Speed of Color

Country Germany

Model H-D V-Rod

Style Muscle

La entrada Harley-Davidson Night Rod SOC by Speed of Color aparece primero en DARK KUSTOM.

Speed of Color

[email protected]

Country Germany

Model Buell

Style Racer

• Model: Buell XB12S model year 2008
• Engine: 45 degree V, 1203 cc Thunderstorm
• Air filter: K&N air filter system
• Exhaust / silencer: Free Spirits RS 408 with self-made tailpipes
• Tank/ air box: SOC air box cover “Storm”
• Rear wheel rim: Original rim widened to 6.25″ x 17″
• Pulley wheel: Rizoma
• Tyres: Front: 120/70 ZR 17, rear: 200/50 ZR 17
• Tail conversion: Self-made with tail light of the Yamaha R1 RN32
• Seat: original bench reupholstered
• Front Fender: MV Augusta Brutale 800 Dragster
• Cockpit: Koso DB03
• Handlebar: original Buell 1125 CR Superbike
• Indicators: front Rizoma, rear Motogadget M Blaze Pin
• Mirror: FAR Viper rebuilt
• Fork: 47er original Buell 1125 black matt anodized and powder-coated feet
• Fork bridge: original Buell 1125 CR
• Rests: Rizoma footrest system
• Brakes: front 8 piston ZTL2, rear hidden brake with Brembo P32 caliper and ABM pump with integrated reservoir
• Fairing: SOC cup fairing incl. front spoiler, SOC windshield, SOC splash guard
• Headlight: original Buell 1125 CR
• Rear swingarm: XB2 from Ullysses
• Pulley Cover: RRC Pulley Cover
• Extras: frame and attachments as well as rear rim black matt powder coated, front rim shock absorber (Bitubo), rear spring mirror arms and front fender side parts neon green, license plate holder Rizoma Sidearm from the Ducati Monster with self-made swing arm holder
• Paintwork/coating: Painted parts foiled.

La entrada Buell XB ‘Cup Edition’ by Speed of Color aparece primero en DARK KUSTOM.

The Buell X1 Lightning Racer “Thunderstorm” by Speed of Color is a striking fusion of American V-twin performance and precision European custom engineering.

Based on the legendary Buell X1, this build enhances the bike’s raw racing DNA while refining every detail for improved performance, handling, and visual impact.

At the core of this custom Buell lies an upgraded engine featuring “Thunderstorm” cylinder heads combined with the OEM fuel injection system, delivering sharper throttle response and increased power. Breathing is optimized through a Forcefinder air filter and a dedicated engine breather kit, while a Buell Race muffler paired with a 2.5-inch race manifold provides an aggressive sound and improved exhaust flow true to the Lightning Racer character.

The drivetrain and wheel setup emphasize both performance and stance. The original rear rim has been widened to 6.25 x 17 inches, allowing the use of a massive 200/50 ZR17 Metzeler Sportec M5 rear tire, matched with a 120/70 ZR17 front tire on Performance Machine (PM) rims. A revised original pulley and a redesigned drive sprocket with a CNC-machined cover ensure durability, alignment, and a clean mechanical finish.

Handling and suspension are a major focus of this build. The front fork features anodized fork tubes with DLC-coated sliders and progressive AST springs, offering improved responsiveness and control. These are paired with a custom RRC fork bridge, featuring triple clamping below and double clamping above, with adjustable wheel trail for precise geometry tuning. At the rear, an AST shock absorber provides full 3-way adjustability, including high- and low-speed compression and damping travel.

Braking performance matches the bike’s increased power and agility. Both front and rear are equipped with Braking Wave discs, supported by SM brakes, steel braided brake lines, and distinctive PAZZO brake and clutch levers in white, delivering excellent feel and consistent stopping power under aggressive riding conditions.

The rear section is unmistakably Speed of Color. A SOC custom rear part with integrated rear light creates a clean and modern silhouette, complemented by a handcrafted SOC leather seat. Rider ergonomics are enhanced with LSL rear controls, while the cockpit features an LSL Fatbar handlebar (28.5 mm) in carbon, fitted with Rizoma Sport Line grips for a premium tactile feel.

Visually, the bike stands out through its cohesive design and premium finishes. The SOC “Lightning” engine spoiler reinforces the racer identity, while the V-Rod headlight mounted in a CNC-milled GSG lamp holder adds a bold, modern front profile. Additional highlights include the RRC pulley cover, OEM swingarm with custom coating, and a range of exclusive extras such as the 99-look tank cover with integrated tank strips, SOC point cover, GSG brake expansion tank, one-off ignition lock holder, and GSG belt tensioner.

