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Chains and Sprockets

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Product type
Chain Chain accessories Chain guide Chain kit Chain master link Chain roller Chain slider Chain tensioner Circlip Front sprocket Ignition lock Pulley gear Chain rear sprocket Transmission gear Washer Sprocket bolt
Brand
AFAM Conti Derbi Doppler IGM Iris KMC Malossi Moose Racing Moto Master MotoForce MotoForce Racing Piaggio Renthal Stage6 Standard Parts STR8 Voca Racing YCF YCF Factory
Inside diameter
44 mm 58 mm 62 mm 94 mm 98 mm 100 mm 102 mm 105 mm 108 mm 110 mm 136 mm 140 mm
Bolt pattern
4-hole 5-hole 6-hole 3x2 holes 10-hole 11-hole
Chain links
74 78 80 84 86 88 90 94 96 98 100 102 104 106 108 110 112 114 116 118 120 122 124 126 128 130 132 134 136 138 140 142 144 146 148 150
Colour
Black Blue Chrome Gold Green Grey Orange Pink Purple Red Silver Turquoise White Yellow Néochrome
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Renthal
Front Sprocket Renthal 520 T14 self-cleaning RM 250 / DR-Z 400
Article no.: REN-R25552014

Front Sprocket Renthal 520 T14 self-cleaning RM 250 / DR-Z 400

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 self-cleaning RM 125
Article no.: REN-R25452013

Front Sprocket Renthal 520 T13 self-cleaning RM 125

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T12 self-cleaning RM 125
Article no.: REN-R25452012

Front Sprocket Renthal 520 T12 self-cleaning RM 125

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T15 self-cleaning CR 250 / CRF 450
Article no.: REN-R25352015

Front Sprocket Renthal 520 T15 self-cleaning CR 250 / CRF 450

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 self-cleaning CR 250 / CRF 450
Article no.: REN-R25352013

Front Sprocket Renthal 520 T13 self-cleaning CR 250 / CRF 450

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T15 self-cleaning Kawasaki KX 250
Article no.: REN-R25252015

Front Sprocket Renthal 520 T15 self-cleaning Kawasaki KX 250

22,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T14 self-cleaning Kawasaki KX 250
Article no.: REN-R25252014

Front Sprocket Renthal 520 T14 self-cleaning Kawasaki KX 250

22,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 self-cleaning Kawasaki KX 250
Article no.: REN-R25252013

Front Sprocket Renthal 520 T13 self-cleaning Kawasaki KX 250

22,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T12 self-cleaning Kawasaki KX 250
Article no.: REN-R25252012

Front Sprocket Renthal 520 T12 self-cleaning Kawasaki KX 250

22,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T15 XTX 660
Article no.: REN-12121675

Front Sprocket Renthal 520 T15 XTX 660

26,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 CR / WR 250
Article no.: REN-12121673

Front Sprocket Renthal 520 T13 CR / WR 250

24,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T14 XTX 660
Article no.: REN-12121672

Front Sprocket Renthal 520 T14 XTX 660

26,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T12 EC 250 / 300
Article no.: REN-12121651

Front Sprocket Renthal 520 T12 EC 250 / 300

29,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 self-cleaning EC 250 / 300
Article no.: REN-12121639

Front Sprocket Renthal 520 T13 self-cleaning EC 250 / 300

30,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T14 Ultra Light KXF 450
Article no.: REN-12121637

Front Sprocket Renthal 520 T14 Ultra Light KXF 450

28,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 Ultra Light CR 125 / CRF 250
Article no.: REN-12121634

Front Sprocket Renthal 520 T13 Ultra Light CR 125 / CRF 250

32,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 Ultra Light KXF 250
Article no.: REN-12121631

Front Sprocket Renthal 520 T13 Ultra Light KXF 250

32,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T16 Husqvarna 701
Article no.: REN-12121625

Front Sprocket Renthal 520 T16 Husqvarna 701

31,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 428 T13 TC / SX 85
Article no.: REN-12121585

Front Sprocket Renthal 428 T13 TC / SX 85

22,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 420 T14 self-cleaning YZ 65
Article no.: REN-12121460

Front Sprocket Renthal 420 T14 self-cleaning YZ 65

25,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 428 T14 self-cleaning TC / SX 85 after 2018
Article no.: REN-12121459

Front Sprocket Renthal 428 T14 self-cleaning TC / SX 85 after 2018

25,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 self-cleaning CRF 250
Article no.: REN-12121438

Front Sprocket Renthal 520 T13 self-cleaning CRF 250

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 Ultra Light self-cleaning RM-Z 250 after 2013
Article no.: REN-12121298

Front Sprocket Renthal 520 T13 Ultra Light self-cleaning RM-Z 250 after 2013

27,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 Ultra Light self-cleaning RM-Z 450 after 2013
Article no.: REN-12121212

Front Sprocket Renthal 520 T13 Ultra Light self-cleaning RM-Z 450 after 2013

30,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T14 Ultra Light KTM / Husqvarna / Beta
Article no.: REN-12120885

