NOX KL 50 TT - Specifications & Review

KL 50 TT

Article Complete Info

Articleid777730
CategoryEnduro-offroad
MakeNOX
ModelKL 50 TT
Price Euro 2460. Prices depend on country, taxes, accessories, etc.
Year2010

Chassis, Suspension, Brakes & Wheels

FrontbrakesSingle disc
Frontbrakesdiameter260 mm (10.2 inches)
Fronttyre80/90-21
RearbrakesSingle disc
Rearbrakesdiameter200 mm (7.9 inches)
Reartyre110/80-18

Engine & Transmission

Borexstroke40.0 x 40.0 mm (1.6 x 1.6 inches)
ClutchWet multiplate
CoolingsystemLiquid
Displacement49.00 ccm (2.99 cubic inches)
EnginedetailsSingle cylinder, two-stroke
FuelsystemCarburettor. Dell´Orto PHBN
TransmissiontypefinaldriveChain

Other Specifications

ColoroptionsGreen, white
CommentsItalian bike. Derbi engine. NOX is an abbreviation for New Original eXperience.
StarterKick

Physical Measures & Capacities

Dryweight82.0 kg (180.8 pounds)
Fuelcapacity7.30 litres (1.93 gallons)
Overalllength2,090 mm (82.3 inches)
Seatheight910 mm (35.8 inches) If adjustable, lowest setting.

About NOX

Country of Origin: Europe
Founder: Small-batch performance consortium (public documentation limited)
Best Known For: Lightweight supermoto/track specials and performance parts

Company History

Under the NOX label, European tuners produced limited supermoto and naked-track specials that emphasized minimal mass, crisp fueling, and component quality over headline power. Typical builds centered on proven single- or twin-cylinder platforms, then added revalved suspension, powerful but progressive brakes, and ergonomics tailored to long stints at lean. Documentation and setup support—sag targets, gearing for specific circuits, jet/EFI maps—were part of the value, helping privateers get repeatable pace without factory resources. NOX-branded parts (rearsets, subframes, exhausts) often found their way onto club racers’ bikes across the continent. Historically, NOX represents Europe’s workshop ecosystem where smart, reversible changes turn mainstream machines into scalpel-like tools, proving that lap time and rider confidence often come from subtraction, not addition.

Other Years

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