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Chains and Sprockets

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Chain kit Chain rear sprocket
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AFAM IGM Moose Racing Moto Master Renthal Standard Parts Voca Racing
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AFAM IGM Moose Racing
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Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing Beta RR 50 teeth red
Article no.: MR12101542

Rear Sprocket aluminium / steel 520 Moose Racing Beta RR 50 teeth red

61,00 €
In stock
Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing Beta / Honda 50 teeth black
Article no.: MR12101466

Rear Sprocket aluminium / steel 520 Moose Racing Beta / Honda 50 teeth black

61,00 €
In stock
Moose Racing
Rear Sprocket aluminium 520 Moose Racing Beta RR 50 teeth red
Article no.: MR12111867

Rear Sprocket aluminium 520 Moose Racing Beta RR 50 teeth red

29,00 €
In stock
RRP
46,00 €
-37% Discount
Sale
Moose Racing
Rear Sprocket aluminium 428 Moose Racing RM / YZ 85 50 teeth blue
Article no.: MR12111614

Rear Sprocket aluminium 428 Moose Racing RM / YZ 85 50 teeth blue

36,00 €
In stock
RRP
42,00 €
-14% Discount
Sale
AFAM
Chain Kit AFAM 12x50 428 Beta 50 RR Factory 2005 - 2013
Article no.: CGN490504

Chain Kit AFAM 12x50 428 Beta 50 RR Factory 2005 - 2013

67,00 €
In stock
67,50 €
-1% Discount
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
AFAM
Rear Sprocket Afam aluminium self-cleaning 428 / 50 teeth RM / YZ 85
Article no.: 1074532004

Rear Sprocket Afam aluminium self-cleaning 428 / 50 teeth RM / YZ 85

23,00 €
In stock
RRP
48,50 €
-53% Discount
AFAM
Rear Sprocket steel 50 teeth - 428 Afam Rieju MRT
Article no.: AFAM47200-50

Rear Sprocket steel 50 teeth - 428 Afam Rieju MRT

25,50 €
In stock
AFAM
Rear Sprocket steel 50 teeth - 420 Afam Rieju MRT
Article no.: AFAM47103-50

Rear Sprocket steel 50 teeth - 420 Afam Rieju MRT

20,00 €
In stock
AFAM
Rear Sprocket steel 50 teeth - 420 AFAM Beta RR
Article no.: AFAM38101-50

Rear Sprocket steel 50 teeth - 420 AFAM Beta RR

21,00 €
In stock
AFAM
Rear Sprocket steel 50 teeth - 420 AFAM Beta RR (02 - 05) / Caballero
Article no.: AFAM92115-50

Rear Sprocket steel 50 teeth - 420 AFAM Beta RR (02 - 05) / Caballero

24,50 €
In stock
Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing Yamaha 50 teeth black
Article no.: MR12101481

Rear Sprocket aluminium / steel 520 Moose Racing Yamaha 50 teeth black

60,00 €
Currently not in stock
RRP
70,00 €
-14% Discount
Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing KTM / Husqvarna 50 teeth blue
Article no.: MR12101829

Rear Sprocket aluminium / steel 520 Moose Racing KTM / Husqvarna 50 teeth blue

61,00 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing Beta / Husqvarna 50 teeth blue
Article no.: MR12101826

Rear Sprocket aluminium / steel 520 Moose Racing Beta / Husqvarna 50 teeth blue

61,00 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium / steel 428 Moose Racing TC / SX 85 50 teeth orange
Article no.: MR12101823

Rear Sprocket aluminium / steel 428 Moose Racing TC / SX 85 50 teeth orange

61,00 €
Currently not in stock
Moose Racing
Rear Sprocket steel 520 Moose Racing Yamaha 50 teeth black
Article no.: MR12101790

Rear Sprocket steel 520 Moose Racing Yamaha 50 teeth black

27,50 €
Currently not in stock
Moose Racing
Rear Sprocket steel 520 Moose Racing RM / RM-Z 50 teeth black
Article no.: MR12101786

