ABOUT THE SR1
Billet aeronautical grade 6061 and 7075 T6 is used for most of the parts like the front and rear frame blocks, engine supports, under seat or headlight, while 4130 steel is used for the frame tubes and single sided swingarm.
The air box, gas tank and rear seat are hand crafted in aluminum sheet.
We engineered the compression shock absorber under the engine, another innovative solution and left its fabrication to EMC.
Feeding the V2 is left to 2 flat side carburetors located underneath the air box with the air cleaner inside the front block. The rear block serves as engine support, oil tank and support of the rear wheel and shock absorber axles.
MORE DETAILS
Elements such as the 17-inch Marchesini wheels, CNC-machined fork yokes, and alloy swingarm allow for shedding extra weight, but the SR1 doesn't just lose fat, it also gains muscle. In its original form, the Buell engine produced 101 hp. Jimmy Messina boosts it with two 39 mm Keihin FCR carburetors, high-flow filters, and a homemade 2-into-1 exhaust system fitted with an SC-Project muffler for a bit more punch.
With such a radical approach to an American black horse, RD Kustom & Design makes the SR1 stand out even more with angular aesthetics. From the diamond-shaped headlight cluster to the two-tone airbox/fuel tank combo to the pointed rear loop, the shape of the custom roadster not only follows its function but also evokes emotions. This harmony of style and substance immediately captured the public's attention.
The frame is constructed using aerospace-grade aluminum and comprises of a double tubular steel beam made of 25cd4s steel, combined with front and rear aluminum 7075 t6 "blocks".
The lightweight frame enhances both weight savings and rigidity by utilizing the 1200 cc V-twin as a stressed component. To reinforce the front, a 51mm Marzocchi fork and Brembo braking system are utilized, while the rear shock absorber is custom-designed by French suspension specialists EMC.
SPECIFICATIONS
ENGINE AND TRANSMISSION
Engine : 45° V2
Displacement : 1200 cc
Power : 101 bhp@ 6200 rpm
Torque : 90 ft-lbs @ 5600 rpm
Carburators : 2 x Keihin FCR 39mm with flat valves
Primary Transmission : 2" belt + dry clutch
Secondary Transmission : Chain
Ignition : Electronic Twintech 1005s ex
Lubrication : Pressurized with oil tank
RD Kustom & Design + SC Project
Exhaust : RD Kustom & Design + SC Project
CHASSIS
Frame Type : 25CD4S dual steel tubes, Billet 7075 T6 AL blocks
Swingarm : 25CD4S single sided
Rear Shock : EMC 62mm displacement, compression
Front Brakes : Brembo 330 mm discs with 4 pistons radial calipers
Rear Brake : Brembo 245mm disc with 2 pistons caliper
Wheels : Jonich
DIMENSIONS AND CAPACITIES
Dry Weight : 196 kg
Seat height : 810 mm
Overall Length : 2035 mm
Wheelbase : 1465 mm
Rake ( Fork Angle) : 24°
Front Tire : 120/70 x 17
Rear Tire : 190/55 x 17
Fuel Capacity : 10 litres
Oil Capacity : 2,3 litres
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