64.5kg Ossa TR280i is world's lightest trial bike
Published: 22 July 2010
Reborn Spanish brand Ossa has come back with a bang – a sleek-looking new trials machine it says is the lightest in the world.
The 64.5kg bike is the first new Ossa in 25 years and features a 272cc two-stroke single-cylinder engine. Production begins in September, with the entire 1250-bike initial run sold into dealers around the world.
A second batch of 2500 will follow next year, by which time a newly-developed upside-down fork will be an option.
OSSA TR 280I: Technical Specification
Two-stroke mono-cylindrical with direct blade admission to the crankcase
EFI FUEL SYSTEM
Kokusan Battery-less System
Koksuan CDI digital magnetic steering handle
Primary by gears and secondary by chain
Mix 0.9% / 100% synthetic oil
GEARBOX AND CLUTCH LUBRICATION
350 cc of oil, type Gear Extreme 75W
Tubular profile in CR-MO, with pipe and lower part made from wrought aluminium
Adjustable fork with aluminium bars, 40 mm diameter. Marzocchi Aluminium.
Adjustable inverted fork with aluminium bars, 40 mm diameter. Marzocchi Aluminium (optional feature available with the second batch of production).
Variable progressive system with TTX Ohlins monoshock
185 mm diameter disc with 4-piston disc brake
185 mm diameter disc with 2-piston disc brake
28 spokes with 2.75x21 tyre
28 spokes with 4.00x18 tyre, without air chamber
Made in AA7075 T6
GEAR CHANGE AND BREAK PEDAL
Wrought aluminium with retractable tip
WEIGHTS AND MEASUREMENTS
Wheelbase: 1,328 mm
Height of seat: 665 mm
Fuel tank capacity: 2.6 litres
Weight when empty: 64.5 kg.
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