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Chains and Sprockets

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Chain rear sprocket
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AFAM D.I.D IGM Moose Racing Moto Master Renthal Standard Parts Voca Racing
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Voca Racing
Rear Sprocket Sherco SM-R 50cc 50T - 428 Alu red
Article no.: VCR-SD450.SHO.50/RE

Rear Sprocket Sherco SM-R 50cc 50T - 428 Alu red

47,00 €
In stock
RRP
59,00 €
-20% Discount
Sale
Voca Racing
Rear Sprocket Sherco SM-R 50cc 50T - 428 Alu black
Article no.: VCR-SD450.SHO.50/BK

Rear Sprocket Sherco SM-R 50cc 50T - 428 Alu black

47,00 €
In stock
RRP
59,00 €
-20% Discount
Sale
Voca Racing
Rear Sprocket Rieju MRT 50T - 420 Voca Alu black
Article no.: VCR-SD450.MRT.50/BK

Rear Sprocket Rieju MRT 50T - 420 Voca Alu black

42,00 €
In stock
RRP
53,00 €
-21% Discount
Sale
Voca Racing
Rear Sprocket Rieju MRT 50T - 420 Voca Alu Neochrome
Article no.: VCR-SD450.MRT.50/TI

Rear Sprocket Rieju MRT 50T - 420 Voca Alu Neochrome

45,00 €
In stock
RRP
57,00 €
-21% Discount
Sale
Voca Racing
Rear Sprocket Beta RR 50T - 420 Voca Alu red
Article no.: VCR-SD450.BETA.50/RE

Rear Sprocket Beta RR 50T - 420 Voca Alu red

42,00 €
In stock
RRP
53,00 €
-21% Discount
Sale
Voca Racing
Rear Sprocket Beta RR 50T - 420 Voca Alu black
Article no.: VCR-SD450.BETA.50/BK

Rear Sprocket Beta RR 50T - 420 Voca Alu black

42,00 €
In stock
RRP
53,00 €
-21% Discount
Sale
Voca Racing
Rear Sprocket Beta RR 50T - 420 Voca Alu Neochrome
Article no.: VCR-SD450.BETA.50/TI

Rear Sprocket Beta RR 50T - 420 Voca Alu Neochrome

45,00 €
In stock
RRP
57,00 €
-21% Discount
Sale
Voca Racing
Rear Sprocket Aprilia SX 50cc 50T - 420 Voca Alu red
Article no.: VCR-SD450.SDA.50/RE

Rear Sprocket Aprilia SX 50cc 50T - 420 Voca Alu red

45,00 €
In stock
RRP
57,00 €
-21% Discount
Sale
Voca Racing
Rear Sprocket Aprilia SX 50cc 50T - 420 Voca Alu black
Article no.: VCR-SD450.SDA.50/BK

Rear Sprocket Aprilia SX 50cc 50T - 420 Voca Alu black

45,00 €
In stock
RRP
57,00 €
-21% Discount
Sale
Voca Racing
Rear Sprocket Aprilia SX 50cc 50T - 420 Voca Alu blue
Article no.: VCR-SD450.SDA.50/BL

Rear Sprocket Aprilia SX 50cc 50T - 420 Voca Alu blue

45,00 €
In stock
RRP
57,00 €
-21% Discount
Sale
Moto Master
Rear Sprocket Moto Master 520 aluminium 50 teeth black KTM Freeride
Article no.: MMAST-12112431

Rear Sprocket Moto Master 520 aluminium 50 teeth black KTM Freeride

18,50 €
In stock
RRP
50,00 €
-63% Discount
Moto Master
Rear Sprocket Moto Master 520 alu 50T black YZ / YZF
Article no.: MMAST-12112298

Rear Sprocket Moto Master 520 alu 50T black YZ / YZF

31,00 €
In stock
RRP
50,00 €
-38% Discount
Sale
Moto Master
Rear Sprocket Moto Master 520 steel 50 teeth CR / CRF
Article no.: MMAST-12102310

Rear Sprocket Moto Master 520 steel 50 teeth CR / CRF

22,00 €
In stock
RRP
40,50 €
-46% Discount
Voca Racing
Rear Sprocket Sherco SM-R 50cc 50T - 428 Alu Neochrome
Article no.: VCR-SD450.SHO.50/TI

