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Chains and Sprockets

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Chain Chain kit Chain master link Front sprocket Chain rear sprocket
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AFAM D.I.D Moose Racing Moto Master Prox Renthal
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Moose Racing
Rear Sprocket steel 520 Moose Racing Beta / Honda 47 teeth black
Article no.: MR12101754

Rear Sprocket steel 520 Moose Racing Beta / Honda 47 teeth black

10,50 €
In stock
RRP
27,50 €
-62% Discount
Moose Racing
Rear Sprocket steel 520 Moose Racing KTM / Husqvarna 52 teeth black
Article no.: MR12101752

Rear Sprocket steel 520 Moose Racing KTM / Husqvarna 52 teeth black

24,00 €
In stock
RRP
32,00 €
-25% Discount
Sale
Moose Racing
Rear Sprocket steel 520 Moose Racing KTM / Husqvarna 50 teeth black
Article no.: MR12101750

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

24,00 €
In stock
RRP
32,00 €
-25% Discount
Sale
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 Yamaha 48 teeth blue
Article no.: MR12101477

Rear Sprocket aluminium / steel 520 Moose Racing Yamaha 48 teeth blue

55,00 €
In stock
RRP
70,00 €
-21% Discount
Sale
Moose Racing
Rear Sprocket aluminium / steel 520 Moose Racing Beta / Honda 51 teeth red
Article no.: MR12101471

Rear Sprocket aluminium / steel 520 Moose Racing Beta / Honda 51 teeth red

60,00 €
In stock
RRP
70,00 €
-14% Discount
Sale
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 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
Moose Racing
Rear Sprocket aluminium 520 Moose Racing Beta / Honda 49 teeth
Article no.: MR12111514

Rear Sprocket aluminium 520 Moose Racing Beta / Honda 49 teeth

14,50 €
In stock
RRP
39,50 €
-63% Discount
Moose Racing
Rear Sprocket aluminium 520 Moose Racing KTM / Husqvarna 48 teeth black
Article no.: MR12111454

Rear Sprocket aluminium 520 Moose Racing KTM / Husqvarna 48 teeth black

36,00 €
In stock
RRP
46,00 €
-22% Discount
Sale
Moose Racing
Rear Sprocket aluminium 520 Moose Racing Beta / Husqvarna 42 teeth black
Article no.: MR12111434

Rear Sprocket aluminium 520 Moose Racing Beta / Husqvarna 42 teeth black

14,50 €
In stock
RRP
39,50 €
-63% Discount
Moose Racing
Rear Sprocket aluminium 520 Moose Racing KTM / Husqvarna 50 teeth orange
Article no.: MR12111662

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

36,00 €
In stock
RRP
46,00 €
-22% Discount
Sale
AFAM
Chain motocross AFAM A520MR2G - clip
Article no.: AFAMA520MR2-G

Chain motocross AFAM A520MR2G - clip

from 44,00 €
In stock
45,50 €
-3% Discount
AFAM
Chain motocross AFAM A520XRR3G X-Ring - clip
Article no.: AFAMA520XRR3-G

Chain motocross AFAM A520XRR3G X-Ring - clip

from 95,00 €
In stock
106,00 €
-10% Discount
AFAM
Chain Kit Afam 520 MR2 KTM 14/48
Article no.: 48011974

Chain Kit Afam 520 MR2 KTM 14/48

108,00 €
In stock
AFAM
Chain Kit Afam 520 MR2 YZ 125 13/51 ultra-light rear sprocket
Article no.: 48011608

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

45,50 €
In stock
RRP
106,00 €
-57% Discount
AFAM
Chain Kit Afam 520 MR2 CR 125 13/51 1990-1997
Article no.: 48010865

Chain Kit Afam 520 MR2 CR 125 13/51 1990-1997

109,00 €
In stock
AFAM
Rear Sprocket Afam steel self-cleaning 51 teeth Yamaha YZ / YZF
Article no.: 1074433005

Rear Sprocket Afam steel self-cleaning 51 teeth Yamaha YZ / YZF

19,50 €
In stock
RRP
51,00 €
-62% Discount
AFAM
Rear Sprocket Afam steel self-cleaning 48 teeth Kawasaki KX / KXF
Article no.: 1074558001

Rear Sprocket Afam steel self-cleaning 48 teeth Kawasaki KX / KXF

18,00 €
In stock
RRP
48,00 €
-63% Discount
AFAM
Rear Sprocket Afam aluminium 41 teeth KTM / Husqvarna
Article no.: 1074736008

Rear Sprocket Afam aluminium 41 teeth KTM / Husqvarna

43,00 €
In stock
AFAM
Rear Sprocket Afam aluminium 45 teeth Kawasaki KX / KXF
Article no.: 1074602007

Rear Sprocket Afam aluminium 45 teeth Kawasaki KX / KXF

17,50 €
In stock
RRP
45,00 €
-61% Discount
AFAM
Rear Sprocket Afam aluminium 48 teeth KTM / Husqvarna
Article no.: 1074736002

Rear Sprocket Afam aluminium 48 teeth KTM / Husqvarna

21,50 €
In stock
RRP
45,50 €
-53% Discount
AFAM
Rear Sprocket Afam aluminium 45 teeth KTM / Husqvarna
Article no.: 1074736012

Rear Sprocket Afam aluminium 45 teeth KTM / Husqvarna

17,50 €
In stock
RRP
45,00 €
-61% Discount
AFAM
Rear Sprocket Afam aluminium self-cleaning 52 teeth KTM / Husqvarna
Article no.: 1074735008

Rear Sprocket Afam aluminium self-cleaning 52 teeth KTM / Husqvarna

21,50 €
In stock
RRP
56,50 €
-62% Discount
AFAM
Rear Sprocket Afam aluminium 52 teeth Kawasaki KX / KXF
Article no.: 1074602003

