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Chains and Sprockets

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Front sprocket Chain rear sprocket
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AFAM Conti Derbi Doppler IGM Moose Racing Moto Master MotoForce MotoForce Racing Renthal Stage6 Standard Parts STR8 Voca Racing
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Voca Racing
Rear Sprocket 40 teeth - 420 Voca Alu Neochrome Yamaha DT 50 LC Portugal
Article no.: VCR-SD450.YDT.40/TI

Rear Sprocket 40 teeth - 420 Voca Alu Neochrome Yamaha DT 50 LC Portugal

41,00 €
In stock
RRP
47,00 €
-13% Discount
Sale
Voca Racing
Rear Sprocket 40 teeth - 420 Voca Alu Red Yamaha DT 50 LC Portugal
Article no.: VCR-SD450.YDT.40/RE

Rear Sprocket 40 teeth - 420 Voca Alu Red Yamaha DT 50 LC Portugal

38,00 €
In stock
RRP
44,00 €
-14% Discount
Sale
Voca Racing
Rear Sprocket Yamaha DT 50 LC Portugal 40 teeth - 420 Alu black
Article no.: VCR-SD450.YDT.40/BK

Rear Sprocket Yamaha DT 50 LC Portugal 40 teeth - 420 Alu black

38,00 €
In stock
RRP
44,00 €
-14% Discount
Sale
Voca Racing
Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth 420 Alu red
Article no.: VCR-SD450.YDT.38/RE

Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth 420 Alu red

38,00 €
In stock
RRP
42,00 €
-10% Discount
Voca Racing
Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth - 420 Alu black
Article no.: VCR-SD450.YDT.38/BK

Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth - 420 Alu black

37,00 €
In stock
RRP
42,00 €
-12% Discount
Sale
Voca Racing
Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth - 420 Alu Neochrome
Article no.: VCR-SD450.YDT.38/TI

Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth - 420 Alu Neochrome

40,00 €
In stock
RRP
46,00 €
-13% Discount
Sale
Voca Racing
Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth - 420 Alu blue
Article no.: VCR-SD450.YDT.38/BL

Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth - 420 Alu blue

38,00 €
In stock
RRP
42,00 €
-10% Discount
Voca Racing
Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu Neochrome
Article no.: VCR-SD450.MRT.50/TI

Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu Neochrome

51,50 €
In stock
RRP
57,00 €
-10% Discount
Voca Racing
Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu blue
Article no.: VCR-SD450.MRT.50/BL

Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu blue

47,00 €
In stock
RRP
53,00 €
-11% Discount
Sale
Voca Racing
Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu red
Article no.: VCR-SD450.MRT.48/RE

Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu red

47,00 €
In stock
RRP
51,00 €
-8% Discount
Voca Racing
Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu black
Article no.: VCR-SD450.MRT.48/BK

Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu black

45,00 €
In stock
RRP
51,00 €
-12% Discount
Voca Racing
Rear Sprocket Beta RR 50 teeth - 420 Voca Alu red
Article no.: VCR-SD450.BETA.50/RE

Rear Sprocket Beta RR 50 teeth - 420 Voca Alu red

49,00 €
In stock
RRP
53,00 €
-8% Discount
Voca Racing
Rear Sprocket Beta RR 50 teeth - 420 Voca Alu black
Article no.: VCR-SD450.BETA.50/BK

Rear Sprocket Beta RR 50 teeth - 420 Voca Alu black

49,00 €
In stock
RRP
53,00 €
-8% Discount
Voca Racing
Rear Sprocket Beta RR 50 teeth - 420 Voca Alu Neochrome
Article no.: VCR-SD450.BETA.50/TI

Rear Sprocket Beta RR 50 teeth - 420 Voca Alu Neochrome

50,00 €
In stock
RRP
57,00 €
-12% Discount
Sale
Voca Racing
Rear Sprocket Beta RR 50 teeth - 420 Voca Alu blue
Article no.: VCR-SD450.BETA.50/BL

Rear Sprocket Beta RR 50 teeth - 420 Voca Alu blue

47,00 €
In stock
RRP
53,00 €
-11% Discount
Sale
Voca Racing
Rear Sprocket Beta RR 48 teeth - 420 Voca Alu Neochrome
Article no.: VCR-SD450.BETA.48/TI

Rear Sprocket Beta RR 48 teeth - 420 Voca Alu Neochrome

45,00 €
In stock
RRP
51,00 €
-12% Discount
Voca Racing
Rear Sprocket Aprilia SX 50cc 50 teeth - 420 Voca Alu red
Article no.: VCR-SD450.SDA.50/RE

