Sportster Archives - BikeBrewers.com https://bikebrewers.com/tag/sportster/ Europe largest directory Cafe Racers, Scramblers, Bratstyles & other Custom Bikes. Tue, 28 Feb 2023 13:20:49 +0000 en-US hourly 1 https://wordpress.org/?v=6.5.3 UNIKAT Harley-Davidson Sportster XL883 Low https://bikebrewers.com/unikat-harley-davidson-sportster-xl883-low/ https://bikebrewers.com/unikat-harley-davidson-sportster-xl883-low/#respond Tue, 28 Feb 2023 13:20:49 +0000 https://bikebrewers.com/?p=3493 It was a cold winter day when BikeBrewers took the trip to pay a visit to the digs of UNIKAT Motorworks. It had been a visit which was long overdue.
We have been writing about Grzegorz Korczak and his team of highly skilled professionals for many years and each time he has managed to surprise us with incredible gems that rolled out of their workshop. It was a long ride to get there from the, but fortunately there was no heavy snow in Poland at the time, which made for a long but comfortable ride. Grzegroz was already waiting for us with a nice cup of coffee and local pastries, but we were in for a bigger treat.

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On a cold winter day in Wroclav

It was a cold winter day when BikeBrewers took the trip to pay a visit to the digs of UNIKAT Motorworks. It had been a visit which was long overdue.

We have been writing about Grzegorz Korczak and his team of highly skilled professionals for many years and each time he has managed to surprise us with incredible gems that rolled out of their workshop.

It was a long ride to get there from the, but fortunately there was no heavy snow in Poland at the time, which made for a long but comfortable ride. Grzegroz was already waiting for us with a nice cup of coffee and local pastries, but we were in for a bigger treat.

About UNIKAT

Grzegorz Korczak– a graduate of the Lodz Film School (trained as a cameraman), repeatedly awarded at international festivals; director of special effects (including an Oscar nomination for “Rabbit a la Berlin”). As a visual artist, he has exhibited his works in the most important museums in Poland, and thanks to his creativity and creative courage, he has collaborated with artists around the world.

Now he uses his creative skills to spoil custom bike afficionados with the magnificent fruit of his imagination.

Every machine we have been writing about is even more special than the one before. A recognizable feature of UNIKAT machines is their extraordinary appearance, taken to the limit of perfection.

A true modern day creator, Grzegorz motorcycles are designed virtually, before his colleagues start fabricating the bike in their well equipped workshop. 

It is often from scratch they start their work on a bike, turning a, sometimes decades old, machine into a true head turning piece of art.

Harley Davidson Sportster 883

This can also be said of the 2006 Harley Davidson Sportster. In just a few years it will be celebrating its 20th birthday. Gearing up for this occasion, its owner decided to let the UNIKAT team handle the intensive mechanical spa treatment.

With the coffee in our hands we walked to the showroom where the blue diamond was shining rays of light, illuminating the place and silently screaming for attention.

Gazing at the Harley we asked Grzegorz how this project came together. 

His response: “I’ve met the owner at the little event where our bikes and motorboats where presented.

He was there with his wife and they admitted that their motorcycles had been stashed away far too long in the garage, and were now covered in dust. But being confronted with our 1/1 craft and design the passion was re-sparked and they were eager to have work done on the white Sportster Low.

Two weeks after the show Piotr called me and said he could no longer resist the urge to customise his machine. He said he had no specific idea except for two factors: 

  1. he wanted his HD to be a comfortable and easy to handle ride 
  2. he wanted me to also enjoy the project and have fun

To be very honest; these are the type of clients you normally can only dream about! 

I came up with the concept of a “city scrambler” and Piotr instantly liked first digital visualisations of the new lines and shapes.

We spend some more time on choosing the perfect colour match, than we did on the design of the bike” the designer laughs. 

Continuing: “Numerous colour schemes were discussed. From all black to silver with golden pinstripes…

Finally we decided on the light-grey-blue and we added stripes and logos to perfectly match with the copperish tone of the Öhlins piggyback rear suspension.

To sum it all up; the cooperation was purest of pleasures, as Piotr was involved but trusted the professionalism of the UNIKAT team at the same time. It’s yet another client that became a friend and we are still in close in contact. Now this exactly is why I love this job so much!” he smiles broadly

Taking it all in

We took another sip of our coffee and took our time to take in the polished beauty of this bike. It is interesting to discover all the bits and pieces that have lovingly been reshaped into exquisite elements that make up the total picture.