Rear Sprocket Sherco SM-R 50cc 50T - 428 Alu Neochrome

54,50 €
Currently not in stock
RRP
64,00 €
-15% Discount
Voca Racing
Rear Sprocket Sherco SM-R 50cc 50T - 428 Alu blue
Article no.: VCR-SD450.SHO.50/BL

Rear Sprocket Sherco SM-R 50cc 50T - 428 Alu blue

54,00 €
Currently not in stock
RRP
59,00 €
-8% Discount
Voca Racing
Rear Sprocket Rieju MRT 50T - 420 Voca Alu red
Article no.: VCR-SD450.MRT.50/RE

Rear Sprocket Rieju MRT 50T - 420 Voca Alu red

49,00 €
Currently not in stock
RRP
53,00 €
-8% Discount
Voca Racing
Rear Sprocket Rieju MRT 50T - 420 Voca Alu blue
Article no.: VCR-SD450.MRT.50/BL

Rear Sprocket Rieju MRT 50T - 420 Voca Alu blue

49,50 €
Currently not in stock
RRP
53,00 €
-7% Discount
Voca Racing
Rear Sprocket Beta RR 50T - 420 Voca Alu blue
Article no.: VCR-SD450.BETA.50/BL

Rear Sprocket Beta RR 50T - 420 Voca Alu blue

50,00 €
Currently not in stock
RRP
53,00 €
-6% Discount
Voca Racing
Rear Sprocket Aprilia SX 50cc 50T - 420 Voca Alu Neochrome
Article no.: VCR-SD450.SDA.50/TI

Rear Sprocket Aprilia SX 50cc 50T - 420 Voca Alu Neochrome

51,50 €
Currently not in stock
RRP
60,00 €
-14% Discount
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T blue TM Racing MX / EN
Article no.: MMAST-12112463

Rear Sprocket Moto Master 520 Fusion 50T blue TM Racing MX / EN

77,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T blue TM Racing MX / EN
Article no.: MMAST-12112457

Rear Sprocket Moto Master 520 alu 50T blue TM Racing MX / EN

48,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T orange KTM Freeride
Article no.: MMAST-12112443

Rear Sprocket Moto Master 520 Fusion 50T orange KTM Freeride

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T black KTM Freeride
Article no.: MMAST-12112440

Rear Sprocket Moto Master 520 Fusion 50T black KTM Freeride

75,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T orange KTM Freeride
Article no.: MMAST-12112437

Rear Sprocket Moto Master 520 alu 50T orange KTM Freeride

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 Fusion 50T orange TC / SX 65
Article no.: MMAST-12112397

Rear Sprocket Moto Master 420 Fusion 50T orange TC / SX 65

65,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 50T orange TC / SX 65
Article no.: MMAST-12112385

Rear Sprocket Moto Master 420 alu 50T orange TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 50T black TC / SX 65
Article no.: MMAST-12112376

Rear Sprocket Moto Master 420 alu 50T black TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T blue Sherco / Beta
Article no.: MMAST-12112361

Rear Sprocket Moto Master 520 Fusion 50T blue Sherco / Beta

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T black Sherco / Beta
Article no.: MMAST-12112351

Rear Sprocket Moto Master 520 Fusion 50T black Sherco / Beta

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T blue Sherco / Beta
Article no.: MMAST-12112346

Rear Sprocket Moto Master 520 alu 50T blue Sherco / Beta

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T red Sherco / Beta
Article no.: MMAST-12112338

Rear Sprocket Moto Master 520 alu 50T red Sherco / Beta

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T black Sherco / Beta
Article no.: MMAST-12112330

Rear Sprocket Moto Master 520 alu 50T black Sherco / Beta

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T blue YZ / YZF
Article no.: MMAST-12112322

Rear Sprocket Moto Master 520 Fusion 50T blue YZ / YZF

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T black YZ / YZF
Article no.: MMAST-12112317

Rear Sprocket Moto Master 520 Fusion 50T black YZ / YZF

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T blue YZ / YZF
Article no.: MMAST-12112311

