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Chains and Sprockets

(54 products)
Gearboxes Chains and Sprockets Gear Drives Transmission Accessories
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1289
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54
1289
products
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Product type
Chain kit Chain rear sprocket
Brand
AFAM Moose Racing Moto Master
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Moose Racing
Rear Sprocket aluminium 520 Moose Racing Yamaha 49 teeth after 1999
Article no.: MR12111587

Rear Sprocket aluminium 520 Moose Racing Yamaha 49 teeth after 1999

14,50 €
In stock
RRP
39,50 €
-63% Discount
Moto Master
Rear Sprocket Moto Master 520 alu 49T orange KTM Freeride
Article no.: MMAST-12112436

Rear Sprocket Moto Master 520 alu 49T orange KTM Freeride

33,00 €
In stock
RRP
51,00 €
-35% Discount
Moto Master
Rear Sprocket Moto Master 520 Fusion 49T blue YZ / YZF
Article no.: MMAST-12112321

Rear Sprocket Moto Master 520 Fusion 49T blue YZ / YZF

53,00 €
In stock
RRP
80,00 €
-34% Discount
Moto Master
Rear Sprocket Moto Master 520 alu 49T black YZ / YZF
Article no.: MMAST-12112297

Rear Sprocket Moto Master 520 alu 49T black YZ / YZF

36,00 €
In stock
RRP
50,00 €
-28% Discount
Sale
Moto Master
Rear Sprocket Moto Master 420 steel 49T TC / SX 65
Article no.: MMAST-12102284

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

49,00 €
In stock
AFAM
Rear Sprocket Afam steel 49 teeth Yamaha YZ 125 / 250
Article no.: 1074432011

Rear Sprocket Afam steel 49 teeth Yamaha YZ 125 / 250

30,00 €
In stock
RRP
47,00 €
-36% Discount
AFAM
Rear Sprocket steel 49T - 428 Afam Yamaha TZR
Article no.: AFAM12202-49

Rear Sprocket steel 49T - 428 Afam Yamaha TZR

26,50 €
In stock
AFAM
Chain Kit AFAM 14x49 Yamaha SR 125 1992 - 2002
Article no.: AFAMKS-A-24

Chain Kit AFAM 14x49 Yamaha SR 125 1992 - 2002

45,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 TM 12/49 ultra-light rear sprocket
Article no.: 48011991

Chain Kit Afam 520 MR2 TM 12/49 ultra-light rear sprocket

126,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 RM 125 12/49 original 1992-1993
Article no.: 48011445

Chain Kit Afam 520 MR2 RM 125 12/49 original 1992-1993

107,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 RM 250 13/49
Article no.: 48011436

Chain Kit Afam 520 MR2 RM 250 13/49

107,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 RM 250 13/49 original 1994-1996
Article no.: 48011434

Chain Kit Afam 520 MR2 RM 250 13/49 original 1994-1996

108,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 KX 125 12/49 ultra-light rear sprocket
Article no.: 48011185

Chain Kit Afam 520 MR2 KX 125 12/49 ultra-light rear sprocket

107,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 KX 250 14/49 original 1992-1993
Article no.: 48011140

Chain Kit Afam 520 MR2 KX 250 14/49 original 1992-1993

106,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 CR 250 13/49 original 1994-1996
Article no.: 48010911

Chain Kit Afam 520 MR2 CR 250 13/49 original 1994-1996

107,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 CR 250 13/49 original 1990-1993
Article no.: 48010895

Chain Kit Afam 520 MR2 CR 250 13/49 original 1990-1993

106,00 €
Currently not in stock
AFAM
Chain Kit Afam 428 MX CR 85 15/49
Article no.: 48010409

Chain Kit Afam 428 MX CR 85 15/49

104,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 CR 125 12/49
Article no.: 48010395

Chain Kit Afam 520 MR2 CR 125 12/49

124,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 KX 125 12/49
Article no.: 48010259

Chain Kit Afam 520 MR2 KX 125 12/49

104,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 KX 250 14 / 49
Article no.: 48010258

Chain Kit Afam 520 MR2 KX 250 14 / 49

129,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 KX 125 12 / 49
Article no.: 48010235

Chain Kit Afam 520 MR2 KX 125 12 / 49

122,00 €
Currently not in stock
AFAM
Chain Kit Afam 520 MR2 KX 250 13 / 49
Article no.: 48010228

Chain Kit Afam 520 MR2 KX 250 13 / 49

124,00 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 49 teeth Beta RR
Article no.: 1074641002

Rear Sprocket Afam steel self-cleaning 49 teeth Beta RR

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 49 teeth Suzuki RM-Z 250 / 450
Article no.: 1074493003

Rear Sprocket Afam steel self-cleaning 49 teeth Suzuki RM-Z 250 / 450

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 49 teeth Beta / Sherco
Article no.: 1074496002

Rear Sprocket Afam steel self-cleaning 49 teeth Beta / Sherco

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 49 teeth Honda CR / CRF / XR
Article no.: 1074330002

Rear Sprocket Afam steel self-cleaning 49 teeth Honda CR / CRF / XR

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 49 teeth Kawasaki KX / KXF
Article no.: 1074558002