Sportsters that leave the Milwaukee plant are nice machines, but they make even better canvas for builders who know how to mold them into an even better shape. The first thing you notice when sitting on the XL883, is the completely changed geometry of the bike. A change for the better that is.

This is largely due to structural modifications related to the use of high shock absorbers, the position of the swing arm and motorcycle drive.

Unfortunately the weather was not good enough to take the Harley out for a spin, but we are convinced the modifications will make up for a much better and sportier ride than originally designed. 

Modifications

Let’s zoom in on the most important details and enjoy the pictured elements:

Front

– spoked, custom made 19” wheel 

– Dunlop flat track tire 

– shortened front fender 

– wider and lower handlebars

– leather, hand-crafted grips 

– mo.blaze disc front turn signals from Motogadget

– classic, old-school Highsider mirrors

– LED lamp insert

– relocation of the speedometer mount and controls

– Arlen Ness accessory air filter 

Rear

– spoked custom made 18” wheel 

– Dunlop flat track tire

– new handcrafted (in-house) motorcycle frame end loop, 

– new seat made from scratch and upholstered (covered with alcantara)

– Öhlins rear suspension 39 cm long

– rear, minimalistic fender

– Bates Style LED rear lighting

– Kellermann Atto rear turn signals

– side license plate mount

– new, unique blue paint with subtle copper details

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Full Circle – The Muscle Racer 2, a Harley Davidson Sportster https://bikebrewers.com/full-circle-the-muscle-racer-2-a-harley-davidson-sportster/ https://bikebrewers.com/full-circle-the-muscle-racer-2-a-harley-davidson-sportster/#respond Wed, 22 Feb 2023 10:17:09 +0000 https://bikebrewers.com/?p=3434 Miami based Cohn Racers present their limited edition Harley Davidson Sportster XL Tracker, the Muscle Racer 2. This high-end custom features top of the line suspension, titanium parts throughout, and a CNC milled aluminium swingarm. Immense weight reductions and over a 100bhp out the engine. Do you think you can handle it?

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Setting the scene

Sometimes in life things come full circle. Allow me to sidestep and take you back. On a sunny day in November 2017, I wanted to unwind from a scientific conference I attended in Miami, Florida. Looking for shade I ended up at Brothers & Brawlers, where I found a beautiful space, an excellent cup of coffee, and an atmosphere that made me want to stay until the end of time. The gray concrete, black steel, and natural wood gave it an industrial vibe, yet the space felt light and leather seats and sofas were soft and pleasant. The helmets, accessories, and garments displayed tickled my fancy. A couple of custom motorcycles were on display. This is what most of us see in our imagination when we hear ‘man cave’. Sebastian Ramirez, owner and founder of DiRocco Eyewear, provided the finishing touch. He set up the space as a living advertisement that you could breathe, smell, and taste.

Inspiration

Next, I saw a motorcycle that planted a seed in my imagination. The seed of building a custom motorcycle (at the time I owned a practically bone stock 2010 Triumph Bonneville T100). As we talked about the space and the concept, a van pulled up. Chet and colleagues jumped out, a bike rolled in. And we ended up giving them a hand in putting it up on a platform for display. The motorcycle was a Triumph Thruxton, designed by a well-known, dapper, masked rider, the first in the Snaefell series by Cohn Racers. Little did I know that 5 years later, I would write about another series of motorcycles the Spanish-born, Miami-based builder Chet P Ilzarbe would produce.

Previously we featured their Harley Davidson XR1200X Muscle R series. Now it is time to update you about their new line, the Muscle R2. In a second part, we will give you more insight into Cohn Racers and its founder.

Background

First, some background. The Muscle R2 came out of the original Muscle R, as most racers and builders can agree: there is always room for improvement. During the production of the original Muscle R, Chet started identifying and testing these small improvements. Adapting, modifying, and testing on a motorcycle one builds for one’s own garage is part of the process. However, this is out of the question when you set yourself high standards for motorcycles you build for clients across the globe. So where can you take these improvements, and express your problem-solving skills? Correct, in a second series, the MR2. The profits from the first series were used to hire Joan Mataro and Anton. The first a mechanical engineer with a passion for motorcycles, the second a carbon fibre specialist, who worked at Scuderia Toro Rosso and Koenisegg. The remaining funds were invested in machinery, including 3D scanners, software and 3D printers. This setup allows for reverse engineering, rapid prototyping, and evaluating data. 

However, despite the improvements in the shop, the original concept remained: a Harley Davidson Sportster with real power, proper brakes, improved handling, and an elegant yet mean stance reflective of its rider. To improve the handling, the team engineered a new frame with optimised geometry for superior comfort and rideability. Secondly, increasing the power output of the engine and decreasing the weight resulted in 26% more horsepower and 22% less weight, further improving both handling and rideability.  

