Key Product Features

 - JZsports-G2 Racing Reed Valve Kit -Suitable for 40mm and 32mm Intake - 2 in1 - 66CC/80CC Gas Motorized Bicycle；

 - Length of neck:1.65inch max and 1.06 inch mini;

 - Inner and Out Dia of neck:0.63inch and 0.75inch

 - Carbon fiber petals;

 Cylinder body was not included. 

  Product description

G2 Racing Reed Valve Kit -Suitable for 40mm and 32mm Intake - 2 in1 - 66CC/80CC Gas Motorized Bicycle; 

Material:carbon fiber; 

        suitable for 40mm intake and 32mm intake; better for 40mm intake;

G2 REED VALVE WORKS WELL ON NORMAL PISTON AND CYLINDER, OF COURSE BETTER PERFORMANCE IF WORKS WITH WINDOWED PISTON.

G2 Racing Reed Valve Kit -Suitable for 40mm and 32mm Intake - 2 in1 - 66CC/80CC Gas Motorized Bicycle；