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Custom of the Week: ‘TW Steel Tempest Fury’ by Partridge Designs




It’s often said that owners are like their dogs, I’ve seen enough combos to be in agreement.

The same is also true for some bike builders. Anthony Partridge is a feisty dude with more energy packed into his squat frame than a classroom full of over Haribo’d toddlers. Not surprising then that this fire breathing drag bike is what rolled off his bench at Goblin Works Garage when Dutch watch brand TW Steel asked for a collab build.

TW Steel’s Auke Possel knew what he was in for though, telling us “We met at Wheels & Waves some years ago when Anthony showcased his Yamaha XV950 Playa del Rey. Riding this stunning machine around the mountains, we had a good time sharing ideas and just having fun. Appreciating Anthony’s crazy ideas and fearless attitude, we knew we were going to join forces at some point. So when we wanted to build a beast to complement our previous beauties, there was only one man I could think of.”

While the TW Steel horologists set to work designing a new 48mm Maverick timepiece to accompany the collaboration Partridge took delivery of a highly acclaimed Yamaha MT10, and promptly ripped it to pieces. The MT doesn’t exactly lend itself as an obvious donor for a traditionally styled custom, which is handy as Partridge isn’t one for following the herd. Instead a full composite body was made, including the aero nose section, mimicking a carbon girder fork which this build budget and timescale didn’t allow for. Well known Brit paintshop Image Design Custom took care of the graphics and matt graphite finish.

Partridge is no wilting wallflower and likes to impart his exuberant personality on the mechanicals of a project rather just tart-up a bike for the cameras, he wanted the already powerful 1000cc cross plane cranked four-banger to pack proper punch on the on the drag strip. After all, TW Steel work with properly fast folk such as Mick Doohan, Valentino Rossi, Emerson Fittipaldi and David Coulthard, so the Tempus Fury needed to top the time sheets. Extreme Creations from Australia shipped a turbo kit specifically developed for the MT10, hiking power to a proven 202 hp, running just 7 psi of boost. There’s plenty of room for scary figures with a few tweaks as the kit runs its own oil scavenge system to feed the ball bearing 320 hp Garrett turbo. PCR Performance dialled-in the conversion on their dyno confirming the numbers, so any excuses now are all the rider’s.

Seeing as the first few meters of a drag race are the most critical getting the power transmitted to the Tarmac is key for a decent 1/4 mile time so Nottinghamshire based GIA Engineering were called-in to fabricate a new extended swingarm. Super lightweight Boost carbon wheels by Rotobox from Slovenia look damn sexy and shed a bunch of unsprung weight – every gram counts when trying to defy gravity. Sticky Shinko Hook Up drag tyres are as soft a compound as is road legal and should last a whole day – at least.

The rear shock needed a huge range of adjustability as Partridge was in relatively new territory with a machine sporting this spec and geometry. An Öhlins TTX GP was chosen, not only for the obvious quality and alignment with Yamaha’s racing operations but also the easy access to a plethora of alternative springs – and technical support. When we spoke to Partridge recently he’d been experimenting with pull-down straps for the forks to eliminate see-sawing under hard acceleration.

Hopefully Tempus Fury will remain upright as Partridge attempts to dip below 9 seconds for the 1/4 mile but should he throw the thing on its side Rizoma engine protectors should save the expensive and un-repairable bits. Clipons, levers, pegs and the fuel cap are also from the same fat catalogue, fastened by Pro-Bolt hardware. Without much testing Partridge and the TW Steel team headed to Wheels & Waves to compete at the Punks Peak hill climb. With a kinked course, lined with barbed wire and complete with a stream running across the damp Tarmac Tempus Fury held its own against seasoned competition. Now back in Blightly we look forward to joining Partridge and seeing the bike do a proper straight run, fully dialled-in.

TW Steel’s commitment to their Son of Time collaborations with some of Europe’s top builders looks to be gathering real momentum and there are already more bikes on benches, but this effort from Anthony Partridge is one of the boldest yet.

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Custom of the Week: Yamaha SR500 ‘Scrambler’ by Daniel Peter




SCRAMBLERS ARE A HOT TOPIC. Build one, and you’re sure to be judged solely by how well equipped it is for hardcore off-piste use.

But that’s not all that scramblers are about. Daniel Peter compares his latest build to his childhood BMX—and it’s pretty much how we feel about modern-day scramblers too.

“When I was four years old, my BMX bike became my life,” he explains. “It was so simple, yet so fun. Just wheels, pedals and brakes. I’d ride it to the beach, jump a few curbs along the way, race my friends. Those were the good days.”

“30 years later, I set out to build a motorcycle based on the same principles. There’s nothing on this bike that doesn’t need to be there. It has wheels, a punchy engine and great brakes. I didn’t even put a speedo on it, because I never looked at the one on my last bike.”

Daniel works as a photographer in Chicago, but wrenches during the winter to keep his passion for riding alive. He keeps a workshop in Chicago’s Logan Square neighborhood, outfitted with a tool cabinet, a welder, and a 1940s South Bend lathe.

This 1978-model Yamaha SR500 is the fourth Yamaha 500 he’s built to date. “It’s the most simple, yet the most thorough, of the bunch,” he says.

The motor’s been bumped to 540 cc, with a grocery list of go-fast bits that includes a lighter XT500 crank, a new piston from JE and a Megacycle cam for better torque down low.

R&D valve springs with titanium caps, a Powerdynamo ignition and a high-flow oil pump from Kedo round out the package.

Hoos Racing refreshed the crank and cut new valve seats for Daniel, but he tackled the rest of the rebuild himself. Every single bearing and seal was replaced along the way too. As for the carb, it’s been swapped out for a 39 mm Keihin FCR flatslide number, fed by a fat K&N filter.

The exhaust system is a combination of a custom made stainless steel header, and a Cone Engineering muffler.

The SR rolls on 17” supermoto wheels, borrowed from a KTM (front) and a Honda CRF450 (rear). They’re wrapped in Pirelli MT60 Corsa tread; a 120 up front, and a chunky 160 on the 5” rear rim. (“It juuust fits,” says Daniel.)

The brakes have been upgraded with a mix of Brembo and Beringer parts, with an RCS 14 radial master cylinder up front.

On top is an aluminum Yamaha XT500 fuel tank, wrapped in a paint scheme “inspired by an unforgettable riding trip through Baja.” Just behind it is a new saddle from MotoLanna, with a new kicked-up subframe loop.

It’s just about spring in Chicago, so Daniel must be itching to rack up the miles on his SR500. And we’re betting it’s going to be impossible to get him off it.

A version of this article first appeared on Bike Exif. It’s republished here with permission.

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Icon claim back the streets in their latest, epic video



Street’s Not Dead.

Regular readers will know that we eagerly await anything released from the US streetwear firm Icon Motorsports. So the moment that a video drops from the Portland firm we’re bound to pay attention.

That’s an interest piqued double when they post it alongside what is essentially a call to arms…

“Street’s not dead. If you think it went away, you’d be wrong. Street’s still here undermining pompous authority, rejecting standards, and bucking the status quo..”

And they’re not kidding either. With the Icon clad rider thrashing their Kawasaki ZX-10R through city streets, car parks and even a public fountain at one point, there’s a lot to take in.

Couple that with their usual loud, Icon style and you’ve certainly got a statement of intent.

(Don’t try this at home kids).



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