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Home»News»Fake brakes, wild mods, and the tiniest lights ever: Inside Harry MacFarlane’s insane 4.8kg Trek Emonda built for British hill climb nationals
News By Jackson LeeOctober 26, 2025

Fake brakes, wild mods, and the tiniest lights ever: Inside Harry MacFarlane’s insane 4.8kg Trek Emonda built for British hill climb nationals

Fake brakes, wild mods, and the tiniest lights ever: Inside Harry MacFarlane’s insane 4.8kg Trek Emonda built for British hill climb nationals
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In the world of competitive cycling, where every gram can spell the difference between victory and defeat, innovation often takes center stage. Harry MacFarlane, a rising star in the cycling community, has captured the spotlight with his audaciously modified 4.8kg Trek Emonda, a machine that challenges the boundaries of what is possible in the realm of hill climbing. As the British Hill Climb Nationals approach, MacFarlane’s bike-a seemingly inconceivable fusion of cutting-edge technology and unconventional modifications-has raised eyebrows and sparked discussions around safety and regulation in the sport. From fake brakes to eye-poppingly minuscule lights, his approach not only exemplifies the relentless pursuit of performance at any cost but also ignites a debate about the ethics of equipment modification in cycling. As the competition heats up, all eyes are on MacFarlane and his radical ride-will these daring choices propel him to the peak, or will they prove to be his downfall?

Innovative Customizations Push Limits in Harry MacFarlane’s Lightweight Trek Emonda

In a daring display of engineering audacity, Harry MacFarlane’s latest iteration of the Trek Emonda has set the stage for an exhilarating showdown at the British hill climb nationals. At a mere 4.8 kg, this featherlight marvel pushes the boundaries of what a race bike can be. Among its most innovative features are the striking fake brakes, designed to minimize weight while maintaining the bike’s aerodynamic profile. This clever modification has raised eyebrows and sparked excitement, as it challenges traditional approaches to safety and performance in competitive cycling.

Additionally, MacFarlane has embraced the extreme with the introduction of the world’s smallest lights, ensuring visibility without adding bulk. These minuscule powerhouses are crafted to blend seamlessly into the bike’s sleek silhouette while providing crucial illumination. Other highlighted features include:

  • Carbon fiber components for enhanced stiffness and responsiveness
  • Custom-painted frame that showcases a unique blend of aesthetics and branding
  • Minimalistic gear ratios tailored for the steep climbs
FeatureDetails
Weight4.8 kg
BrakesFake, for weight reduction
LightsWorld’s smallest

Breaking Down the Controversial Modifications Behind a Record-Setting Climb

In the lead-up to the British hill climb nationals, Harry MacFarlane’s modifications to his already feather-light Trek Emonda have ignited heated discussions among cycling purists and enthusiasts alike. Weighing in at an astonishing 4.8 kilograms, his bike has undergone a series of drastic alterations that push the limits of engineering and, some argue, ethics. Among the most eyebrow-raising modifications are the fake brakes, which not only reduce weight but also raise questions about safety and compliance with racing standards. Moreover, the choice of components showcases an obsession with shedding grams – from subminiature lights that barely take up space to wheels specifically designed for optimal aerodynamics while teetering on the edge of fragility. Critics are left to ponder: at what point does the pursuit of speed compromise the integrity of the sport?

This particular assembly of parts is a masterclass in innovation, albeit one that treads the fine line between technology and controversy. To break it down further, notable features include:

  • Lightweight carbon fiber frame: Strategic cuts and drilling enhance performance without sacrificing integrity.
  • Custom-built wheelset: Every ounce is accounted for, with rims designed for aerodynamic efficiency.
  • Ultra-thin cables: Designed to minimize drag, but raising questions about durability.

Recent discussions have illuminated a broader issue regarding the evolution of road cycling technology, raising questions about regulation and fairness in competition. Is this the future of cycling, or merely a fleeting phase of extreme optimization? Only time will tell as MacFarlane charges up the hill, but for now, the debate rages on.

Safety Concerns Arise: The Risks of Extreme Light Weight in Competitive Cycling

As competitive cycling continues to push the boundaries of performance, a new wave of ultra-lightweight bikes has emerged, raising significant safety concerns. Harry MacFarlane’s 4.8kg Trek Emonda, while a marvel of engineering, exemplifies the extremes to which athletes will go in the pursuit of speed. With components stripped down to the bare essentials, cyclists are increasingly opting for modifications that may compromise their safety. Some bikes now feature “fake brakes” and custom, stripped screws that dramatically reduce weight but severely limit braking power and stability on descending roads, where split-second decisions can be the difference between victory and tragedy.

Moreover, the minuscule front lights fitted on these featherweight machines present another dimension of risk. Riders are expected to tackle dark mountain paths and steep descents with visibility often reduced to a whisper. These lights, marketed for their weight savings, lack the luminosity required for safe navigation. A comparison of standard versus ultra-lightweight components highlights the trade-offs faced by cyclists:

ComponentStandard WeightUltra-LightweightRisk Factor
Brakes200g100gReduced stopping power
Lighting50g10gLow visibility
Frame800g650gSusceptibility to cracks

Such modifications not only test the limits of rider skill but also challenge the very premise of safety in the sport. As regulations evolve, the cycling community grapples with finding a balance between innovation and essential safety measures, ensuring that the thrill of racing does not come at the cost of life. While the quest for lightness will likely persist, the growing discourse underscores the need for re-evaluating acceptable standards in competitive cycling.

To Conclude

As the dust settles on the dramatic showdown at the British hill climb nationals, Harry MacFarlane’s astonishingly featherlight 4.8kg Trek Emonda has certainly left its mark, provoking both awe and concern in equal measure. With its eye-catching modifications-from questionable brake systems to minuscule lights-this bike exemplifies the lengths to which competitors are willing to go in pursuit of victory on the steepest gradients. While MacFarlane’s innovative approach may push the boundaries of cycling engineering, it also raises critical questions about safety and the ethics of competition in the sport. As the cycling community reflects on this audacious entry, one thing remains clear: MacFarlane’s Trek Emonda isn’t just a bike; it’s a statement on the evolving landscape of racing where every gram-and every mod-matters. As we look to the future of hill climbing, the blend of creativity and caution in bike design will likely become more pronounced, ensuring that this year’s championships remain a topic of conversation for years to come.

bike mods British cycling British hill climb nationals cycling cyclism fake brakes Harry MacFarlane hill climb nationals news sport Trek Emonda
Jackson Lee

    A data journalist who uses numbers to tell compelling narratives.

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    Fake brakes, wild mods, and the tiniest lights ever: Inside Harry MacFarlane’s insane 4.8kg Trek Emonda built for British hill climb nationals

    Fake brakes, wild mods, and the tiniest lights ever: Inside Harry MacFarlane’s insane 4.8kg Trek Emonda built for British hill climb nationals

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    Katie Archibald and Maddie Leech Shine in Madison Gold as Hetty van de Wouw Smashes 1k TT World Record on Day 4

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