The Challenger

With the Qatar tests underway, and the race at Losail kicking off the 2009 season this weekend, it seems an opportune time to go over the tech specs for Alvaro's bike...

ENGINE
Type: two strokes
Configuration / number of cylinders: one cylinder
Diameter: 54x54,5
Cubic capacity: 124,5
Compression: 18:1
Admission: rotary side valve
Gear Box: 6 gears
Clutch: dry multidisk

CHASSIS
Chassis – manufacturer and material: Aprilia/aluminium
Front Fork – Type, manufacturer: inverted/Ohlins
Rear Suspension – Type, manufacturer: Pro-link/Ohlins
Direction shock absorber – Type Manufacturer: Ohlins

BRAKES
Front brakes: two disks/ Diameter 218:steel/manufacturer: Brembo/ Clips: 2 Brembo
Rear Brakes: one disk/ steel/ manufacturer: Brembo/ Clips: Brembo

TYRES
Wheel rim: 17/ Aprilia/ Carbon
Front: Dunlop 95/70-17”
Rear: Dunlop 120/70-17”

DIMENSIONS
Distance among axles: 1230 mm
Total distance: 1830 mm
Height seat: 760 mm
Dry Weight: 72 kg
Tank capacity: 14 litres