The CAST BIKE

There was one particular bike at this year’s Art and Wheels Basel that caught everybody’s eyes: The CAST BIKE by Veikko Sikiö that Andy from Flying Choppers brought to the show. Let’s look at some of the details on this absolutely amazing build.

Veikko Sikiö from Waylon Machinery in Finland started his project with the engine: He began with a set of old Triumph pistons and a set of Ironhead Sportster flywheels and made it into a 800 cc v-twin configuration. The heads were originally from a single cylinder BSA B33 engine which makes the engine have a four cam motor with home made crank cases and cylinders. The cylinders were made by recycling old alloy car wheels. Each wheel was melted down and then the molten alloy was poured into molds to create the parts Veikko needed to build the parts he needed.

Due to the engine’s very unique design everything had to be carefully thought out and made to work accordingly, just like the Bosch magneto that is mounted in front of the downtube of the frame and is driven by a short chain on a sprocket on the end of the crank. The engine setup is completed by the manual oil pump mounted between the cylinder heads that is used at start-up to ensure that the heads are properly lubed. The power is taken from the motor by a homemade open primary that is connected to a clutch taken from a Jawa speedway bike. Behind the clutch sits a four-speed BSA gearbox.

Just to confuse people “B&W Gear Co. Ltd.” is cast into the drivetrain, just like the wheels who say “Bobbin Wheels”. All those parts were in fact handmade by Veikko himself. Both 19 inch wheels are equipped with Firestone tires, the front even has small magnets set into one side of the rim which are used to power the headlamps on the bike. The back wheel carries the only brake on the bike, which is a modified Triumph drum brake.

Given the unique nature of the engine and drivetrain it should come as no surprise that the frame was handbuilt as well. Once again Veikko has used his casting skills to create the brass lugs that the steel tubes have been brazed into. The same techniques have been used on the girder fork up front and pretty much everything else on the bike.

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