Rear Sprocket steel 520 Moose Racing RM / RM-Z 50 teeth black

27,50 €
Currently not in stock
Moose Racing
Rear Sprocket steel 520 Moose Racing KX / KXF 50 teeth black
Article no.: MR12101779

Rear Sprocket steel 520 Moose Racing KX / KXF 50 teeth black

27,50 €
Currently not in stock
Moose Racing
Rear Sprocket steel 520 Moose Racing Beta / Husqvarna 50 teeth black
Article no.: MR12101736

Rear Sprocket steel 520 Moose Racing Beta / Husqvarna 50 teeth black

27,50 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing 50 teeth red
Article no.: MR12101536

Rear Sprocket aluminium / steel 520 Moose Racing 50 teeth red

61,00 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing KTM / Husqvarna 50 teeth
Article no.: MR12101521

Rear Sprocket aluminium / steel 520 Moose Racing KTM / Husqvarna 50 teeth

61,00 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing 50 teeth black
Article no.: MR12101512

Rear Sprocket aluminium / steel 520 Moose Racing 50 teeth black

61,00 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing KX / KXF 50 teeth black
Article no.: MR12101494

Rear Sprocket aluminium / steel 520 Moose Racing KX / KXF 50 teeth black

61,00 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing Beta / Honda 50 teeth
Article no.: MR12101467

Rear Sprocket aluminium / steel 520 Moose Racing Beta / Honda 50 teeth

61,00 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium 520 Moose Racing 50 teeth blue
Article no.: MR12111907

Rear Sprocket aluminium 520 Moose Racing 50 teeth blue

39,50 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium 520 Moose Racing 50 teeth red
Article no.: MR12111652

Rear Sprocket aluminium 520 Moose Racing 50 teeth red

39,50 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium 520 Moose Racing Yamaha 50 teeth
Article no.: MR12111588

Rear Sprocket aluminium 520 Moose Racing Yamaha 50 teeth

39,50 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium 520 Moose Racing Beta / Honda 50 teeth
Article no.: MR12111515

Rear Sprocket aluminium 520 Moose Racing Beta / Honda 50 teeth

39,50 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium 520 Moose Racing KX / KXF 50 teeth black
Article no.: MR12111467

Rear Sprocket aluminium 520 Moose Racing KX / KXF 50 teeth black

39,50 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium 520 Moose Racing Beta / Honda 50 teeth black
Article no.: MR12111417

Rear Sprocket aluminium 520 Moose Racing Beta / Honda 50 teeth black

39,50 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium 420 Moose Racing TC / SX 65 50 teeth orange
Article no.: MR12111656

Rear Sprocket aluminium 420 Moose Racing TC / SX 65 50 teeth orange

39,50 €
Currently not in stock
Moose Racing
Rear Sprocket aluminium 520 Moose Racing Honda / Beta 450 teeth red
Article no.: MR12111635

Rear Sprocket aluminium 520 Moose Racing Honda / Beta 450 teeth red

39,50 €
Currently not in stock
AFAM
Chain Kit Afam MX5 (ultra-light self-cleaning rear sprocket) KTM SX 250
Article no.: 48013233

Chain Kit Afam MX5 (ultra-light self-cleaning rear sprocket) KTM SX 250

146,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 KTM 14/50
Article no.: 48011961

Chain Kit Afam 520 MR2 KTM 14/50

127,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 YZ 125 13/50 original 1993
Article no.: 48011606

Chain Kit Afam 520 MR2 YZ 125 13/50 original 1993

107,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 RM 250 13/50
Article no.: 48011455

Chain Kit Afam 520 MR2 RM 250 13/50

104,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 RM 125 12/50
Article no.: 48011431