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

50,00 €
In stock
RRP
57,00 €
-12% Discount
Sale
Voca Racing
Rear Sprocket Aprilia SX 50cc 50 teeth - 420 Voca Alu Neochrome
Article no.: VCR-SD450.SDA.50/TI

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

53,00 €
In stock
RRP
60,00 €
-12% Discount
Sale
Voca Racing
Rear Sprocket Aprilia SX 50cc 50 teeth - 420 Voca Alu blue
Article no.: VCR-SD450.SDA.50/BL

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

50,00 €
In stock
RRP
57,00 €
-12% Discount
Sale
Voca Racing
Rear Sprocket Aprilia SX 50cc 48 teeth - 420 Voca Alu red
Article no.: VCR-SD450.SDA.48/RE

Rear Sprocket Aprilia SX 50cc 48 teeth - 420 Voca Alu red

48,00 €
In stock
RRP
54,00 €
-11% Discount
Voca Racing
Rear Sprocket Aprilia SX 50cc 48 teeth - 420 Voca Alu black
Article no.: VCR-SD450.SDA.48/BK

Rear Sprocket Aprilia SX 50cc 48 teeth - 420 Voca Alu black

50,00 €
In stock
RRP
54,00 €
-7% Discount
Voca Racing
Rear Sprocket Aprilia SX 50cc 48 teeth - 420 Voca Alu Neochrome
Article no.: VCR-SD450.SDA.48/TI

Rear Sprocket Aprilia SX 50cc 48 teeth - 420 Voca Alu Neochrome

51,00 €
In stock
RRP
58,00 €
-12% Discount
Sale
Moto Master
Rear Sprocket Moto Master 420 aluminium 48 teeth orange TC / SX 65
Article no.: MMAST-12112383

Rear Sprocket Moto Master 420 aluminium 48 teeth orange TC / SX 65

35,00 €
In stock
RRP
50,00 €
-30% Discount
Sale
Moto Master
Rear Sprocket Moto Master 420 aluminium 51 teeth black KX 85
Article no.: MMAST-12112188

Rear Sprocket Moto Master 420 aluminium 51 teeth black KX 85

20,00 €
In stock
RRP
54,00 €
-63% Discount
Moto Master
Rear Sprocket Moto Master 420 steel 49 teeth TC / SX 65
Article no.: MMAST-12102284

Rear Sprocket Moto Master 420 steel 49 teeth TC / SX 65

35,00 €
In stock
RRP
49,00 €
-29% Discount
Sale
Voca Racing
Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu red
Article no.: VCR-SD450.MRT.50/RE

Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu red

49,00 €
In stock soon
RRP
53,00 €
-8% Discount
Voca Racing
Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu black
Article no.: VCR-SD450.MRT.50/BK

Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu black

49,00 €
In stock soon
RRP
53,00 €
-8% Discount
Voca Racing
Rear Sprocket Beta RR 48 teeth - 420 Voca Alu red
Article no.: VCR-SD450.BETA.48/RE

Rear Sprocket Beta RR 48 teeth - 420 Voca Alu red

41,50 €
In stock soon
RRP
47,00 €
-12% Discount
Voca Racing
Rear Sprocket Beta RR 48 teeth - 420 Voca Alu black
Article no.: VCR-SD450.BETA.48/BK

Rear Sprocket Beta RR 48 teeth - 420 Voca Alu black

45,00 €
In stock soon
RRP
47,00 €
-4% Discount
Voca Racing
Rear Sprocket Beta RR 48 teeth - 420 Voca Alu blue
Article no.: VCR-SD450.BETA.48/BL

Rear Sprocket Beta RR 48 teeth - 420 Voca Alu blue

42,50 €
In stock soon
RRP
47,00 €
-10% Discount
Voca Racing
Rear Sprocket Aprilia SX 50cc 50 teeth - 420 Voca Alu black
Article no.: VCR-SD450.SDA.50/BK

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

49,50 €
In stock soon
RRP
57,00 €
-13% Discount
Voca Racing
Rear Sprocket Aprilia SX 50cc 48 teeth - 420 Voca Alu blue
Article no.: VCR-SD450.SDA.48/BL