The paintwork and coating by Speed of Color tie the entire build together. The tank, frame, rims, and swingarm are specially coated, while numerous components are powder-coated and laser-engraved, emphasizing the craftsmanship behind every detail.

The Buell X1 Lightning Racer “Thunderstorm” by Speed of Color is more than a custom motorcycle—it is a refined performance machine that honors Buell’s racing heritage while pushing it into a modern, highly engineered custom form.

Buell parts

• Engine: upgrade “Thunderstorm” cylinder heads, fuel injection
• Air filter: Forcefinder
• Exhaust / muffler: Buell Race muffler with 2.5 inch race manifold
• Carburettor: OEM injection
• Engine breather: engine breather kit
• Rear wheel rim: Original rim widened to 6.25″ x 17″
• Pulley wheel: Original pulley revised
• Tyres: Metzeler Sportec M5 – Front: 120 / 70 ZR 17, Rear: 200 / 50 ZR 17 on PM rims
• Drive Sprocket: Sprocket redesigned with CNC machined cover
• Rear part / seats: SOC rear part with integrated rear light, SOC leather seat
• Front fender: standard
• Handlebar: LSL Fatbar handlebar 28.5mm in carbon, Rizoma grips “Sport Line”
• Fork: Fork tubes anodized/slider tubes DLC coated, progressive AST springs
• Fork bridge: RRC fork bridge with triple clamping below and double clamping above, custom-made with adjustable wheel trail
• Shock absorber: AST shock absorber, 3-way adjustable (high/low speed compression & damping travel)
• Footpegs: LSL rear controls
• Brakes: front and rear Braking Wave discs, SM brakes steel flex lines, PAZZO brake and clutch levers in white
• Engine spoiler: SOC engine spoiler “Lightning”
• Headlight: V-Rod headlight with milled GSG lamp holder
• Rear swingarm: OEM coated
• Pulley Cover: RRC Pulley Cover
• Extras: Tank cover 99 look with integrated tank strips, SOC point cover, GSG brake expansion tank, ignition lock holder (one-off production), GSG belt tensioner
• Paintwork/Coating: Paintwork by SOC; Tank, frame, rims and swingarm specially coated; various parts powder-coated and laser-engraved

La entrada Buell X1 Lightning Racer ‘Thunderstorm’ by Speed of Color aparece primero en DARK KUSTOM.

The Buell S1 1998 “Thunderstorm” by Speed of Color is a radical reinterpretation of one of the most raw and characterful American naked bikes ever built.

Known for its aggressive stance and torque-rich V-twin, the Buell S1 becomes something truly special in the hands of Speed of Color (SOC)—a machine that blends performance engineering, high-end materials, and unmistakable custom design.

At the heart of this build is a fully rebuilt engine featuring the legendary “Thunderstorm” cylinder head upgrade, significantly improving airflow and power delivery. Performance is further enhanced with a Mikuni HSR 42 carburetor conversion, paired with a Forcefinder air filter and a dedicated engine breather kit, ensuring crisp throttle response and optimal engine breathing. The sound and attitude are delivered through a race-spec carbon exhaust silencer, perfectly matching the bike’s aggressive nature.

Power is transferred to the ground through a heavily revised drivetrain. The original rear rim has been widened to 6.25 x 17 inches, allowing for a massive 200/50 ZR17 Metzeler Sportec M3 rear tire, while the front runs a 120/70 ZR17 Metzeler Sportec M3, offering excellent grip and balance. A 6 mm offset drive sprocket with a CNC-milled one-off cover ensures proper alignment, while the revised original pulley wheel maintains reliability with improved performance.

The chassis and suspension setup reflect a clear focus on handling precision. The bike features a Metmachex aluminum swingarm, combined with a fully adjustable AST rear shock absorber offering independent high- and low-speed compression adjustment as well as rebound damping. At the front, the forks are upgraded with DLC-coated slider tubes, anodized fork tubes, and progressive AST springs, all held together by a custom RRC fork bridge with triple clamping below and double clamping above, allowing adjustable wheel trail for fine-tuned handling.

Braking performance has been significantly upgraded to match the bike’s power. The front end now runs a double disc conversion with Braking Wave discs, while the rear also features a Braking Wave disc paired with a 4-piston brake system. Steel braided lines, SM brakes, and PAZZO brake and clutch levers provide excellent feel and control under aggressive riding conditions.

