JZsports GT-C Gas Frame 3.4L- Black/Brushed Alum,Gas Tank Built In Frame, with 26 inch suspension fork& 1 1/8 headset Combo-Motorized Bicycle

3.4L frame:

Gas Frame 3.4L- Black with Mid-stand bracket on the frame for 2-Stroke & 4-Stroke Engines. 

Requirement on headset size:1 1/8"; bottom bracket 1.732" /44mm diameter;
Gas Tank Cap included;
126mm rear frame width
Diameter of downtube: 42mm
Frame rear width: 126mm
Required for seat post: 27.2mm
Required for seat post clamp: 31.8mm
Requirement on switch of gas frame: 10*1.5mm
Suit for Disc brake;

the width and Inner Diameter (including depth of screw) of the bottom bracket : 68mmx35.4mm/2.677inx1.3937in
Bottom bracket: 
35.4mm (inner diameter)
44mm (outer diameter)


Note: If buyers' bike rear wheel is with quick release,we suggest buyers do not buy the gas frame unless buyers are professional

Please clean the black color painting on thread of bottom bracket before you assemble the crankset

Package include: 1pc gas frame with cap, fork and headset

26 inch Double Shoulder Suspension Fork:

Outside Diameter of Tube: 2.89cm(1.138inch), please refer to the details size picture and measure whether it is what you want before place an order, thanks.

Key words:

   · 26" front fork: suspension with double shoulder;

   · disc brake compatible;

  · compatible with 26"*2.5 tire max

   · Headset requirement is 1 1/8''

   · Outside Diameter of Up Tube: 2.89cm/1.138 inch and 38.1 mm/1.5 inch for lower leg,

  · Suspension forks does not work well with Bicycle handle bar which fits well on out leg diameter 3.15cm to 3.18cm(1.24 inch to 1.25 inch) of triple tree fork.   

Note：Suspension forks does not work well with bicycle handle bar (for out leg 31.5mm-31.8mm)


1 1/8"Threadless Semi-Black Integrated Bicycle Headset with 44mm Cups

- 1 1/8" Bicycle Headsets

- For 44mm Head Tube and 28.6mm Fork;

- Material:alloy and steel,set of 13pcs

- Bearing:Caged(5/32"X22X2pcs)

- Height:22.3mm;Diameter:1 1/8"X44mmX30mm;Finish:CP/ED Black;Weight:140g