M Sport: A racy BMW K100RS café racer by Bolt

M Sport: A racy BMW K100RS café racer by Bolt


BMW K100RS café racer by Bolt Motor Co.
The BMW K100RS was borderline futuristic when it hit the scene within the Eighties. Between its blocky horizontal inline-four engine and its geometric fairings, it was a major side-step from the boxer fashions that the marque was well-known for.

Certain, it nonetheless appears prefer it got here from the 80s, however that doesn’t make it a nasty bike. Strip off the bodywork and throw a bunch of top-shelf parts at it, and you can have a pointy, high-performing café racer in your fingers. Which is precisely what Spain’s Bolt Motor Co. has performed to this 1986 BMW K100RS.

BMW K100RS café racer by Bolt Motor Co.
Bolt’s consumer had requested a BMW K100 café racer with a race-inspired aesthetic. However whereas most shoppers normally solely have a imprecise thought of what they’re after, his concepts had been very particular. So particular, the truth is, that he gave Bolt an in depth, full coloration sketch to work from.

“Your entire workforce was shocked when a freehand drawing of how he wished the bike arrived on the workshop,” says store boss Adrián Campos. “It was a drawing that was prepared to border, the place each element got here to life. From that second on, our purpose was to deliver that drawing to life.”

BMW K100RS café racer by Bolt Motor Co.
From the skeletal subframe to the Öhlins suspension, the whole lot was laid out unambiguously. Efficiency was high of the checklist; no downside for Bolt, whose sister firm is the System 3 racing workforce, Campos Racing.

From their shared workspace in Valencia, the workforce stripped the BMW K100RS right down to its naked bones and started working. It’s not the primary time that Bolt has torn right into a Okay-series BMW, in order that they’ve discovered a couple of intelligent methods to eke greater than the unique 90-ish horsepower out of it.

BMW K100RS café racer by Bolt Motor Co.
See that canister sitting on high of the engine block on the left facet? That’s a custom-made consumption, developed particularly for the Okay’s motor. Flip to the opposite facet of the bike, and also you’ll spot the relocated ignition, and a Movement Professional coolant restoration bottle.

For the exhaust, Bolt tweaked the headers and fitted twin Akrapovič mufflers. They rewired the bike too, with a System 3 racing-spec wiring loom and Motogadget parts. Adrián can verify that he and his workforce did another “fancy issues” to the engine, however he prefers to maintain these secrets and techniques to himself.

BMW K100RS café racer by Bolt Motor Co.
Transferring to the chassis, Bolt sourced the upside-down Öhlins forks and twin Brembo brakes from an Aprilia RSV. Getting the whole lot to suit meant not solely machining new yokes, however a complete new steering stem too. In addition they added a brand new mounting tab to the body, to accommodate an Öhlins steering damper, borrowed from the Aspar bike racing workforce.

The K100 retains its unique wheels and Brembo rear brake, however now sports activities an Öhlins piggyback shock. It’s related to the BMW’s new bespoke subframe, which options a couple of distinctive particulars of its personal. There’s a {custom} seat and 3D-printed tail cowl up high, an electronics tray tucked beneath, and an LED headlight embedded out again.

BMW K100RS café racer by Bolt Motor Co.
Bolt additionally saved the K100’s unique gasoline tank, however modified it to sharpen up the bike’s silhouette, and to cover the radiator away. Additionally current are discreet fenders at each ends, {custom} made by Bolt.

An LED headlight sits up entrance, mounted on {custom} brackets. The cockpit wears new clip-ons with inner wiring, Motogadget bar-end flip alerts and Highsider mirrors. There’s additionally a Motogadget sprint, housed in a 3D-printed encompass, and LED-backlit push buttons.

BMW K100RS café racer by Bolt Motor Co.
Complementing the quite a few mods is BMW M-inspired paint job, masterfully executed by Ángel at Airbrush Customized. Frequent collaborator, Tapizados Llop, dealt with the leatherwork on the seat. In case you look intently, you’ll spot blue and purple threads that match the asymmetrical highlights on the gasoline tank and wheels.

Different add-ons embrace Goodridge brake hoses, Tarozzi rear-set foot controls, and a one-off license plate mount that attaches to the swingarm. There’s quite a lot of element to absorb, which suggests simply what number of man-hours went into this construct.

BMW K100RS café racer by Bolt Motor Co.
“It has been a troublesome construct which has been exhausting to get out, and has wanted many hours of labor,” says Adrián. “We all know that we have now put the consumer’s endurance to the take a look at on multiple event, as a result of the time has gone just a little greater than we anticipated. However making a murals like this isn’t fast or simple.”

“Ultimately, the ultimate outcome has been value on daily basis of ready. Now we have managed to offer life to a novel and tremendous particular bike, identical to its proprietor. I hope he enjoys it as a lot as we have now loved customizing it!”

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BMW K100RS café racer by Bolt Motor Co.



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Alex Lorel

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