Motorized Bike Frame and Bottom Bracket for Cyclists

The CDHPOWER Bicycle Gas Frame is designed for both 2-Stroke and 4-Stroke Engines, offering a comprehensive solution for gas-powered bicycles. This frame comes with a few key requirements to ensure a proper fit and smooth operation.

Firstly, the gas frame requires a switch with dimensions of 10*1.5mm. Additionally, the headset size should be 1 1/8", while the bottom bracket diameter is 1.732"/44mm. The seatpost diameter is specified as 27.2mm.

Furthermore, the frame includes a Gas Tank Cap, making it suitable for gas motorized bicycles exclusively. The diameter of the downtube is 42mm, and the requirement for the seatpost remains the same at 27.2mm.

Moving on to the frame's dimensions, the rear width is 126mm, and the head tube length is 150mm. The width and inner diameter (including the depth of the screw) of the bottom bracket are 68mm x 35.4mm/2.677in x 1.3937in.

Regarding the bottom bracket, it has an inner diameter of 35.4mm and an outer diameter of 44mm. It is important to note that the best safe speed for racing is 35km/h. If the buyer's bike has a quick-release rear wheel, it is suggested that they do not purchase the gas frame unless they are a professional.

The rear brake on this frame is a Disc brake, with a 68X122mm BB Bike bottom bracket. The bottom bracket interface is Square Taper, and the shell size is 68 millimeters. The color of the frame is Black, and the Axle Length is 122mm.

The package includes the following items: - 1pc 3.4L gas tank frame (brushed aluminum) - 1pc 68X122mm BB Bike Bottom Bracket

In summary, the CDHPOWER Bicycle Gas Frame is a versatile and well-designed frame that caters to the needs of gas-powered bicycles. It comes with specific requirements for the switch, headset, bottom bracket, and seatpost, ensuring a seamless integration with the bike's components. The frame's dimensions, brake system, and bottom bracket details are also provided to help buyers make an informed decision. By considering the recommended safe speed and the potential compatibility issues with quick-release rear wheels, buyers can ensure a safe and enjoyable riding experience.

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