X4 are from a long development. After having conquered the US they come in Europe !
 
 
engine:
125 UPOWER
Power 10HP ISO
valves 27 and 23 mm
carburetor: Mikuni 22
Piston and cylinder aluminum
ignition CDI microprocessor
gearbox N1234 start on any gear
 
Chassis :
Rear suspension gas type DE CARBON with spring 800lbs
swingarm aluminium
front fork style Marzocchi, fully dismountable
CNC aluminium triple clamp
wheel 12 "and 14", hubs alu MX type
footpeggs steel LXR
brake pedal over the bar
front disc brakes double piston 210 mm and rear single piston 190 mm
secondary transmission : 14 x 41 chain KMC 420
brake lever with position adjustable
clutch lever alu forged
exhaust line stainless steel and aluminium
wheelbase: 1190 mm
seat height 785 mm
UPOWER winner on Las Vegas 2013
PITSTERPRO
 4
 of 5
 categories
 won on
 the
 French championship
 2012 and 2013
PITSTERPRO
 four
 categories
 won
 on the Championship
 Grand
 West
 2013
PITSTERPRO
 1, 2 and 3
 on the UK
 Championship
 88cc
 class
 in 2013
 
use of this  pit bike
prohibited on public road
this dirt bike
must be used only on land specially adapted and meets the standards of security.
UPOWER is the exclusive importer for Europe of the famous brand US PITSTERPRO-> www.pitsterpro.nl