The rear section is unmistakably SOC. A Speed of Color rear part with an integrated double rear light in “shark nose” design gives the bike a sharp and futuristic look. This is paired with a custom SOC leather seat featuring a laser-engraved motif, blending craftsmanship with modern detailing. The riding position is completed by LSL rear controls, an LSL Fatbar handlebar (28.5 mm), and discreet Kellermann handlebar-end indicators at the front.

Visually, the bike stands out through its extensive use of premium finishes and materials. The paintwork by Speed of Color is complemented by real carbon fiber elements on the fuel tank, rocker box rings, inspection covers, and oil tank. The frame, rims, and swingarm are specially coated, while the exhaust manifold and silencer are finished in black. Numerous components are powder-coated and laser-engraved, including details such as the SOC Pointcover, RRC pulley cover, and GSG brake reservoir.

The Buell S1 “Thunderstorm” by Speed of Color is not just a custom motorcycle—it is a high-performance, design-driven statement. It perfectly combines American V-twin muscle with German engineering precision and bespoke craftsmanship, resulting in a machine that is as thrilling to ride as it is to admire.

Buell parts

• Engine: “Thunderstorm” cylinder heads upgrade, engine rebuild
• Air filter: Forcefinder
• Exhaust / silencer: Race silencer carbon
• Carburettor: Conversion to Mikuni HSR 42 carburettor
• Engine breather: engine breather kit
• Rear wheel rim: Original rim widened to 6.25″ x 17″
• Pulley wheel: Original pulley revised
• Tyres: Metzeler Sportec M3 – front: 120 / 70 ZR 17, rear: 200 / 50 ZR 17
• Drive sprocket: 6mm offset sprocket with CNC-milled cover (one-off production)
• Rear part / seats: SOC rear part with integrated double rear light “shark nose”, SOC leather seat with laser motif
• Front fender: standard
• Cockpit: –
• Handlebar: LSL Fatbar handlebar 28.5mm
• Indicators: Front: Kellermann handlebar end indicators
• Mirror: –
• Fork: Fork tubes anodized/slider tubes DLC coated, progressive AST springs
• Fork bridge: RRC fork bridge with triple clamping below and double clamping above, custom-made with adjustable wheel trail
• Shock absorber: AST shock absorber 3-way adjustable (high / low speed compression & damping travel)
• Footpegs: LSL rear controls
• Brakes: Conversion to a double disc system at the front with Braking Wave discs and a 4-piston brake system at the rear, Braking Wave brake discs at the rear, SM brakes, steel flex lines, PAZZO brake and clutch levers
• Engine Spoiler: –
• Headlight: V-Rod headlight with custom V-Rod lamp holder
• Rear swing arm: Metmachex aluminum swing arm
• Pulley Cover: RRC Pulley Cover
• Extras: SOC Pointcover, GSG brake reservoir
• Paintwork/Coating: Paintwork by SOC; Tank, rocker box rings, inspection covers and oil tank covered with real carbon; Frame, rims and swingarm specially coated; Manifold and exhaust black coated; various parts powder-coated and laser-engraved.

La entrada Buell S1 1998 ‘Thunderstorm’ by Speed of Color aparece primero en DARK KUSTOM.

Speed of Color

[email protected]

Country Germany

Model Buell

Style Racer

Engine:  upgrade “Thunderstorm” cylinder heads, injection
Air filter:  Forcewinder with stainless steel motor ventilation
Exhaust / muffler:  Pro-Race manifold, Pro-Race muffler, front exhaust bracket
 Attachments : tank cover with integrated strips, windshield production (carbon)
Rear wheel  rim : Wide tire conversion to 200×6.25 inches
Pulley wheel:  61 pulley revised, front pulley with 6mm offset 
 Rear part / seats: short metal rear conversion with license plate holder, LED rear light (Snake)
Front fender:  carbon
Cockpit:  digital speedometer with LED control lights (Motoscope / Motosign)
Handlebar:  Magura 28mm, grips BUELL
Blinker:  LED-Kellermann blinker white rear and front
Mirror:  RRC Underhand

Fork:  original
Fork bridge:  milled upper fork bridge and fitted with Magura handlebar clamps
Strut:  original
Notches:  CNC notches
Brakes:  Wave double disc at the front – Wave disc at the rear, steel braided lines for rear brake and housing ventilation, PAZZO brake and clutch cable
Engine spoiler:  one-piece
Headlights:  Arizona dual headlights
Rear swing arm:  original
Pulley cover:  RRC front pulley cover
Extras:  Ignition lock integrated in the frame, SOC ignition cover, heel guards custom-made, frame caps
Painting / Coating:  Painting by SOC Complete painting with airbrush, frame – swing arm – triple clamps and engine cover powder-coated, painted rims and with light-effect lettering

La entrada Buell X1 Lightning Custom “Shelby” by Speed of Color aparece primero en DARK KUSTOM.