Rear Sprocket Moto Master 520 alu 50T blue YZ / YZF

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 Fusion 50T orange TC / SX 85
Article no.: MMAST-12112288

Rear Sprocket Moto Master 428 Fusion 50T orange TC / SX 85

65,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 Fusion 50T blue TC / SX 85
Article no.: MMAST-12112283

Rear Sprocket Moto Master 428 Fusion 50T blue TC / SX 85

65,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 Fusion 50T black TC / SX 85
Article no.: MMAST-12112278

Rear Sprocket Moto Master 428 Fusion 50T black TC / SX 85

65,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 alu 50T orange TC / SX 85
Article no.: MMAST-12112272

Rear Sprocket Moto Master 428 alu 50T orange TC / SX 85

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 alu 50T blue TC / SX 85
Article no.: MMAST-12112265

Rear Sprocket Moto Master 428 alu 50T blue TC / SX 85

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 alu 50T black TC / SX 85
Article no.: MMAST-12112258

Rear Sprocket Moto Master 428 alu 50T black TC / SX 85

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T orange KTM / Husqvarna
Article no.: MMAST-12112250

Rear Sprocket Moto Master 520 Fusion 50T orange KTM / Husqvarna

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T blue KTM / Husqvarna
Article no.: MMAST-12112245

Rear Sprocket Moto Master 520 Fusion 50T blue KTM / Husqvarna

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T black KTM / Husqvarna
Article no.: MMAST-12112240

Rear Sprocket Moto Master 520 Fusion 50T black KTM / Husqvarna

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T orange KTM / Husqvarna
Article no.: MMAST-12112233

Rear Sprocket Moto Master 520 alu 50T orange KTM / Husqvarna

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T blue KTM / Husqvarna
Article no.: MMAST-12112218

Rear Sprocket Moto Master 520 alu 50T blue KTM / Husqvarna

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T black KTM / Husqvarna
Article no.: MMAST-12112203

Rear Sprocket Moto Master 520 alu 50T black KTM / Husqvarna

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 50T black KX 85
Article no.: MMAST-12112187

Rear Sprocket Moto Master 420 aluminium 50T black KX 85

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T black KXF 250 / 450
Article no.: MMAST-12112182

Rear Sprocket Moto Master 520 Fusion 50T black KXF 250 / 450

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 Fusion 50T red RM 85 / YZ 85
Article no.: MMAST-12112165

Rear Sprocket Moto Master 428 Fusion 50T red RM 85 / YZ 85

65,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 alu 50T blue RM 85 / YZ 85
Article no.: MMAST-12112151

Rear Sprocket Moto Master 428 alu 50T blue RM 85 / YZ 85

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 428 alu 50T red RM 85 / YZ 85
Article no.: MMAST-12112140

Rear Sprocket Moto Master 428 alu 50T red RM 85 / YZ 85

52,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 50T red CR / CRF
Article no.: MMAST-12112110

Rear Sprocket Moto Master 520 Fusion 50T red CR / CRF

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T red CR / CRF
Article no.: MMAST-12112100

Rear Sprocket Moto Master 520 alu 50T red CR / CRF

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T black CR / CRF
Article no.: MMAST-12112093

Rear Sprocket Moto Master 520 alu 50T black CR / CRF

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master Fusion 520 50T black RM 125 / 250
Article no.: MMAST-12112081

Rear Sprocket Moto Master Fusion 520 50T black RM 125 / 250

73,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 alu 50T black RM 125 / 250
Article no.: MMAST-12112068

Rear Sprocket Moto Master 520 alu 50T black RM 125 / 250

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 steel 50T Husqvarna CR / WR & Sherco
Article no.: MMAST-12102309

Rear Sprocket Moto Master 520 steel 50T Husqvarna CR / WR & Sherco

40,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 520 steel 50T KTM Freeride
Article no.: MMAST-12102298

Rear Sprocket Moto Master 520 steel 50T KTM Freeride

45,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 steel 50T TC / SX 65
Article no.: MMAST-12102285

Rear Sprocket Moto Master 420 steel 50T TC / SX 65

45,00 €
Currently not in stock
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12

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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