Please kindly note:

Before installing, please clean the metal scrap in hub firstly; 

And paste engine oil or lubricating oil on the axle  and six screw holes to disc brake to prevent the screw from damaging!

Bicycle Gas Tank Built in Frame, felt faker frame 3.4L with petcock & 26" Non-Suspension Fork with headset & Motor Mount, Wide crank set

Please clean the black painting on threads of bottom bracket before you assemble the crankset.

Key Features 

CNC front mount screws size:

1pcs screw M8X30mm 

2pcs screw M6X30mm

1. Package include: 1pc 3.4L frame, 1pc Non-suspension Fork, 1pc Headset, 1pc Front Motor Mount, 1pc Petcock and 1pc wide crank set.
   

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

3. For 2-Stroke & 4-Stroke Engines.

4. Requirement on headset size:1 1/8"; 

5. Requirement on petcock size:10*1.5mm

6. Bottom bracket 1.732" /44mm diameter;

7. Gas Tank Cap included;

8. Kickstand Excluded

9. Rear Width: 126mm

10. The width and Inner Diameter (including depth of screw) of the bottom bracket : 68mmx35.4mm/2.677inx1.3937in

11. Bottom bracket: 35.4mm (inner diameter)&44mm (outer diameter)

12. Diameter of downtube:42mm

13. Requirement on switch of gas frame: 10*1.5mm

14. Required for seat post:27.2mm

15. Required for seat post clamp:31.8mm

16. Work with Disc Brake and Caliper Brake

17. 3.4L Frame Youtube Link: https://youtu.be/XgKiZlsJhOA

18. 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; 

Product Description