Frame

Again, a Sportster model provided the engine and frame as starting points. They 3D scanned both and included an additional XR1200 frame as well. Using the resulting digital mesh with millions of recorded data points, other components could be added digitally. After adding the suspension and wheels, the first prototype was simulated to test behaviour and ergonomics. Several prototypes were then printed from PETG plastic. After several iterations, they settled on a 3-piece assembly that bolts together with four M8 bolts in the front, and four M10 in the back. Master welder Josh Lewis built a welding jig to perfectly align every component prior to assembly. Thus, any alloy can be used to weld up a frame in the perfect geometry. Currently they use Titanium GR5 future MR2 owners. Using these high grade alloys results in a final frame weight of less than half of the original sportster frame. 

Weight Savings

Moreover, using Titanium throughout the bike ensures the aforementioned weight savings. The originally steel front and rear axles, head stem, and exhaust are all newly made of titanium. Even the original steel bolts are replaced with titanium bolts. A swing arm of billet cnc aluminium is a piece particularly hard to come by, usually limited to MotoGP and elite racing. Therefore, the team designed a 5-piece that is welded together and adjusted to the client’s height. It provides strength, reduces weight, and introduces just the right amount of flex. Again, digital simulation was used to finetune these parameters into the final design. 

Suspension

Further improving the handling, stock suspension is swapped out for fully adjustable Öhlins FGRT 200 series forks in proprietary cnc billet aluminium triple clamps and dual rear shocks. The spring rate and valving will be adjusted to every client’s specifications. 

Wheels & Tyres

The stock Harley Davidson hubs spoked with stainless steel and lavcd with 18×6.0 and 18×3.5 rims, give the bike a bit of a flattrack feel. Clients have a wide array of options for tyres with this configuration, yet dual sport tyres seemed to be a popular choice for the first series. Rims made of carbon fibre, titanium, and aluminium are currently under development and will be available as an option only to MR2 owners.

The Powerhouse

Driving all this forward is a 100HP power plant based on the original motor. One of the most challenging parts to engineer and manufacture is the proprietary down draft air intake system. The aluminium manifold is cnc-milled from a solid block on a 6-axis machine. Oxygen is provided via two beautiful mesh covered ducts in the front. Fuel is provided from a laser cut and bent 2mm aluminium sheet that is welded and covered with a carbon fibre shell. A small oil cooler was integrated to reduce oil temperature and the original oil tank under the seat was kept to ensure a sufficient volume in the system. On the back end of the engine are two titanium headers with pie cut bends, giving it a rainbow array of colours after multiple heating cycles, topped off by two Akrapovic exhausts. For future clients willing to trade in some reliability, the output can be increased even further.

Leatherwork

To sit atop this powerhouse, clients will have to pick their own hide for the handcrafted upholstery. The hides are sourced from Scotland and artisans then craft the seat, tank strap, and optional other parts to ensure unity throughout. This ties both ends together and shows the level of detailing that goes into these bikes!

Detailing

Carbon fibre is used throughout the build. Their inhouse specialist with an impressive background has optimised the process of impregnating carbon fibres with resin and curing it in an autoclave (think: industrial pressure cooker) to ensure the optimal resin to fibre ratio. This makes for a  very light and simultaneously very strong material. Over 20 parts on the MR2 are made this way. In our eyes, this intensive, expensive process is justified by the outcome! What a visual spectacle to observe!

Other aesthetically pleasing details are the lights and indicators. They are fully integrated into the bike. The tail, brake, and indicator lights are integrated into the fender with just two parts! All wiring is carefully hidden from sight, indicator wiring for example is integrated into the handlebars. The gauge is backlit in blue, just as the buttons, a subtle and elegant touch that improves operating them in the dark. This is another indication that the builders prioritised the rider’s point of view. The gauge displays analog revolutions and all other information digitally, keeping it clean and timeless. The front of the gauge is covered with carbon that crowns the bike with a wax mould cast, polished 24K logo. 

Last call!

