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NEW DESIGN!

CLASSIC STYLE.

Anyone who sees it must be fascinated by ROCK.

Cutting-edge!

The first family motorcycle with a
digital LCD speedometer.

FULL DIGITAL

LED METER

Premium technology in a family bike, with a full digital LED speed meter and Soft-touch technology. Setting function that simply taps or lightly touches the message ADJ (Adjust) or Set at the bottom of the mileage screen You can set a clock or plan a trip. Comes with the engine tachometer.

5 New colors!

Super Classic

All-new Design

With Rock n’Ride

Shining like a Rock

FULL LED headlights with a daytime running light at the front
and a unique Logo GPX identity provides brightness in a modern design.

Tail lights with a unique design

Tail lights with a unique designed in Full LED. Bright and clear, providing security on every journey

Sit comfortably, ready to go anywhere. Long seat, concave design, fits the body. in texture, and comfortable seating Satisfying both the driver and the passenger.

Disc brake with a 220 mm front disc brake system, you can be confident in every braking situation.

Exciting, Rock design exhaust pipe, made of metal, heat insulating with chrome color, and eco-friendly. with an exhaust standard of EURO 4

DID 428D

DID size 428D, powered by
quality chains from leading
chain brands, the internationally
recognized quality allows
you to move forward with
confidence. Ready to explore
new paths as your heart desires.

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

120 mm.

Narrowest turning radius

39 degree

Weight

100 kg.

Capacity weight

130 kg.

Engine

Engine

1 cylinder, 4 strokes

Cylinder

109 cc, SOHC

Cooling system

Air-cooled

Cylinder x stroke

50 x 55.5 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

Aluminum Alloy

Fr. Wheel size

2.25-17-38P

Rr. Wheel size

2.50-17-43P

Tire capacity

Fr. 30 psi | Rr. 35 psi

Electrical

Headlight I DRL

LED

Taillight I Brake

LED

Signal I Emergency light

LED

Battery

12V 5Ah

Meter

Full Digital LED Meter

Frame

Frame

Under bone

Trail dist.

74.63 mm.

Caster angle

26.5 degree

Fuel system

Fuel type

gasohol 91,95

Capacity

4 Litres

Chain drive

Chain

DID 428D

Fr. Steering

15

Rr. Steering

36

Suspension

Fr. Shock absorber

Telescopic

Rr. Shock absorber

Twin Shock Up

FUNCTION ROCK

make you fall in love

Rock’s front rack

Convenience with the front rack’s additional functions. Convenient for putting in the basket.

Diamond of Rock!

ROCK’s 3D diamond-shaped emblem represents a design that is as sharp and tough as diamond.

Rock’s Absorber

Rear shock absorber with anodized silver design and adjustable hardness – soft.

Rock’s rear handle

Designed to match the bike’s body. A firm grip boosts the passenger’s confidence.

Security Rock!

Key’s shutter function to close the key switch for additional security.

Rock start

It is easy to start the bike. Both hand and foot starts are possible.

Dimension
of...ROCK

0

width

0

length

0

height

CERTIFICATE

GPX DEALER NETWORK

Dealer

300 Dealer

Around in Thailand

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