Bicycle Gas Frame 3.4L w/o Kickstand, Fuel Tank Built in 3.4L Frame - Gas Motorized Bicycle 66cc/80cc

Features & details Features CDHPOWER Bicycle Gas Frame 3.4L For 2-Stroke & 4-Stroke Engines.

Requirement on switch of gas frame: 10*1.5mm; rear width:126mm Requirement on headset size:1 1/8"; bottom bracket 1.732" /44mm diameter;Requirement on seatpost:27.2mm; the width and Inner Diameter(including depth of screw) of the bottom bracket:68mmx35.4mm/2.677inx1.3937in Gas Tank Cap included; For gas motorized bicycle only Diameter of downtube:42mm; Requirement on seatpost:27.2mm PLEASE NOTE 1: the best safe speed if racing: 35km/h If buyers bike rear wheel is with quick release,we suggest buyers do not buy the gas frame unless buyers are professional.

Any questions,please contact us firstly! we can help you solve the problem until you are satisfied.