Rear Sprocket Afam steel self-cleaning 49 teeth Kawasaki KX / KXF

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 49 teeth Yamaha YZ / YZF
Article no.: 1074433003

Rear Sprocket Afam steel self-cleaning 49 teeth Yamaha YZ / YZF

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel self-cleaning 49 teeth KTM / Husqvarna
Article no.: 1074718002

Rear Sprocket Afam steel self-cleaning 49 teeth KTM / Husqvarna

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 49 teeth Honda CR / CRF / XR
Article no.: 1074390013

Rear Sprocket Afam aluminium 49 teeth Honda CR / CRF / XR

45,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 49 teeth Yamaha YZ / YZF
Article no.: 1074470004

Rear Sprocket Afam aluminium self-cleaning 49 teeth Yamaha YZ / YZF

53,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 49 teeth GasGas / Sherco
Article no.: 1074539011

Rear Sprocket Afam aluminium 49 teeth GasGas / Sherco

45,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 428 / 49 teeth SX / TC 85
Article no.: 1074726004

Rear Sprocket Afam aluminium self-cleaning 428 / 49 teeth SX / TC 85

48,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 49 teeth Yamaha YZ 125 / 250
Article no.: 1074475002

Rear Sprocket Afam aluminium 49 teeth Yamaha YZ 125 / 250

45,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 49 teeth Suzuki RM-Z 250 / 450
Article no.: 1074536003

Rear Sprocket Afam aluminium self-cleaning 49 teeth Suzuki RM-Z 250 / 450

53,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 49 teeth Honda CR / CRF / XR
Article no.: 1074389008

Rear Sprocket Afam aluminium self-cleaning 49 teeth Honda CR / CRF / XR

53,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 49 teeth Beta
Article no.: 1074642002

Rear Sprocket Afam aluminium self-cleaning 49 teeth Beta

53,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 49 teeth Suzuki RM-Z 250 / 450
Article no.: 1074537009

Rear Sprocket Afam aluminium 49 teeth Suzuki RM-Z 250 / 450

45,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 49 teeth GasGas / Husqvarna
Article no.: 1074538002

Rear Sprocket Afam aluminium 49 teeth GasGas / Husqvarna

53,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 420 / 49 teeth CR 80 / 85
Article no.: 1074384001

Rear Sprocket Afam aluminium 420 / 49 teeth CR 80 / 85

37,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 428 / 49 teeth SX / TC 85
Article no.: 1074727002

Rear Sprocket Afam aluminium 428 / 49 teeth SX / TC 85

41,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 49 teeth Kawasaki KX / KXF
Article no.: 1074600003

Rear Sprocket Afam aluminium 49 teeth Kawasaki KX / KXF

53,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 49 teeth Yamaha YZ / YZF
Article no.: 1074471003

Rear Sprocket Afam aluminium 49 teeth Yamaha YZ / YZF

45,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 49 teeth KTM / Husqvarna
Article no.: 1074736003

Rear Sprocket Afam aluminium 49 teeth KTM / Husqvarna

45,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium 428 / 49 teeth RM / YZ 85
Article no.: 1074533004

Rear Sprocket Afam aluminium 428 / 49 teeth RM / YZ 85

41,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 49 teeth KTM / Husqvarna
Article no.: 1074735005

Rear Sprocket Afam aluminium self-cleaning 49 teeth KTM / Husqvarna

53,00 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 420 / 49 teeth KX 80 / 85
Article no.: 1074595001

Rear Sprocket Afam aluminium self-cleaning 420 / 49 teeth KX 80 / 85

43,50 €
Currently not in stock
AFAM
Rear Sprocket Afam aluminium self-cleaning 49 teeth Kawasaki KX / KXF
Article no.: 1074602011

Rear Sprocket Afam aluminium self-cleaning 49 teeth Kawasaki KX / KXF

45,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel 49 teeth Suzuki RM-Z 250 / 450
Article no.: 1074492007

Rear Sprocket Afam steel 49 teeth Suzuki RM-Z 250 / 450

45,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel 49 teeth Honda CR / CRF / XR
Article no.: 1074329005

Rear Sprocket Afam steel 49 teeth Honda CR / CRF / XR

45,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel 49 teeth Beta / Husqvarna / Sherco
Article no.: 1074495006

Rear Sprocket Afam steel 49 teeth Beta / Husqvarna / Sherco

45,50 €
Currently not in stock
AFAM
Rear Sprocket Afam steel 49 teeth Kawasaki KX / KXF
Article no.: 1074556004

Rear Sprocket Afam steel 49 teeth Kawasaki KX / KXF

45,50 €
Currently not in stock
AFAM
Chain Kit AFAM XS-Ring extra reinf. 15x49 Aprilia RX125 2008 - 2010
Article no.: AFAMKS-A-186

Chain Kit AFAM XS-Ring extra reinf. 15x49 Aprilia RX125 2008 - 2010

116,00 €
Currently not in stock
AFAM
Chain Kit AFAM XS-Ring 15x49 Aprilia RX125 2008 - 2010
Article no.: AFAMKS-A-185

Chain Kit AFAM XS-Ring 15x49 Aprilia RX125 2008 - 2010

103,00 €
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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