Photo: Dario Rodriguez via Instagram
The custom bikes put together by STG Tracker are synonymous with brilliance on both a cosmetic and mechanical level. Marcelo Obarrio and Germán Karp are clearly not messing around, as proven by all the incredible builds they’ve delighted us with thus far. We’ve featured many of them on autoevolution in the past, and it most certainly won’t hurt for us to examine yet another.
At its core, the slender street tracker shown above is a BMW R 80 ST from the model-year 1983, but all the stock equipment besides the main frame and drivetrain has been deleted. With a blank canvas on their workbench and the design criteria established, the STG duo wasted no time getting started. They first wanted to ensure that the R 80’s boxer-twin engine will run as it should for a long time to come.
An invigorating refurbishment was thus performed on the inside, and the motorcycle’s Bing carbs have also been rebuilt for good measure. They now breathe through individual K&N pod filters as opposed to the OEM airbox, but the exhaust-related work was far more intricate. It involved creating a fresh stainless-steel setup from scratch, with a two-into-one header layout mated to a Spark silencer.
To finish off the mods associated with the powertrain, Marcelo and Germán installed retro-style valve covers and had everything wrapped in a layer of matte-black paint. Next up, the guys turned their attention to the bike’s running gear, installing the premium upside-down forks of an MV Agusta F3 at the front end. These are held in place via billet aluminum triple clamps fabricated in-house.
Besides the high-grade suspension paraphernalia, the same F3 also donated its beefy Brembo front brake calipers and rotors. The wheel hub in that area is a bespoke CNC-machined item, laced to an Akront rim measuring 18 inches in diameter. A similar piece of footwear is present at the back, as well, but this time it’s connected to the factory drum brake.
Rear-end suspension duties are assigned to a YSS monoshock, and the Beemer’s new rims wear Pirelli Phantom Sportscomp rubber. STG’s bike-modding connoisseurs came up with a svelte custom subframe, too, topping it off with a plain tail unit and a handsome solo seat. Cloaked in a mixture of standard black leather and Alcantara, the saddle is fronted by a slim fuel tank that completely alters the R 80 ST’s presence.
Up front, the STG Tracker treatment involved the addition of a carbon fiber fender and a stylish nose fairing. The latter sits right above a Koso LED headlight and in front of a digital Motogadget dash, while the cockpit area is home to a low-profile handlebar complete with underslung mirrors, bar-end turn signals, and Brembo control levers. CNC-milled rearsets and a stunning coat of blue paint comprise the finishing touches on this machine.
An invigorating refurbishment was thus performed on the inside, and the motorcycle’s Bing carbs have also been rebuilt for good measure. They now breathe through individual K&N pod filters as opposed to the OEM airbox, but the exhaust-related work was far more intricate. It involved creating a fresh stainless-steel setup from scratch, with a two-into-one header layout mated to a Spark silencer.
To finish off the mods associated with the powertrain, Marcelo and Germán installed retro-style valve covers and had everything wrapped in a layer of matte-black paint. Next up, the guys turned their attention to the bike’s running gear, installing the premium upside-down forks of an MV Agusta F3 at the front end. These are held in place via billet aluminum triple clamps fabricated in-house.
Besides the high-grade suspension paraphernalia, the same F3 also donated its beefy Brembo front brake calipers and rotors. The wheel hub in that area is a bespoke CNC-machined item, laced to an Akront rim measuring 18 inches in diameter. A similar piece of footwear is present at the back, as well, but this time it’s connected to the factory drum brake.
Rear-end suspension duties are assigned to a YSS monoshock, and the Beemer’s new rims wear Pirelli Phantom Sportscomp rubber. STG’s bike-modding connoisseurs came up with a svelte custom subframe, too, topping it off with a plain tail unit and a handsome solo seat. Cloaked in a mixture of standard black leather and Alcantara, the saddle is fronted by a slim fuel tank that completely alters the R 80 ST’s presence.
Up front, the STG Tracker treatment involved the addition of a carbon fiber fender and a stylish nose fairing. The latter sits right above a Koso LED headlight and in front of a digital Motogadget dash, while the cockpit area is home to a low-profile handlebar complete with underslung mirrors, bar-end turn signals, and Brembo control levers. CNC-milled rearsets and a stunning coat of blue paint comprise the finishing touches on this machine.
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