Front Sprocket Renthal 520 T14 Ultra Light KTM / Husqvarna / Beta

32,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 Ultra Light KTM / Husqvarna / Beta
Article no.: REN-12120884

Front Sprocket Renthal 520 T13 Ultra Light KTM / Husqvarna / Beta

32,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 self-cleaning CR / WR 250
Article no.: REN-12120838

Front Sprocket Renthal 520 T13 self-cleaning CR / WR 250

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 428 T14 self-cleaning TC / SX 85 2004-2017
Article no.: REN-12120828

Front Sprocket Renthal 428 T14 self-cleaning TC / SX 85 2004-2017

25,00 €
Currently not in stock
Renthal
Front Sprocket Renthal 415 T12 TC / SX 50
Article no.: REN-12120827

Front Sprocket Renthal 415 T12 TC / SX 50

28,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 415 T10 TC / SX 50
Article no.: REN-12120825

Front Sprocket Renthal 415 T10 TC / SX 50

28,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 self-cleaning TC 250 / TE 310
Article no.: REN-12120728

Front Sprocket Renthal 520 T13 self-cleaning TC 250 / TE 310

22,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T14 self-cleaning KXF 450
Article no.: REN-12120208

Front Sprocket Renthal 520 T14 self-cleaning KXF 450

22,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 KXF 450
Article no.: REN-12120207

Front Sprocket Renthal 520 T13 KXF 450

19,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T14 self-cleaning KXF 250
Article no.: REN-12120204

Front Sprocket Renthal 520 T14 self-cleaning KXF 250

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 self-cleaning KXF 250
Article no.: REN-12120203

Front Sprocket Renthal 520 T13 self-cleaning KXF 250

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T15 self-cleaning KTM / Husqvarna / Beta
Article no.: REN-12120046

Front Sprocket Renthal 520 T15 self-cleaning KTM / Husqvarna / Beta

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T14 self-cleaning CR 125 / CRF 250
Article no.: REN-12120025

Front Sprocket Renthal 520 T14 self-cleaning CR 125 / CRF 250

26,50 €
Currently not in stock
Renthal
Front Sprocket Renthal 520 T13 self-cleaning CR 125 / CRF 250
Article no.: REN-12120024

Front Sprocket Renthal 520 T13 self-cleaning CR 125 / CRF 250

26,50 €
Currently not in stock
Standard Parts
Front Sprocket 18 teeth (old version) Simson
Article no.: MOF-41875

Front Sprocket 18 teeth (old version) Simson

3,40 €
Currently not in stock
4,00 €
-15% Discount
Standard Parts
Front Sprocket 16 teeth (old version) Simson
Article no.: MOF-41743

Front Sprocket 16 teeth (old version) Simson

7,00 €
Currently not in stock
8,00 €
-13% Discount
Standard Parts
Front Sprocket 15 teeth (old version) Simson
Article no.: MOF-41742

Front Sprocket 15 teeth (old version) Simson

10,00 €
Currently not in stock
Standard Parts
Front Sprocket 13 teeth (old version) Simson
Article no.: MOF-41740

Front Sprocket 13 teeth (old version) Simson

11,00 €
Currently not in stock
Standard Parts
Lock Plate front sprocket Simson
Article no.: MOF-41538

Lock Plate front sprocket Simson

1,10 €
Currently not in stock
2,00 €
-45% Discount
Standard Parts
Front Sprocket 18 teeth 1/2x5.4 Simson
Article no.: MOF-40813

Front Sprocket 18 teeth 1/2x5.4 Simson

5,30 €
Currently not in stock
Standard Parts
Front Sprocket 12 teeth 1/2x5.4 Simson
Article no.: MOF-40807

Front Sprocket 12 teeth 1/2x5.4 Simson

5,30 €
Currently not in stock
Standard Parts
Rear Sprocket 34 teeth Simson
Article no.: MOF-40806

Rear Sprocket 34 teeth Simson

34,50 €
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 MX5 14/50 KTM SX 250
Article no.: 48013231

Chain Kit Afam MX5 14/50 KTM SX 250

148,00 €
Currently not in stock
AFAM
Chain Kit Afam 415 type F (ultra-light self-cleaning rear sprocket) KTM SX 50
Article no.: 48012999

Chain Kit Afam 415 type F (ultra-light self-cleaning rear sprocket) KTM SX 50

59,00 €
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 KTM 13/48
Article no.: 48011978

Chain Kit Afam 520 MR2 KTM 13/48

122,00 €
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 SX 250 13/50 self-cleaning rear sprocket
Article no.: 48011947

Chain Kit Afam 520 MR2 SX 250 13/50 self-cleaning rear sprocket

130,00 €
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 YZ 125 13/50 original 1995
Article no.: 48011599

Chain Kit Afam 520 MR2 YZ 125 13/50 original 1995

106,00 €
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 12/49 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 125 13/51 ultra-light rear sprocket
Article no.: 48011442

Chain Kit Afam 520 MR2 RM 125 13/51 ultra-light rear sprocket

108,00 €
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
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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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