Tamarit, a renowned Spanish workshop, has designed a bespoke bicycle that embodies the essence of the sigma persona. A bicycle that boldly fuses styles without apology, arriving at a destination before its time? With a name that reflected their commitment to consistency, the engineers dubbed the heavily reworked Triumph Bonneville T100 “Sigma”.
Tamarit Bikes stand out as uncompromising experts in bespoke Triumph modifications.
The T100 is the 138th bespoke Triumph to emerge from their workshop, showcasing the manufacturer’s growing expertise in this realm. With a focus on quality, Tamarit crafts its own range of Triumph aftermarket parts while also incorporating premium components from renowned suppliers on each project, including Sigma.
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Motogadget’s Motoscope Mini Digital speedometer provides the perfect blend of minimalism and clarity to the cockpit of this bike, courtesy of its go-to components provider. Motorcycle technology pioneer Motogadget has taken primary responsibility for designing discreet flip indicators, a keyless ignition system, and the M-unit Blue electronics management module – the brain of the bike’s electrical system.
The latest LED headlights are a given, and this bike takes things to the next level with the added bonus of an integrated LED tail light built directly into the rear loop.
The Sigma’s distinctive feature is its pair of straight drag handlebars, designed to propel riders forward while fostering an assertive riding stance. They installed discreet swap blocks, a custom-tuned throttle, high-performance aftermarket grips, and a polished chrome-plated brake reservoir. The sleek, brand-new levers, courtesy of Kustom Tech, are perfectly complemented by a pair of stylish Motogadget bar-finish mirrors that complete the revamped aesthetic. To enhance handling and stability, Tamarit has developed a custom-made triple clamp for this project and installed its renowned Pantera springs on the fork’s stanchions, further optimizing the bike’s dynamics. While seemingly functional, the springs serve solely as a visual feature, yet their tangible benefits remain straightforward.
Discreetly tucked away at the rear, users will find additional Tamarit utilities manifest in the form of a sturdy hugger-style license plate holder. Outside our entrance, a subtle yet effective transformation has taken place, with a bespoke fender conversion adding a touch of individuality to the overall aesthetic. Beneath the engine, a sturdy Hummer-style sump guard now shields vital components from potential damage, while a clever Tamarit chain guard replaces the utilitarian factory option, lending a premium feel to the entire design.
The one notable Tamarit customisation is the alteration of the Triumph chassis’s underlying structure. With this revised inventory subframe, the Bonneville’s silhouette is now more compact and harmonious, thanks to the introduction of a sleeker, shorter hoop that streamlines its overall presence. The newly designed single-seat arrangement perfectly harmonizes with the dimensions of the latest hoop iteration. What renders this design remarkable is the way the seat seamlessly wraps around the gas tank, creating a harmonious bond between the two components that gives rise to an unmistakable insect-like aesthetic. To ensure a flawless integration, Tamarit crafted a recessed channel within the tank to cradle the seat pan in place. The subtle tweak to the Sigma brand’s visual identity yields no tangible benefits, yet distinctly enhances its aesthetic appeal.
The efficiency modifications have been streamlined effortlessly through minor adjustments, resulting in enhanced handling and performance. In a bold move to rectify the notorious handling issues associated with the Bonnevilles’ underwhelming suspension, Tamarit has opted to replace it with high-performance Hagon Nitro shock absorbers, elevating the overall ride quality and dynamics of the vehicle. To liberate the stream of gases the manufacturing facility air field has been eliminated and Ok&N filters match to the intakes. To harness the engine’s full potential and imbue the bike with an assertive growl, Tamarit crafted a sleek, high-mounted twin exhaust system reminiscent of a classic tracker design.
The removal of the airbox has also contributed to balancing the weight distribution of the Bonneville’s substantial new tires. While disregarding enhancements, the Continental K112 rubber boldly asserts itself, especially when paired with matching-width tires on both front and rear axles. The sleek design of the rear end is further enhanced by lenticular wheel covers, originally conceived to optimize aerodynamics. On this particular occasion, the focus is on bikes that typically have a uniform paint scheme extending from the frame to the gas tank.
As is typical for many Tamarits projects, the Sigma initiative incorporates a comprehensive application of chrome plating technology. With a gleaming coat of chrome applied to components like the seat posts, shock absorbers, and engine, Tamarit’s T100 is beaming with a radiant shine, showcasing meticulous attention to detail in every aspect. The paintwork employs a classic Triumph two-tone scheme, featuring gold pinstripes dividing the ivory from the cream. The pièce de résistance lies in the subtle yet striking design elements: Tamarit’s personalized tank badges and numbered Sigma emblems elegantly adorning the exterior.
The outcome of Tamarit’s endeavour on the T100 yields a bicycle that resists classification altogether. While its tracker-inspired design and nods to Harley-Davidson’s 48 Sportster may divide opinions, the bike still holds a certain allure. Despite the title’s hint that Sigma may have a distinct personality,
