TH
Rear shock absorber in different design. Make it show its own style in every model.
FULL DIGITAL
LED METER
Well-designed Full digital LED
meter, that come with soft touch
technology just only slightly tap
at ADJ button. Make it more
hi-tech than other family
motorcycle. And easier to
see even in the bad weather.
meter, that come with soft touch
technology just only slightly tap
at ADJ button. Make it more
hi-tech than other family
motorcycle. And easier to
see even in the bad weather.
ROCK DAYLIGHT
Outstanding with full LED
daytime running light that shine
GPX logo.
daytime running light that shine
GPX logo.
LED
TAIL LIGHT
Full LED tail light that was
specially designed for the bike.
Make it bright in every road.
specially designed for the bike.
Make it bright in every road.
DOUBLE REAR
SHOCK ABSORBERS
ROCK Elegance
Chromium absorber, with sub-tank.
ROCK Racing
Red absorber, with sub-tank.
ROCK Sport
Silver absorber that can adjust the level.
ROCK
D E S I G N
Feel strong and luxurious with
diamond shape Rock logo design.
diamond shape Rock logo design.
ROCK SEAT
With Rock’s seat,
make it more
comfortable both rider
and passenger with
a special design.
make it more
comfortable both rider
and passenger with
a special design.
WHEELS 
ALLOY
WHEELS
Type Elegance & Racing
Feel strong together with 17”
alloy sport style.
SPOKE
WHEELS
Type Sport
Make it more classic with 17”
spoke wheels.
ROCK
DISC BRAKE
Confident in every brake
with front disc brake 220mm.
Red color brake pump
for Racing model
Black color brake pump
for Elegance and
Sport model.
with front disc brake 220mm.
Red color brake pump
for Racing model
Black color brake pump
for Elegance and
Sport model.
Dimension
มม.
Width
มม.
Length
มม.
height
ROCK
ENGINE
Fun in every route
with 110cc Engine
fuel-injection system
by GPX (GPX-Fi). With
Euro 4 standard, more
clean less fuel
consumption.
with 110cc Engine
fuel-injection system
by GPX (GPX-Fi). With
Euro 4 standard, more
clean less fuel
consumption.
cc
Speed
GPX-Fi
DID 428D
Safely ride with
quality chain by DID
size 428D, international
standard chain brand,
make you feel confident
in every ride. Ready
to find the new
inspiration.
quality chain by DID
size 428D, international
standard chain brand,
make you feel confident
in every ride. Ready
to find the new
inspiration.
Fall in Rok
with many Function
GPX 3D EMBLEM
More dimension with 3D emblem
GPX EMBLEM
3D emblem GPX logo,
make it feel more
Feel strong and luxurious.
make it feel more
Feel strong and luxurious.
SAFETY LOCK
More security with safety lock
KEY ROCK
Rock to another level
with security switch
lock system
with security switch
lock system
ROCK EXHAUST
Rock Exhaust Sound
EXHAUST
Get thrilled by GPX Rock exhaust,
designed to reduce the heat
from engine. Come with
chromium color for better look.
designed to reduce the heat
from engine. Come with
chromium color for better look.
FENDER RACK ROCK
Rack Rock for basket
RACK ROCK
Increase utility with Rock’s
front rack for basket.
Better in everyday use.
front rack for basket.
Better in everyday use.
ROCK 3D EMBLEM
Rock Iconic Symbol
ROCK EMBLEM
3D emblem Rock logo,
with chromium color.
Make it look more premium.
with chromium color.
Make it look more premium.
REAR GRIP
Rear grip that designed to match the bike.
REAR GRIP
Well designed rear hand grip.
Increase confident for passenger.
Increase confident for passenger.
Control your way
The Hand of Rock.
horn
signal
start
high beam
SHADE
7 COLORS
ROCK
ELEGANCE
Alloy wheels designed gas shock up
ROCK
RACING
Alloy wheels designed gas shock up
ROCK
SPORT
Spoke wheels that can adjust.
SPECIFICATION
Dimension 
| W x L x H | 730 x 1,920 x 1,090 mm. |
| Wheelbase | 1,230 mm. |
| Seat Height from ground | 780 mm. |
| Engine height from ground | 150 mm. |
| Narrowest turning radius | 39 degree |
| Weight | 100 kg. |
Engine 
| Engine | 1 cylinder,4 strokes SOHC, |
| Cylinder | 109 cc, SOHC |
| Cooling system | Air-cooled |
| Cylinder x stroke | 50x55.5 mm. |
| Ignition | Electronic Control - FI |
| Ratio | 9.2:1 |
| Gear | 4 speed |
Brake 
| Brake system | Hydraulic Brake |
| Fr.Brake | Disc brake |
| Rr.Brake | Drum brake |
| Fr. Disc brake size | 220 mm |
Tires/Wheels 
| Fr / Rr wheel | Elegance&Racing : Aluminum Alloy Sport : spoke wheels |
| Fr. Wheel size | 2.25-17"-38P |
| Rr. Wheel size | 2.50-17"-43P |
| Tire | Vee Rubber VRM-159 |
| Tire capacity | Fr. 30 psi | Rr. 35 psi |
Electrical 
| Headlight | DRL | LED |
| Taillight | brake | LED |
| Signal | LED |
| Battery | 12V 5Ah |
| Meter | Full Digital LED Meter |
Frame 
| Frame | Underbone |
| Trail dist. | 74.63 mm. |
| Caster angle | 26.5 degree |
Fuel system 
| Fuel type | gasohol 91,95 |
| Capacity | 4.0 Litres |
Chain drive 
| Chain | DID 428D |
| Fr. Steering | 15 |
| Rr. Steering | 36 |
Suspension 
| Fr. Shock absorber | Telescopic |
| Rr. Shock absorber | Twin Shock Up |
CERTIFICATE
Rock Content
