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CR&S Duu Nottenbia

Make Model	CR&S Duu Nottenbia
Engine	S & S X-Wedge, four stoke, 56 ° V-Twin, 2 Valves per cylinder
Capacity	1917 cc / 117 cu-in
Bore x Stroke	1104.8 x 111.1 mm
Cooling System	Air cooled
Compression Ratio	9.75:1
Lubrication	Dry sump
Induction	Injection, single injector per cylinder, 55 mm throttle body
Starting	Electric
Clutch	Wet multiplate with hydraulic control
Transmission	5 or 6 Speed (6-speed option)
Primary Drive	Chain double oil bath
Final Drive	Chain with "O" ring
Frame	Main frame tube relevant section stainless steel cradle and slide motor boxed stainless steel frame and box-seat carrier light alloy. Collagamento plates are made of light alloy
Swingarm	Single arm, pipe section with significant box-truss, stainless steel.
Front Suspension	48 mm Upside down fork adjustable rebound and preload
Front Wheel Travel	120 mm / 4.7 in
Rear Suspension	Swingarm with monoshock teleidraulico, progressive, adjustable rebound and preload.
Rear Wheel Travel	128 mm / 5.0 in
Front Brakes	2x 320mm floating disc, 2 piston calipers
Rear Brakes	Single 260mm disc, 2 piston caliper
Front Wheel	3.50 x 17 "
Rear Wheel	6.00 x 17 "
Front Tyre	120/70 ZR17
Rear Tyre	190/55-ZR17

The CR&S Duu Alegher, Duu Nottenbia and Duu Sbirluscenta are handsome machines and all three are powered by the same S&S ‘X-Wedge’ air-cooled OHV 1916cc American-made V-twin that produces 91bhp at 5100rpm and 148Nm of torque at 2,500-4,700rpm.

All three Duu bikes also share the same chassis – a compound structure made of one large-section stainless steel tube (which serves as the ‘backbone’ for the frame and also works, partially, as the fuel tank) and other smaller parts that are also made of stainless steel and connected to each other by light alloy components. The single-sided swingarm is also made of stainless steel tube and, according to CR&S, this chassis is built to stay free of rust and corrosion for the bike’s entire lifecycle.

The Duu trio rides on 17-inch machined-alloy wheels shod with 190/55 (rear) and 120/70 (front) tyres. There’s a 48mm USD fork at the front, adjustable for rebound damping and spring preload, and a fully adjustable monoshock at the back. Twin 320mm brake discs, with radial-mount 4-piston calipers (front) and single 260mm disc with 2-piston caliper (rear) handle the braking duties and the bikes weigh about 245kg, dry. Fuel tank capacity is 15.5 Litres
and according to CR&S, the Duu is capable of hitting a top speed of more than 200km/h.