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Chains and Sprockets

(19 products)
Transmission Gearboxes Chains and Sprockets Gear Drives Transmission Accessories
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393
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19
393
products
found
Product type
Chain Chain kit
Brand
AFAM Doppler Moose Racing MotoForce
Chain links
74 80 86 90 100 106 108 110 112 114 116 120 122 124 126 128 130 132 134 136 138 140 142 144 146
Colour
Black Blue Gold Silver
Price
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MotoForce
Chain Kit Motoforce 12x52 - 420 Rieju MRT
Article no.: MF89.00241

Chain Kit Motoforce 12x52 - 420 Rieju MRT

53,00 €
In stock
MotoForce
Chain 420 / 138 links Motoforce reinforced
Article no.: MF89.00151
19

Chain 420 / 138 links Motoforce reinforced

20,00 €
In stock
RRP
22,00 €
-9% Discount
MotoForce
Chain 428 / 138 links Motoforce reinforced
Article no.: MF89.00101
21

Chain 428 / 138 links Motoforce reinforced

18,70 €
In stock
RRP
22,00 €
-15% Discount
AFAM
Chain Kit Aprilia RX 50 1999 - 2001 Afam 12x51 - 420 (OEM ratio)
Article no.: AFAM32036

Chain Kit Aprilia RX 50 1999 - 2001 Afam 12x51 - 420 (OEM ratio)

40,00 €
In stock
RRP
60,00 €
-33% Discount
AFAM
Chain Kit Aprilia MX / SM 50 2003 - 2005 Afam 11x51 - 420 (OEM ratio)
Article no.: AFAM32035

Chain Kit Aprilia MX / SM 50 2003 - 2005 Afam 11x51 - 420 (OEM ratio)

59,50 €
In stock
AFAM
Chain Kit AFAM 11x52 Rieju Spike
Article no.: AFAMKS-A-129

Chain Kit AFAM 11x52 Rieju Spike

27,50 €
In stock
RRP
45,50 €
-40% Discount
AFAM
Chain 428 AFAM R1-G reinforced gold
Article no.: AFAM428R1-G/SIZE

Chain 428 AFAM R1-G reinforced gold

from 9,50 €
In stock
15,00 €
-37% Discount
AFAM
Chain AFAM reinforced gold 420 R1-G
Article no.: AFAM420R1-G/SIZE

Chain AFAM reinforced gold 420 R1-G

from 10,00 €
In stock
Doppler
Chain 418 / 138 links Doppler reinforced blue
Article no.: CGN503982

Chain 418 / 138 links Doppler reinforced blue

25,00 €
In stock soon
Doppler
Chain 428 / 138 links Doppler reinforced red
Article no.: CGN503981

Chain 428 / 138 links Doppler reinforced red

25,00 €
In stock soon
Doppler
Chain Kit Sherco SM / SE 13x53 Doppler black steel
Article no.: CGN538767

Chain Kit Sherco SM / SE 13x53 Doppler black steel

59,00 €
In stock soon
Doppler
Chain Kit 13x53 steel - 428 Doppler Origin Sherco 50cc
Article no.: CGN538766

Chain Kit 13x53 steel - 428 Doppler Origin Sherco 50cc

65,00 €
In stock soon
Doppler
Chain Kit Doppler 13x53 - 428 Sherco 50 Alu Blue
Article no.: CGN526753

Chain Kit Doppler 13x53 - 428 Sherco 50 Alu Blue

95,00 €
In stock soon
Doppler
Chain reinforced 138 links D.428 gold
Article no.: CGN503614

Chain reinforced 138 links D.428 gold

21,00 €
Currently not in stock
28,00 €
-25% Discount
AFAM
Chain Kit AFAM 12x52 - 420 Rieju MRT / Yamaha DT
Article no.: AFAM467442

Chain Kit AFAM 12x52 - 420 Rieju MRT / Yamaha DT

63,00 €
Currently not in stock
AFAM
Chain Kit AFAM 11x60 Yamaha TZR after 2003
Article no.: CGN478546
2

Chain Kit AFAM 11x60 Yamaha TZR after 2003

58,50 €
Currently not in stock
AFAM
Chain Kit Rieju MRT after 2018 Afam 11x62
Article no.: CGN518452