Chain Kit Afam 520 MR2 RM 125 12/50

107,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 SX 125 13/50 original 1994-1997
Article no.: 48011235

Chain Kit Afam 520 MR2 SX 125 13/50 original 1994-1997

105,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 SX 125 13/50 original 1998
Article no.: 48011211

Chain Kit Afam 520 MR2 SX 125 13/50 original 1998

104,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 Husqvarna CR 250 14/50 ultra-light rear sprocket
Article no.: 48011091

Chain Kit Afam 520 MR2 Husqvarna CR 250 14/50 ultra-light rear sprocket

130,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 Husqvarna CR 250 15/50 ultra-light rear sprocket
Article no.: 48011086

Chain Kit Afam 520 MR2 Husqvarna CR 250 15/50 ultra-light rear sprocket

132,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 Husqvarna CR 125 12/50 ultra-light rear sprocket
Article no.: 48011049

Chain Kit Afam 520 MR2 Husqvarna CR 125 12/50 ultra-light rear sprocket

106,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 Husqvarna CR 125 12/50
Article no.: 48011032

Chain Kit Afam 520 MR2 Husqvarna CR 125 12/50

104,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 CR 250 13/50
Article no.: 48010399

Chain Kit Afam 520 MR2 CR 250 13/50

126,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 KX 125 13/50 original 2004-2008
Article no.: 48010272

Chain Kit Afam 520 MR2 KX 125 13/50 original 2004-2008

124,00 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 50 teeth Beta RR
Article no.: 1074641003

Rear Sprocket Afam steel self-cleaning 50 teeth Beta RR

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 50 teeth Beta / Sherco
Article no.: 1074496003

Rear Sprocket Afam steel self-cleaning 50 teeth Beta / Sherco

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 50 teeth Honda CR / CRF / XR
Article no.: 1074330003

Rear Sprocket Afam steel self-cleaning 50 teeth Honda CR / CRF / XR

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 50 teeth Kawasaki KX / KXF
Article no.: 1074558003

Rear Sprocket Afam steel self-cleaning 50 teeth Kawasaki KX / KXF

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 420 / 50 teeth KX 80 / 85
Article no.: 1074595002

Rear Sprocket Afam aluminium self-cleaning 420 / 50 teeth KX 80 / 85

43,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 50 teeth KTM / Husqvarna
Article no.: 1074735006

Rear Sprocket Afam aluminium self-cleaning 50 teeth KTM / Husqvarna

58,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 50 teeth Yamaha YZ / YZF
Article no.: 1074471004

Rear Sprocket Afam aluminium 50 teeth Yamaha YZ / YZF

46,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 50 teeth Kawasaki
Article no.: 1074602012

Rear Sprocket Afam aluminium self-cleaning 50 teeth Kawasaki

46,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 50 teeth Beta / GasGas / Husqvarna
Article no.: 1074538003

Rear Sprocket Afam aluminium self-cleaning 50 teeth Beta / GasGas / Husqvarna

54,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 50 teeth KTM 65
Article no.: 1074724004

Rear Sprocket Afam aluminium self-cleaning 50 teeth KTM 65

43,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 50 teeth Beta
Article no.: 1074642003

Rear Sprocket Afam aluminium self-cleaning 50 teeth Beta

54,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 50 teeth Yamaha YZ / YZF
Article no.: 1074470005

Rear Sprocket Afam aluminium self-cleaning 50 teeth Yamaha YZ / YZF

54,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 50 teeth KTM 65
Article no.: 1074725003

Rear Sprocket Afam aluminium self-cleaning 50 teeth KTM 65

37,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 50 teeth Kawasaki KX / KXF
Article no.: 1074600004

Rear Sprocket Afam aluminium self-cleaning 50 teeth Kawasaki KX / KXF

54,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel 50 teeth Yamaha YZ 125 / 250
Article no.: 1074447004

Rear Sprocket Afam steel 50 teeth Yamaha YZ 125 / 250

45,50 €
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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