Manny Costa

I’m a web developer and systems engineer with more than 30 years in technology and a civil engineering background. At Custom Motorcycles, I bring that technical curiosity to the craftsmanship, design, and engineering behind distinctive builds. I write these features to explore what makes each motorcycle interesting, recognize the builders’ work, and share inspiration with fellow enthusiasts. My articles draw on available build information and photographs, with a focus on the details that give each bike its character.

TuNero by Marcus Walz: A Low-Slung Custom V-Twin

View TuNero by Marcus Walz: A Low-Slung Custom V-Twin Photo Gallery The TuNero is a Marcus Walz custom built around visual impact: a blacked-out V-twin, an exceptionally broad rear tyre and bodywork that sinks the rider into the machine. Rather than relying on bright paint or elaborate graphics, the design uses silhouette, surface finish and wheel proportions to make its …

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KTM RC4 690R by Mototech: A Duke-Based Lightweight Racer

View KTM RC4 690R by Mototech: A Duke-Based Lightweight Racer Photo Gallery The Mototech KTM RC4 690R takes the upright KTM 690 Duke R as its starting point and gives it an entirely different purpose. Its tall, exposed-naked-bike proportions are replaced by a compact race fairing, a tucked-in riding position and a sharply finished tail. The result is not a …

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Kawasaki ZX-10R Hayate Replica by Holey

View Kawasaki ZX-10R Hayate Replica by Holey Photo Gallery This Kawasaki ZX-10R is dressed to resemble the Hayate race machine associated with Marco Melandri, trading the road bike’s familiar identity for a compact black-and-silver race presentation. Its most immediate cues are the large number 33 on the nose, Hayate branding across the fairing and a sharply shortened-looking solo tail. A …

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Sugarland Express by Riverside Motocyclettes and Mort’M Garage

View Sugarland Express by Riverside Motocyclettes and Mort'M Garage Photo Gallery Sugarland Express is a stripped-back custom built through a collaboration between Riverside Motocyclettes and Mort’M Garage. Its design is dominated by a long, open chassis, wire wheels and a polished V-twin left almost completely exposed. Finished in Grey Mercedes 1961, the motorcycle uses restraint rather than decoration to make …

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Twisted Choppers’ Shovelheaded Kill Machine

View Twisted Choppers’ Shovelheaded Kill Machine Photo Gallery Twisted Choppers’ Shovelheaded Kill Machine is built around a deliberately low, stretched profile and a strong contrast between polished metal, deep black wheels and an orange-painted frame. The source identifies it as a Biker Build Off-winning motorcycle, while the supplied material offers no further competition details or technical specification sheet. Long, low …

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G L Special: Blue Metal, Brass Details and Exposed Craft

View G L Special: Blue Metal, Brass Details and Exposed Craft Photo Gallery The G L Special is built around visual contrast: vivid blue paint, polished metal, brass-colored hardware and a blacked-out belt drive all share the same tight package. Its long, low stance is reinforced by large, solid-style wheels and a narrow solo seat, while the exposed mechanical details …

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Speedymax Kawasaki ZX-9R: A Sharp White-and-Blue Streetfighter

View Speedymax Kawasaki ZX-9R: A Sharp White-and-Blue Streetfighter Photo Gallery Simon’s Speedymax Kawasaki ZX-9R takes an early B1 superbike in a much more compact direction. The original fairing has been replaced by Tecno-Bike’s distinctive Phantom Head unit, exposing more of the engine and front-end hardware while giving the machine a completely different silhouette. White bodywork, blue seat inserts, polished metal …

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Amen Design Hubless Monster: A Radical Long-Frame Custom

View Amen Design Hubless Monster: A Radical Long-Frame Custom Photo Gallery The Amen Design Hubless Monster is built around a single visual idea: remove the familiar wheel hub and let the tires dominate the motorcycle. Its enormous front and rear wheels, stretched chassis and flame-painted bodywork create a machine that looks closer to a mechanical sculpture than a conventional custom …

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Allmond Cycle Design T-Bob: A Ducati-Powered Bobber

View Allmond Cycle Design T-Bob: A Ducati-Powered Bobber Photo Gallery Allmond Cycle Design’s T-Bob takes the compact, stripped-back bobber idea in an unusually muscular direction. The UK-built motorcycle pairs a reported Ducati 996 engine from an S4R with oversized tires, a sharply sculpted tank and a bright red frame that leaves the mechanical center of the bike on display. Big …

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Akrapovič Full Moon Concept: An Exhaust-Shaped Custom

View Akrapovič Full Moon Concept: An Exhaust-Shaped Custom Photo Gallery The Akrapovič Full Moon Concept turns the motorcycle exhaust into its central design idea. Unveiled at the 2014 Custombike Show in Bad Salzuflen, Germany, this one-off show machine wraps a large S&S Knucklehead engine in smooth silver bodywork, with a fully exposed front wheel and a tail that narrows to …

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