City Vanture Allows You to Realize the Free Assembly of E-Bike

The City Vanture ebike is presently on Indiegogo  Vanpowers Bike
 
 

While aluminum is a very popular choice for bicycle frames, the welds which join the tubes together leave a lot to be desired. Vanpowers Bike's City Vanture ebike takes a different approach, by having the buyer join the tubes via mortise and tenon joints.

First of all, what's wrong with aluminum welds? For one thing, the weld points are usually a weak point in the frame, as they're typically not as strong as the unwelded aluminum alloy to either side. Additionally, many people simply find the big, obvious welds to be visually unappealing.

By contrast, mortise and tenon joints are known for being strong, stable and nice-looking. In a nutshell, they consist of a tenon "tongue" extending from the end of one piece of material, which snugly slides all the way into a mortise hole in the other piece.

In the case of the City Vanture, the frame's 6061 aluminum top tube, down tube, seat tube, seat stays and chain stays all have tenons at either end (basically just smaller-diameter sections of tubing). These slide into round mortises at the frame's junction points, where steel bolts are used to clamp the mortises firmly around the tenons.

City Vanture riders can choose between five levels of motor assistance
City Vanture riders can choose between five levels of motor assistance  Vanpowers Bike

Depending on who's looking at the joints, the protruding bolts may or may not be more visually attractive than aluminum welds. Additionally, Vanpowers claims that they're stronger than welds, plus they make for a straighter frame (albeit by fractions of a millimeter) and a smoother ride.

The City Vanture is being offered in 11 frame colors
The City Vanture is being offered in 11 frame colors  Vanpowers Bike

Some of the bike's other features (depending on the package) include a stem-integrated LCD display; Magura hydraulic disc brakes; a Gates Carbon belt drive drivetrain; plus DT Swiss rims with 700 x 28c Maxxis tires. The whole thing reportedly tips the scales at 34 lb (15.5 kg). We're still waiting to hear back about gearing.

Should you be interested, the City Vanture is currently the subject of an Indiegogo campaign. Assuming it reaches production, a pledge of US$1,399 will get you one – the planned retail price is $2,399.

It can be seen in action, in the following video.

City Vanture, a Refined Customizable Road E-Bike
 

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