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Chains and Sprockets

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Chain 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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IGM Moto Master Renthal Voca Racing
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IGM
Rear Sprocket steel 46 teeth - 420 IGM Rieju MRT
Article no.: IGM5679

Rear Sprocket steel 46 teeth - 420 IGM Rieju MRT

18,00 €
In stock
IGM
Rear Sprocket steel 65 teeth - 420 IGM Rieju MRT
Article no.: IGM13101205

Rear Sprocket steel 65 teeth - 420 IGM Rieju MRT

18,00 €
In stock
IGM
Rear Sprocket 50T – 420 IGM Generic Trigger / Yamaha DTX
Article no.: IGM85948

Rear Sprocket 50T – 420 IGM Generic Trigger / Yamaha DTX

15,50 €
In stock
IGM
Rear Sprocket 50 teeth – 420 IGM Derbi DRD Pro
Article no.: IGM88291

Rear Sprocket 50 teeth – 420 IGM Derbi DRD Pro

15,50 €
In stock
IGM
Rear Sprocket 48 teeth – 420 IGM Generic Trigger
Article no.: IGM1302-0228

Rear Sprocket 48 teeth – 420 IGM Generic Trigger

16,00 €
In stock
IGM
Rear Sprocket 48 teeth – 420 IGM Derbi DRD Pro
Article no.: IGM88290

Rear Sprocket 48 teeth – 420 IGM Derbi DRD Pro

15,50 €
In stock
IGM
Rear Sprocket 46 teeth – 420 IGM Aprilia SX 50
Article no.: IGM85193

Rear Sprocket 46 teeth – 420 IGM Aprilia SX 50

15,50 €
In stock
Voca Racing
Rear Sprocket 40T - 420 Voca Alu Neochrome Yamaha DT 50 LC Portugal
Article no.: VCR-SD450.YDT.40/TI

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

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

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

38,00 €
In stock
RRP
44,00 €
-14% Discount
Sale
IGM
Rear Sprocket steel Derbi DRD Pro 50 teeth - 420
Article no.: MF89.00334

Rear Sprocket steel Derbi DRD Pro 50 teeth - 420

20,00 €
In stock
Voca Racing
Rear Sprocket Yamaha DT 50 LC Portugal 40T - 420 Alu black
Article no.: VCR-SD450.YDT.40/BK

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

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

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

37,00 €
In stock
RRP
42,00 €
-12% Discount
Sale
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

49,00 €
In stock
RRP
57,00 €
-14% Discount
Sale
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

46,00 €
In stock
RRP
53,00 €
-13% Discount
Sale
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 black
Article no.: VCR-SD450.BETA.50/BK

Rear Sprocket Beta RR 50 teeth - 420 Voca Alu black

46,00 €
In stock
RRP
53,00 €
-13% Discount
Sale
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

49,00 €
In stock
RRP
57,00 €
-14% Discount
Sale
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

49,00 €
In stock
RRP
57,00 €
-14% Discount
Sale
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

47,00 €
In stock
RRP
54,00 €
-13% Discount
Sale
Voca Racing
Rear Sprocket Aprilia SX 50cc 48T - 420 Voca Alu Neochrome
Article no.: VCR-SD450.SDA.48/TI

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

50,00 €
In stock
RRP
58,00 €
-14% 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
Renthal
Rear Sprocket Renthal 420 Z.51 Ultra Light self-cleaning green KX 80 / 85
Article no.: REN-12111680

Rear Sprocket Renthal 420 Z.51 Ultra Light self-cleaning green KX 80 / 85

62,00 €
In stock
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 40T - 420 Alu blue
Article no.: VCR-SD450.YDT.40/BL

Rear Sprocket Yamaha DT 50 LC Portugal 40T - 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 red
Article no.: VCR-SD450.MRT.48/RE

Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu red

47,00 €
Currently not in stock
RRP
51,00 €
-8% Discount
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

50,00 €
Currently not in stock
RRP
53,00 €
-6% Discount
Moto Master
Rear Sprocket Moto Master 420 alu 55T red CR 85 / CRF 150
Article no.: MMAST-12112121

Rear Sprocket Moto Master 420 alu 55T red CR 85 / CRF 150

51,00 €
Currently not in stock
Renthal
Chain 420 R1 Works 120 links
Article no.: REN-R1420120

Chain 420 R1 Works 120 links

37,00 €
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 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
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 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 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 49T orange TC / SX 65
Article no.: MMAST-12112396

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

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

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

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

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

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

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

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

Rear Sprocket Moto Master 420 alu 52T orange TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 49T orange TC / SX 65
Article no.: MMAST-12112384

Rear Sprocket Moto Master 420 alu 49T orange TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 47T orange TC / SX 65
Article no.: MMAST-12112382

Rear Sprocket Moto Master 420 alu 47T orange TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 46T orange TC / SX 65
Article no.: MMAST-12112381

Rear Sprocket Moto Master 420 alu 46T orange TC / SX 65

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

Rear Sprocket Moto Master 420 alu 45T orange TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 44T orange TC / SX 65
Article no.: MMAST-12112379

Rear Sprocket Moto Master 420 alu 44T orange TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 52T black TC / SX 65
Article no.: MMAST-12112378

Rear Sprocket Moto Master 420 alu 52T black TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 51T black TC / SX 65
Article no.: MMAST-12112377

Rear Sprocket Moto Master 420 alu 51T black 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 420 alu 48T black TC / SX 65
Article no.: MMAST-12112374

Rear Sprocket Moto Master 420 alu 48T black TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 47T black TC / SX 65
Article no.: MMAST-12112373

Rear Sprocket Moto Master 420 alu 47T black TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 46T black TC / SX 65
Article no.: MMAST-12112372

Rear Sprocket Moto Master 420 alu 46T black TC / SX 65

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

Rear Sprocket Moto Master 420 alu 45T black TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 alu 44T black TC / SX 65
Article no.: MMAST-12112370

Rear Sprocket Moto Master 420 alu 44T black TC / SX 65

54,00 €
Currently not in stock
Moto Master
Rear Sprocket Moto Master 420 Fusion 49 teeth black KX 65
Article no.: MMAST-12112369

Rear Sprocket Moto Master 420 Fusion 49 teeth black KX 65

65,00 €
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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