Chain Kit Rieju MRT after 2018 Afam 11x62

74,00 €
Currently not in stock
AFAM
Chain Kit AFAM 11x48 Rieju RR
Article no.: AFAMKS-A-126

Chain Kit AFAM 11x48 Rieju RR

45,00 €
Currently not in stock
Moose Racing
Chain Moose Racing RXP Pro-MX420
Article no.: MRM57600_MASTER

Chain Moose Racing RXP Pro-MX420

from 12,00 €
Currently not in stock

Chain kit: chain, front sprocket, rear sprocket

Chain kit - components and function

Most motorcycles and mopeds use a front sprocket, rear sprocket (also called a chainring), and chain to transfer engine power to the rear wheel. These three parts together are referred to as a chain kit, and it is usually recommended to replace all components at the same time.

On a motorcycle or motocross bike, the front sprocket sits on the gearbox output shaft. On a moped, it is connected to the rear pulley (which in turn is driven by the V-belt).
This front sprocket drives the chain, which acts as the link between the engine and the rear wheel by turning the rear sprocket.
The rear sprocket is mounted to the rear wheel hub and ultimately turns the wheel so the bike moves forward.

There are different chain types that vary in size and length as well as intended use. There are basic chains or reinforced versions. Others are equipped with sealing rings (O-ring, X-ring, or U-ring), which makes them quieter and longer-lasting. For off-road use, there are special versions with specific surface finishes to withstand the demands of riding on rough terrain.

Front sprockets and rear sprockets are available in steel or aluminum (lighter, but less durable). For off-road use, self-cleaning versions are also available, with special cutouts between the teeth that help carry dirt away.

Choosing the right gearing

Each element of the chain kit should be selected carefully. Depending on engine output and intended use, different criteria can become important (see the previous chapter on off-road use).

Chain pitch is a key criterion: the more powerful the engine and the higher the torque, the larger the pitch.

An example: A classic moped uses a chain with a 415 pitch. An 85cc motocross bike, on the other hand, uses a 428 pitch, which is better suited to its output. A 1000cc sport bike uses a 530 pitch.

Choosing the right gearing has a direct impact on top speed and how responsive the bike feels. But caution: a weak engine cannot be run with gear ratio that is too tall. Except with very extensive engine tuning, it is best not to deviate too far from the manufacturer recommendations. It is also worth keeping in mind that with a larger change, a longer or shorter chain may be required (chain adjusters have their limits).

An example: The engine has been tuned with a higher-displacement cylinder. There is now significantly more torque and the goal is a bit more top-end speed. This can be done by fitting a larger front sprocket or a smaller rear sprocket. If a more direct response when exiting corners is preferred, a larger rear sprocket or a smaller front sprocket is used.

WARNING! One tooth more or less on the front sprocket has a much bigger effect than on the rear sprocket. It is generally said that one tooth on the front sprocket is roughly equivalent to three teeth on the rear sprocket.

Maintenance tips

Chain maintenance is very easy, but it needs to be done very regularly. Brushes and special products are available to clean the chain carefully and then grease it. The more thorough the work, the longer the chain kit lasts.

It should be noted that a new chain stretches a bit more during initial use than it does afterward. Chain tension should therefore be checked after the first ride and then regularly, to avoid the chain coming off or damage to the swingarm or other components (such as the shift lever on some models).

For off-road riders (motocross, enduro), chain care should be done after every ride, using a special off-road chain grease.

It should also be noted that some parts are in direct contact with the chain and their condition also needs to be monitored: the chain guide must a) be present and b) be in good condition so the chain does not come off. The swingarm slider protects the swingarm from friction caused by the chain.

Chain, front sprocket, and rear sprocket in our shop

In our online shop, complete chain kits are available for motorcycles, motocross bikes, and mopeds with chain drive, as well as all individual parts, to offer a very large selection.

Products in OEM quality are available, as well as reinforced versions from well-known brands such as AFAM, Iris, Moto Master, Prox, MotoForce, Stage6 or Voca Racing, Doppler, etc.

We try to always stock items for the most popular models on the market at the best prices and with short delivery times. Owners of Derbi Senda, Rieju MRT, Beta RR, Sherco SM/SE, Yamaha YZ / DT, KTM EXC / SX, Honda CRF ... etc. will find what they need.

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