Speed Read An Understated Triumph Bonneville Bobber By Heiwa And More

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Our weekly offering of custom motorcycle news features three modern classics from different parts of the world. Japan’s Heiwa MC delivers a handsome Triumph Bonneville bobber, Ireland’s Medaza Cycles customizes the Royal Enfield Shotgun 650, and Germany’s Woidwerk serves up a pair of modern BMW boxer customs.

Triumph Bonneville T100 by Heiwa Motorcycle Kengo Kimura never misses. The founder of Japan’s Heiwa MC is a regular fixture on Bike EXIF, consistently impressing with the elegant custom machines that he creates.
This bobbed 2000-model Triumph Bonneville T100 is Heiwa’s latest project. From its slammed stance to its svelte bodywork and understated finishes, it’s a tasteful take on the carbureted Bonneville platform.

There’s hardly an inch of this Bonnie that hasn’t been nipped and tucked. A handmade fuel tank sits up top, sporting a tapered design that teases the lines of classic Sportster peanut tanks. Just behind it, the subframe’s been rebuilt with a shorter and lower design.
Heiwa shortened the front forks and upgraded the springs, and swapped out the rear shocks for a pair of Kayaba units. New rims were laced to the stock hubs with stainless steel spokes. Measure 19 inches up front and 16 inches at the back, they’re wrapped in vintage-style sawtooth tires from Adlert.

The tail end of the bike also features neat handmade struts that connect to the redesigned shock mounts, holding the rear fender and turn signals. The custom-made seat reflects the fuel tank’s triangular form while interfacing neatly with the fender. A signature Heiwa taillight finishes off the back-end of the bike.

Heiwa removed the Bonneville’s airbox, opting for pod filters mounted to Keihin CR carbs. The side covers are gone too, with a custom-made electronics box tucked away below the seat. Stacked drag-style exhausts hide internal baffles, while slim handlebars and a small Bates-style headlight keep the cockpit tidy.
Finished off with paint by N2 Auto and graphics by Lou Peace Design, Heiwa’s Bonneville bobber is perfectly proportioned and effortlessly cool. Then again, we’d expect nothing less from Kimura-san. [Source]

Royal Enfield Shotgun 650 by Medaza Cycles Earlier this month, scores of enthusiasts descended on West Sussex for the annual Goodwood Festival of Speed. Royal Enfield was in attendance with four custom bikes based on the Shotgun 650: Kingston Custom’s Kingsman, Sure Shot’s Samurai, Icon’s Always Something, and this new build from Ireland’s Medaza Cycles, dubbed the Sawn-Off Shotgun.
The Medaza team consists of artist and designer Don Cronin, with Mick O’ Shea and Chris Harte holding up the mechanical and engineering side of the business. With two AMD World Championship wins under their belt, Medaza was tasked with building something “radical but very rideable,” since they’d be piloting the Royal Enfield Shotgun 650 up the hill at Goodwood.

Don envisioned a mash-up between traditional chopper and sportbike concepts—an unlikely combination that somehow works. The Royal Enfield’s upside-down Showa forks were matched to a custom-built rigid rear triangle, and the wheels were swapped for 19F/18R spoked hoops. The updated rear end also includes a custom brake mount, and an inner fender that can be moved back and forth, to maintain even spacing with the wheel when the chain tension is adjusted.
The bike’s sculpted bodywork is all handmade, from the headlight nacelle through to the tank, tail, and side panels. The silver flake paint is a nod to chopper styling, while the lines of the bodywork recall classic Japanese muscle bikes. But where Medaza’s talent really shines through is in the countless handmade parts that are sprinkled all over this machine.

There are obvious highlights—like the twin stainless steel shotgun pipes and the elegant heat shields that adorn them, and the unique air intake. But there are also finer details that showcase the workshop’s artistry.
Medaza’s touch can be seen on the intricate gas cap latch, fender stays, and radiator mounts, plus the billet aluminum foot controls and rear master cylinder bracket. The front sprocket cover is a work of art, as are the mesh panels that fill the gaps between the fuel tank and steering neck, and the custom engine mounts.

Those touches are reflected in one of the Enfield’s neatest details—its custom taillight assembly, which houses a pair of stacked LEDs.
Like everything else Medaza fabricated for the Shotgun 650, it rides the line between art and engineering beautifully. [Source]

BMW R12 and R18 by Woidwerk Dubbed ‘The Speed Sisters,’ these two BMW boxers were created for BMW Motorrad by Ralf Eggl of the Bavarian custom shop Woidwerk. With a brand new 1,170 cc BMW R12 and 1,802 cc BMW R18 in hand, Ralf set out to create a pair of bikes that, while they aren’t identical, certainly look like siblings.
The two BMWs wear near-identical liveries and trim, with subtle differences separating them. Each features a headlight fairing tailored to its specific proportions, plus a strip on the tank that was CAD-designed, 3D-printed, and wrapped in Alcantara. Matching leather and Alcantara upholstery adorns the seats.

The BMW R12 [above] sports a trimmed tail section, with a custom cowl and Kellermann turn signals. A Wilbers shock lifts the rear by 15 mm, while new bars and modified foot pegs fine-tune the riding position.
The BMW R18 [below] required a little more heavy lifting. Woidwerk raised and narrowed the fuel tank, then fabricated a floating seat support that ends in a waspish rear cowl. Hidden from view is a Wilbers shock with a 20 mm lift.

The R18 gets an additional performance boost, courtesy of the braking system from a BMW R 1300 GS.
Both bikes are finished off with blacked-out exhaust systems from Hattech, terminating in matching slash-cut mufflers. All of the brackets and smaller bits and pieces that tie everything together were either CNC-machined or 3D-printed.

Finally, the shared color scheme is a nod to the Bavarian forests surrounding Ralf’s workshop. The design features a deliberate 75/25 split between the amount of white and green used—a cheeky reference to the region’s long winters.
“As we say here: Three-quarters of the year is winter, and the other quarter is cold,” says Ralf. “That’s the Bavarian Forest.” [Source]



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