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Chains and Sprockets

(24 products)
Gearboxes Chains and Sprockets Gear Drives Transmission Accessories
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24
2141
products
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Product type
Chain rear sprocket
Brand
AFAM Moose Racing Moto Master Renthal Standard Parts YCF Factory
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Moto Master
Rear Sprocket Moto Master 520 aluminium 45 teeth blue KTM / Husqvarna
Article no.: MMAST-12112213

Rear Sprocket Moto Master 520 aluminium 45 teeth blue KTM / Husqvarna

41,00 €
In stock
RRP
50,00 €
-18% Discount
Sale
Moto Master
Rear Sprocket MotoMaster 520 aluminium 45 teeth black KTM / Husqvarna
Article no.: MMAST-12112198

Rear Sprocket MotoMaster 520 aluminium 45 teeth black KTM / Husqvarna

39,00 €
In stock
55,50 €
-30% Discount
Sale
Moto Master
Rear Sprocket Moto Master 520 aluminium 45 teeth black RM 125 / 250
Article no.: MMAST-12112063

Rear Sprocket Moto Master 520 aluminium 45 teeth black RM 125 / 250

20,00 €
In stock
RRP
54,00 €
-63% Discount
Moto Master
Rear Sprocket Moto Master 520 steel 45 teeth KTM Freeride
Article no.: MMAST-12102293

Rear Sprocket Moto Master 520 steel 45 teeth KTM Freeride

39,00 €
In stock
RRP
49,00 €
-20% Discount
Sale
Renthal
Rear Sprocket Renthal 520 Z.45 Ultra Light self-cleaning KTM / Husqvarna / GasGas
Article no.: REN-12110078

Rear Sprocket Renthal 520 Z.45 Ultra Light self-cleaning KTM / Husqvarna / GasGas

50,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 45 teeth blue YZ 65
Article no.: MMAST-12112495

Rear Sprocket Moto Master 420 aluminium 45 teeth blue YZ 65

54,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 45 teeth black YZ 65
Article no.: MMAST-12112494

Rear Sprocket Moto Master 420 aluminium 45 teeth black YZ 65

48,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 45 teeth orange KTM Freeride
Article no.: MMAST-12112432

Rear Sprocket Moto Master 520 aluminium 45 teeth orange KTM Freeride

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 45 teeth black KTM Freeride
Article no.: MMAST-12112426

Rear Sprocket Moto Master 520 aluminium 45 teeth black KTM Freeride

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 45 teeth orange TC / SX 65
Article no.: MMAST-12112380

Rear Sprocket Moto Master 420 aluminium 45 teeth orange TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 45 teeth black TC / SX 65
Article no.: MMAST-12112371

Rear Sprocket Moto Master 420 aluminium 45 teeth black TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 45 teeth blue Sherco / Beta
Article no.: MMAST-12112341

Rear Sprocket Moto Master 520 aluminium 45 teeth blue Sherco / Beta

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 45 teeth red Sherco / Beta
Article no.: MMAST-12112333

Rear Sprocket Moto Master 520 aluminium 45 teeth red Sherco / Beta

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 45 teeth black YZ / YZF
Article no.: MMAST-12112293

Rear Sprocket Moto Master 520 aluminium 45 teeth black YZ / YZF

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 aluminium 45 teeth blue TC / SX 85
Article no.: MMAST-12112260

Rear Sprocket Moto Master 428 aluminium 45 teeth blue TC / SX 85

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 aluminium 45 teeth black TC / SX 85
Article no.: MMAST-12112253

Rear Sprocket Moto Master 428 aluminium 45 teeth black TC / SX 85

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 45 teeth orange KTM / Husqvarna
Article no.: MMAST-12112228

Rear Sprocket Moto Master 520 aluminium 45 teeth orange KTM / Husqvarna

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 45 teeth black KXF 250 / 450
Article no.: MMAST-12112171

Rear Sprocket Moto Master 520 aluminium 45 teeth black KXF 250 / 450

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 aluminium 45 teeth blue RM 85 / YZ 85
Article no.: MMAST-12112146

Rear Sprocket Moto Master 428 aluminium 45 teeth blue RM 85 / YZ 85

52,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 aluminium 45 teeth red RM 85 / YZ 85
Article no.: MMAST-12112135

Rear Sprocket Moto Master 428 aluminium 45 teeth red RM 85 / YZ 85

52,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 45 teeth red RM 125 / 250
Article no.: MMAST-12112071

Rear Sprocket Moto Master 520 aluminium 45 teeth red RM 125 / 250

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 steel 45 teeth KX /KXF
Article no.: MMAST-12102245

Rear Sprocket Moto Master 520 steel 45 teeth KX /KXF

45,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 steel 45 teeth RM / RM-Z
Article no.: MMAST-12102223

Rear Sprocket Moto Master 520 steel 45 teeth RM / RM-Z

45,00 €
Currently not in stock
Renthal
Rear Sprocket Renthal 520 Z.45 Ultra Light self-cleaning CR / CRF
Article no.: REN-R15445

Rear Sprocket Renthal 520 Z.45 Ultra Light self-cleaning CR / CRF

50,50 €
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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