Only 99 bikes will be built, according to client specifications. Most of the options that are modified inhouse are included. Adjustments will be made to the ride height, suspension stiffness and other small details that will ensure the most comfortable fit to the client. Special wishes can also be catered for. Pricing is progressive, the first one starting at $45,000 USD.
Do you want to get started? Email

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Shed-Build: Harley-Davidson Sportster 1275 by Daniel Nyland https://bikebrewers.com/shed-build-harley-davidson-sportster-1275-by-daniel-nyland/ https://bikebrewers.com/shed-build-harley-davidson-sportster-1275-by-daniel-nyland/#respond Tue, 02 Mar 2021 07:26:47 +0000 https://bikebrewers.com/?p=1903 Long runner The Harley-Davidson Motorcycle company is one of the world's oldest motorcycle manufacturers. One of the company’s most successful models has got to be the Sportster, which has been produced continuously since 1957. There have been countless different Sportster models, however, all of them had a 45-degree air-cooled V-twin engine and a softail. The [...]

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Long runner
The Harley-Davidson Motorcycle company is one of the world’s oldest motorcycle manufacturers. One of the company’s most successful models has got to be the Sportster, which has been produced continuously since 1957. There have been countless different Sportster models, however, all of them had a 45-degree air-cooled V-twin engine and a softail. The long production run makes the Sportster one of the most popular motorcycles out there that are being modified by owners. And why not? Aftermarket parts are sold in abundance and in a wide variety of prices. People that own a Harley Sportster really love their bike. For a very long time, it was also the most affordable Harley-Davidsons on the price list. It is the VW Beetle of motorcycles.

Minimalistic
Daniel Nyland is an Arizona based engineer that loves to work on motorcycles in his spare time. He grew up riding dirt bikes and ATVs, and this particular Harley-Davidson was his first street motorcycle. The 1991 Sportster was sourced fairly cheap, which was great because that meant money could be spent on modifying it. Daniel feels that people often talk a lot of smack about Sportster, which is a load of nonsense because they are a blast to ride. We wholeheartedly agree with him on that point.

Inspiration for this build cannot be pinpointed to one specific moment or event, but rather a combination of various ideas. Daniel likes café racers and bobbers, so some influence was drawn from those. Many hours were spent on the internet looking at bikes and trying to figure out what would look badass. Going minimalistic was on the table, and it didn’t take long before all non-essential parts were removed, and the bike was stripped down to its bare bones. The engine had to be the centerpiece and everything else had to flow from there on.

Flow
Daniel believes that there are three major aspects to a well build motorcycle: the engine, the frame, and the bodywork. Each has to flow well with itself, but they all have to work with each other as well.  The look of bare metal and seeing the grains and imperfections that are normally covered up by a traditional paint job, are what make Daniel’s heart pump faster. So, he wanted all the tins to be bare and add some hand drawn sketches to break it up as well as add some unique character to the bike. He knew he wanted the engine-case to be a semi-gloss black, with the covers and starter being raw metal grey, accompanied by a bitchin’ stainless steel 2-2 exhaust.

As with most builds, there were some challenges during the process. Assembling and disassembling the bike multiple times, making sure that everything was the way Daniel wanted it was one of those pains. All to make sure that in the end, he would realize that he should have done it differently. “When you look at the gorgeous creations from the pro builders you don’t understand the amount of foresight that goes into building a quality bike until you’re doing it yourself.”

Serious upgrades
Some of the work was done by a local shop called “Bloody Knuckle”. They helped out with some of the welding on the frame as well as creating the rear fender. Hammer Performance supplied the motor kit as well as reworking a set of 2007 heads. Everything else was done by Daniel himself.

What modifications are made and what parts were used?

  • Bare Knuckle Choppers hardtail kit
  • Black powder coat spoked wheels
  • Custom speedo mount
  • Vertical oil tank
  • Blackbird fuel tank w/ integrated fuel sight
  • Custom rear fender
  • V-rod style headlight cowl
  • Chainsikle rearsets
  • 1275 kit from Hammer Perf w/ reworked 2007 heads
  • HP560 cams
  • CV40 performance upgrades
  • RXC velocity stack
  • EMD primary cover
  • Custom SS exhaust w/ internal ceramic coat
  • Dyna 2ki ignition w/ Dyna coils
  • Trimmed cam cover
  • Cognito Moto GPS Speedo
  • Custom coil mount
  • Antigravity battery
  • Tokico front caliper conversion
  • Progressive Suspension lowering springs
  • Custom electrical box hidden underneath battery tray

Results
It is incredible to see that everything flows perfectly together, especially the subtle brass accents that help tie everything together.  The Sportster rides like a beast, with the Hammer Performance kit hitting hard and pulling long. It’s loud, low, and without a doubt terrorizes the quiet suburban street of Arizona. If there is one thing that Daniel learned from this experience, it is that anyone can do this. Building a motorcycle is an amazing experience and everyone’s motorcycle should be an extension of themselves. Hear, hear!

Builder details:
Daniel Nyland
Instagram

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