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Enduro Bikes

2026Apollo RFN Thunder 125

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20 fields on record

The 2026 Apollo RFN Thunder 125 is a small trail bike from Apollo. Its air-cooled 125cc single drives through a four-speed gearbox and chain, for a top speed of about 75 km/h. An 820 mm seat and 106 kg dry weight suit young riders.

Capacity
125.0 ccm
Engine
Single, four-stroke
Gearbox
4-speed
Dry weight
106.0 kg
Seat height
820 mm
Power
Not on record
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Other years 2023 2025 2026

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 35Agility 75Comfort 30Off-road 90Touring 35Road manners 35
Off-road & trail90%
Cornering45%
City riding25%
Daily riding25%
Touring35%
Two-up15%
Track15%
Best for
Built primarily for off-road trail riding, with enough road manners to link trails where it is road-legal.
Built for
An enduro bike from Apollo with a 125cc engine; its character is easy-going and economical, with 15 hp on tap.
Not ideal for
Not for long road journeys, passengers or motorway riding.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 820mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2026 Apollo RFN Thunder 125, with a cramped knee angle of around 70 degrees and a slightly forward riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

Find bikes that fit your height →

Full specifications

Engine
Capacity
125.0 ccm
Engine type
Single, four-stroke
Cooling system
Air
Fuel system
Carburettor
Starting
Kick
Power
Not on record - add it
Torque
Not on record - add it
Transmission
Gearbox
4-speed
Transmission type
Manual
Final drive
Chain
Performance
Top speed
75.0 km/h (46.6 mph)
Dimensions & weight
Seat height
820 mm
Dry weight
106.0 kg
Fuel capacity
3.20 litres
Ground clearance
Not on record - add it
Chassis & suspension
Front suspension
Telescopic fork
Rear suspension
Rebound adjustable hydraulic shock
Brakes & wheels
Front brakes
Single disc
Rear brakes
Single disc
Front tyre
60/100-14
Rear tyre
80/100-12
Other
Color options
Red/white/blue

Specs last verified against published sources: .

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 202320252026
Capacity 125 cc 125 cc 125 cc
Dry weight 106 kg 106 kg 106 kg
Seat height 820 mm 820 mm 820 mm
Fuel capacity 3.2 L 3.2 L 3.2 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the Apollo RFN Thunder 125?

The 2026 Apollo RFN Thunder 125 has a Capacity of 125.0 ccm (7.63 cubic inches).

How many gears does the Apollo RFN Thunder 125 have?

The 2026 Apollo RFN Thunder 125 has a Gearbox of 4-speed.

How much does the Apollo RFN Thunder 125 weigh?

The 2026 Apollo RFN Thunder 125 has a Dry weight of 106.0 kg (233.7 pounds).

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