Speed of Color

[email protected]

Country Germany

Model Buell

Style Racer

• Modell Buell XB9R Modelljahr 2004 – Umbau auf XB-S
• Motor Aufrüstung „Thunderstorm“ Zylinderköpfe, Einspritzung
• Luftfilter K&N, Luftfilter-System
• Auspuff / Schalldämpfer Sebring Schalldämpfer
• Hinterradfelge Original schwarz beschichtet
• Pulleyrad Original
• Heckteil / Sitze SOC Heckteil XB-Line
• Frontfender Original
• Cockpit XB-S Modelle, Handyhalterung
• Lenker LSL Lenker streetbar flach 22mm, Rizoma Griffe SPORT
• Blinker LED
• Spiegel Lenkerenden-Spiegel
• Gabel Original
• Gabelbrücke Original
• Federbein Original
• Rasten LSL Rastenanlage
• Bremsen PAZZO Brems- und Kuplungshabel
• Motorspoiler Original
• Scheinwerfer XB-S Modelle
• Hinterradschwinge schwarz beschichtet
• Pulleyabdeckung Original
• Extras SOC Tankcover STORM, SOC Lufteinlass rechts, SOC Windschild STORM, MOTUL ÖL
• Lackierung/ Beschichtung Lackierung in schwarz matt mit Motul Logos

La entrada Buell XB9R ‘Motul’ by Speed of Color aparece primero en DARK KUSTOM.

The Buell 1125CR ‘Cup Edition’ by Speed of Color is a radical custom motorcycle that takes the aggressive personality of the original 1125CR and pushes it much further.

Speed of Color has created a streetfighter that looks purposeful, muscular and absolutely unique, combining performance upgrades with race-inspired design. The result is a motorcycle that feels exclusive and instantly recognizable, especially thanks to its matt black, anthracite and red color scheme.

At the heart of the build is the powerful liquid-cooled 1125cc Helicon® V-twin engine, famous for strong torque delivery and sharp throttle response. Performance is enhanced with a K&N high-flow air filter system that helps the engine breathe more efficiently, while the HPE muffler delivers a deeper and more aggressive exhaust note. These changes give the Cup Edition a more responsive character and emphasize real-world riding performance rather than just appearance.

The visual identity of the bike is dominated by Speed of Color bodywork. It features the SOC “Storm” air box cover, the distinctive SOC cup fairing with front spoiler, and a matching SOC windshield. At the rear, SOC installs its “clean” rear section with integrated license plate lighting, paired with an adapted Buell XB-S seat. The paintwork is another highlight, finished in matt black, anthracite and red, with the design and lettering fully painted instead of relying on decals, underlining the craftsmanship of the build.

Chassis modifications also play an important role in the Cup Edition’s stance. The original rear rim has been widened to 6.25 x 17 inches and is fitted with a massive 200/50 ZR 17 Metzeler Sportec M1 rear tire, while the front uses a 120/70 ZR 17 tire of the same model. The motorcycle uses Buell XB-S rear struts with an adapter kit and adjusted rear components, giving the bike a broader, more powerful rear profile while maintaining the dynamic handling characteristics that Buell is known for. The fork, swingarm, pulley and pulley cover remain standard, preserving the structural integrity of the original chassis.

Rider controls are upgraded to improve both ergonomics and aesthetics. The bike features a Buell M handlebar of 28.5 mm, PAZZO brake and clutch levers, and a CNC-milled FREE SPIRITS footrest system. A Rizoma rear brake reservoir adds another premium touch. The cockpit itself stays mostly standard, retaining the functionality and clarity of the original Buell instruments while the new controls enhance riding feel.

Modern lighting technology is integrated into the design. The Cup Edition is equipped with front LED Pen-Head indicators and Kellermann Rhombus DF indicators at the rear, which also include brake and parking lights. The rear license plate light is elegantly integrated into the SOC tail. Subtle details like rim lettering complete the visual package and reinforce the impression that this machine is a carefully finished premium custom build.

In conclusion, the Buell 1125CR “Cup Edition” by Speed of Color represents an impressive fusion of American performance engineering and European custom design. It delivers a striking streetfighter look, a wider and more aggressive stance, quality components and unmistakable paintwork. This is not just a modified motorcycle; it is a distinctive statement piece for riders and collectors who want something rare, powerful and visually bold.

La entrada Buell 1125CR ‘Cup Edition’ by Speed of Color aparece primero en DARK KUSTOM.