will ultimately stop a precise gear change. Most of the time milage and riding style can cause issues with this., so changing this is a must! Make sure you check the threads as well, Damaged threads can cause the rear hub not to secure