Rear Sprocket Aprilia SX 50cc 48 teeth - 420 Voca Alu blue

51,00 €
In stock soon
RRP
54,00 €
-6% Discount
Voca Racing
Rear Sprocket Yamaha DT 50 LC Portugal 40 teeth - 420 Alu blue
Article no.: VCR-SD450.YDT.40/BL

Rear Sprocket Yamaha DT 50 LC Portugal 40 teeth - 420 Alu blue

40,00 €
Currently not in stock
RRP
44,00 €
-9% Discount
Voca Racing
Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu blue
Article no.: VCR-SD450.MRT.48/BL

Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu blue

46,00 €
Currently not in stock
RRP
51,00 €
-10% Discount
Moto Master
Rear Sprocket Moto Master 420 aluminium 55 teeth red CR 85 / CRF 150
Article no.: MMAST-12112121

Rear Sprocket Moto Master 420 aluminium 55 teeth red CR 85 / CRF 150

51,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 15 teeth YZ 65
Article no.: MMAST-12121568

Front Sprocket Moto Master 420 15 teeth YZ 65

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 13 teeth YZ 65
Article no.: MMAST-12121566

Front Sprocket Moto Master 420 13 teeth YZ 65

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 13 teeth KX 85
Article no.: MMAST-12121513

Front Sprocket Moto Master 420 13 teeth KX 85

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 15 teeth CRF 150
Article no.: MMAST-12121497

Front Sprocket Moto Master 420 15 teeth CRF 150

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 14 teeth CRF 150
Article no.: MMAST-12121496

Front Sprocket Moto Master 420 14 teeth CRF 150

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 14 teeth TC / SX 65
Article no.: MMAST-12121488

Front Sprocket Moto Master 420 14 teeth TC / SX 65

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 13 teeth TC / SX 65
Article no.: MMAST-12121487

Front Sprocket Moto Master 420 13 teeth TC / SX 65

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 12 teeth TC / SX 65
Article no.: MMAST-12121486

Front Sprocket Moto Master 420 12 teeth TC / SX 65

16,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 48 teeth blue YZ 65
Article no.: MMAST-12112501

Rear Sprocket Moto Master 420 aluminium 48 teeth blue YZ 65

48,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 48 teeth black YZ 65
Article no.: MMAST-12112500

Rear Sprocket Moto Master 420 aluminium 48 teeth black YZ 65

48,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 47 teeth blue YZ 65
Article no.: MMAST-12112499

Rear Sprocket Moto Master 420 aluminium 47 teeth blue YZ 65

48,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 46 teeth blue YZ 65
Article no.: MMAST-12112497

Rear Sprocket Moto Master 420 aluminium 46 teeth blue YZ 65

48,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 46 teeth black YZ 65
Article no.: MMAST-12112496

Rear Sprocket Moto Master 420 aluminium 46 teeth black YZ 65

48,50 €
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 420 aluminium 44 teeth blue YZ 65
Article no.: MMAST-12112493

Rear Sprocket Moto Master 420 aluminium 44 teeth blue YZ 65

48,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 44 teeth black YZ 65
Article no.: MMAST-12112492

Rear Sprocket Moto Master 420 aluminium 44 teeth black YZ 65

48,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 Fusion 50 teeth orange TC / SX 65
Article no.: MMAST-12112397

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

65,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 Fusion 49 teeth orange TC / SX 65
Article no.: MMAST-12112396

Rear Sprocket Moto Master 420 Fusion 49 teeth orange TC / SX 65

65,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 Fusion 48 teeth orange TC / SX 65
Article no.: MMAST-12112395

Rear Sprocket Moto Master 420 Fusion 48 teeth orange TC / SX 65

65,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 Fusion 49 teeth black TC / SX 65
Article no.: MMAST-12112391

Rear Sprocket Moto Master 420 Fusion 49 teeth black TC / SX 65

65,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 Fusion 48 teeth black TC / SX 65
Article no.: MMAST-12112390

Rear Sprocket Moto Master 420 Fusion 48 teeth black TC / SX 65

65,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 Fusion 47 teeth black TC / SX 65
Article no.: MMAST-12112389

Rear Sprocket Moto Master 420 Fusion 47 teeth black TC / SX 65

65,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 Fusion 46 teeth black TC / SX 65
Article no.: MMAST-12112388

Rear Sprocket Moto Master 420 Fusion 46 teeth black TC / SX 65

65,50 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 52 teeth orange TC / SX 65
Article no.: MMAST-12112387

Rear Sprocket Moto Master 420 aluminium 52 teeth orange TC / SX 65

54,00 €
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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