Motorcycle Racing News 2011 Derbi GPR | Wallpaper

2011 Derbi GPR | Wallpaper

Derbi Wallpaper

The Derbi GPR, in both the 125cc 4-stroke and the new 50cc 2-stroke versions, mirrors the racing spirit of the legendary "Balas Rojas", the Derbi sportbikes that conquered a good 19 MotoGP World Championships over their motorcycle racing history (11 rider MotoGP titles and 8 manufacturer MotoGP titles).

The 50cc single cylinder manufactured by the parent, Piaggio Group, is a liquid-cooled 11.5:1 compression engine with carburetor and reed intake.

The motorcycle uses separate mixing system with a variable capacity volumetric pump. The 6-speed gearbox allows you to take the best advantage of the top engine performance levels.

This small but snappy engine, created for Derbi GPR, joins the powerful and well-known 125cc 4-stroke 4-valve single cylinder motor developed jointly by Piaggio and Derbi.

The Derbi GPR 125 has a liquid-cooled four-valve motor with a maximum power of 15 hp at 9,250 rpm that is paired with the 6-speed gearbox. Future MotoGP stars will be pleased with the performance.

The rolling chassis on both motorcycles is comprised of a dual-beam die-cast aluminum frame, an upside down 41mm fork with red anodized stanchion holders, an Olle single shock directly mounted to the swingarm, a radial-mounted 300 mm front disc break with four pistons with a 220 mm rear disc on the 125cc, and a 218 mm on the 50cc (both with a single piston caliper).

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Ron Lieback
Ron Lieback
One of the few moto journalists based on the East Coast, Ron Lieback joined the motorcycle industry as a freelancer in 2007, and is currently Online Editor at Ultimate Motorcycling. He is also the author of "365 to Vision: Modern Writer's Guide (How to Produce More Quality Writing in Less Time).

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