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Pourquoi vous allez l'adorer !
- AFAM© brand reinforced chain - Official distribution
- Ideal for intensive use or competition: excellent durability and maintains chain tension
- Length: 138 links
- Delivered with its quick connector
AFAM 420 Ultra Reinforced Racing Chain for Dirt Bike, Pit Bike
This chain is intended for sustained use on motocross tracks.
It guarantees you a chain of High Quality, lighter and called "Ultra Resistant" over time, allowing you to maintain your chain tension up to 10X longer than an original chain.
Used by the MXLABS Team and by Mini MX Amateur Riders. We highly recommend this product for all users of Pit Bike motocross tracks.
Number of links : 138 links
Chain pitch: 420
The AFAM Chain has a 420 pitch and comes with its quick link.
Compatible with all brands Apollo Motors, Bastos, CRZ, Gunshot, PitserPro, Mini MX, YCF, RSR, Bucci.
Reminder:
Chain pitch 420 = approximately 6.5mm
Chain pitch 428 = approximately 8mm
Advice:
- If you lengthen your transmission, you will gain top speed but lose engine torque/responsiveness.
- If you shorten your transmission, you will gain torque and lose top speed.
- Check the chain regularly before or after each ride.
Chain tensioning is done with a person sitting on the motorcycle; the chain must be tightened so that you can pass a finger between the Teflon slider on your swingarm and the chain.
If it is too loose, adjust your chain tensioners to move the wheel backward; if it is too tight, adjust the tensioners to move your wheel forward.
For more information, download the complete explanation for free in the "Mini MX Tips" tab.

Our motorcycles, quads, pocket bikes, etc., are not approved for use on public roads. Their use is strictly limited to closed, private tracks that comply with the provisions of Article R 331-21 of the French Sports Code.
Our vehicles (motorcycles, quads, buggies, etc.) intended for children should not be considered mere toys, but motorized machines belonging to the realm of motorsports, which involve inherent risks.
Minors under the age of 14 are not authorized to purchase, rent, or use non-approved vehicles, such as mini-motorcycles, children's quads, unapproved quads, motocross bikes, pocket bikes, pocket cross bikes, pit bikes, or dirt bikes. Their use is strictly limited to activities organized by approved sports associations, such as the FFM (French Motorcycling Federation) or UFOLEP (French Union of Secular Sports and Cultural Activities). It is important to note that the maximum speed of these vehicles on public roads is 24 km/h, which prohibits their use on public roads. Furthermore, minors under 16 years of age must be constantly supervised by an adult when using these machines.
To ensure your safety, it is essential to wear appropriate protective equipment, including an approved safety helmet, motocross-type safety glasses, gloves, elbow pads, knee pads, and a chest protector. It is also recommended to wear a long-sleeved top, long trousers, and high-top shoes that cover at least the ankle, ensuring that the laces are securely tied and away from the wheels, engine, and drive system.
You must register your machine with the Ministry of the Interior within 15 days of the purchase date. This process can be completed online at the following address: https://www.service-public.fr/particuliers/vosdroits/R20458. After submitting the declaration, you will receive an identification number to be engraved on the chassis and displayed on a visible plate. Please note that this plate can be removed during sporting activities.
We also encourage you to consult the charter outlining the rules to be followed for the use of your vehicle, available here: https://www.legifrance.gouv.fr/loda/id/JORFTEXT000020910287/, or to refer to the user manual, which you can download.
Chain and Drive
| Chain Size | 420 |
|---|
| Chain length (links) | 120 Links |
|---|
Others
| Type of bike | Dirt Bike, Pit Bike, Motocross |
|---|
| Shipping origin | France |
|---|
8 other products in the same category:
Transmission Kit - Chain/Sprocket/Sprocket - Surron Light Bee
Set Chain D.I.D 420 + Engine Sprocket + Rear Sprocket (125cc Lifan)
Pourquoi vous allez l'adorer !
- AFAM© brand reinforced chain - Official distribution
- Ideal for intensive use or competition: excellent durability and maintains chain tension
- Length: 138 links
- Delivered with its quick connector
Thanks!
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