Rear Sprocket Afam aluminium 52 teeth Kawasaki KX / KXF

47,00 €
In stock
AFAM
Rear Sprocket Afam aluminium 52 teeth KTM / Husqvarna
Article no.: 1074736006

Rear Sprocket Afam aluminium 52 teeth KTM / Husqvarna

44,50 €
In stock
RRP
47,00 €
-5% Discount
AFAM
Rear Sprocket Afam steel 49 teeth Yamaha YZ 125 / 250
Article no.: 1074432011

Rear Sprocket Afam steel 49 teeth Yamaha YZ 125 / 250

47,00 €
In stock
AFAM
Rear Sprocket Afam steel 45 teeth Yamaha YZ / YZF
Article no.: 1074432008

Rear Sprocket Afam steel 45 teeth Yamaha YZ / YZF

40,00 €
In stock
AFAM
Rear Sprocket Afam steel 47 teeth XTX 660
Article no.: 1074430003

Rear Sprocket Afam steel 47 teeth XTX 660

16,50 €
In stock
RRP
43,50 €
-62% Discount
AFAM
Front Sprocket Afam self-cleaning 14 teeth Honda CR 250 / CRF 450
Article no.: 1074743002

Front Sprocket Afam self-cleaning 14 teeth Honda CR 250 / CRF 450

9,10 €
In stock
RRP
20,50 €
-56% Discount
AFAM
Front Sprocket Afam self-cleaning 14 teeth KXF 450
Article no.: 1076576002

Front Sprocket Afam self-cleaning 14 teeth KXF 450

7,00 €
In stock
RRP
18,50 €
-62% Discount
AFAM
Front Sprocket Afam self-cleaning 13 teeth KTM / Husqvarna / Beta
Article no.: 1077137002

Front Sprocket Afam self-cleaning 13 teeth KTM / Husqvarna / Beta

19,50 €
In stock
AFAM
Front Sprocket Afam 12 teeth KTM / Husqvarna / Beta
Article no.: 1077138002

Front Sprocket Afam 12 teeth KTM / Husqvarna / Beta

14,50 €
In stock
AFAM
Front Sprocket Afam 14 teeth YZ 125 after 2005
Article no.: 1075401003

Front Sprocket Afam 14 teeth YZ 125 after 2005

14,50 €
In stock
AFAM
Front Sprocket Afam 13 teeth CR 125
Article no.: 1074590002

Front Sprocket Afam 13 teeth CR 125

14,50 €
In stock
AFAM
Front Sprocket Afam 14 teeth Kawasaki / Yamaha
Article no.: 1076710005

Front Sprocket Afam 14 teeth Kawasaki / Yamaha

14,50 €
In stock
AFAM
Front Sprocket Afam 14 teeth CR 125
Article no.: 1074590003

Front Sprocket Afam 14 teeth CR 125

5,50 €
In stock
RRP
14,50 €
-62% Discount
AFAM
Front Sprocket Afam 16 teeth Honda CR 250 / CRF 450
Article no.: 1074754005

Front Sprocket Afam 16 teeth Honda CR 250 / CRF 450

6,20 €
In stock
RRP
16,50 €
-62% Discount
AFAM
Front Sprocket Afam 16 teeth KTM / Husqvarna / Beta
Article no.: 1077138006

Front Sprocket Afam 16 teeth KTM / Husqvarna / Beta

6,20 €
In stock
RRP
16,50 €
-62% Discount
AFAM
Front Sprocket Afam 13 teeth Husqvarna CR / WR 125
Article no.: 1077129002

Front Sprocket Afam 13 teeth Husqvarna CR / WR 125

6,20 €
In stock
RRP
16,50 €
-62% Discount
AFAM
Front Sprocket Afam 12 teeth Husqvarna TC / TE 250 - 450
Article no.: 1077133001

Front Sprocket Afam 12 teeth Husqvarna TC / TE 250 - 450

17,50 €
In stock
AFAM
Front Sprocket Afam 15 teeth Honda CR 250 / CRF 450
Article no.: 1074754004

Front Sprocket Afam 15 teeth Honda CR 250 / CRF 450

6,20 €
In stock
RRP
16,50 €
-62% Discount
AFAM
Front Sprocket AFAM 17 teeth 520 Aprilia AF1 / Pegaso
Article no.: AFAM61201-17

Front Sprocket AFAM 17 teeth 520 Aprilia AF1 / Pegaso

3,60 €
In stock
RRP
9,50 €
-62% Discount
AFAM
Front Sprocket AFAM 15 teeth 520 Honda TRX 400 EX
Article no.: AFAM20314-15

Front Sprocket AFAM 15 teeth 520 Honda TRX 400 EX

2,00 €
In stock
RRP
5,30 €
-62% Discount
AFAM
Front Sprocket AFAM 15 teeth 520 Aprilia AF1 / Pegaso
Article no.: AFAM61201-15

Front Sprocket AFAM 15 teeth 520 Aprilia AF1 / Pegaso

9,70 €
In stock
AFAM
Front Sprocket AFAM 14 teeth 520 Kymco MXer 150 / MXU 150
Article no.: AFAM76201-14

Front Sprocket AFAM 14 teeth 520 Kymco MXer 150 / MXU 150

11,50 €
In stock
AFAM
Front Sprocket AFAM 14 teeth 520 Hyosung GT 250 / GV 250 / Yamaha YFS 200 Blaster
Article no.: AFAM21300-14

Front Sprocket AFAM 14 teeth 520 Hyosung GT 250 / GV 250 / Yamaha YFS 200 Blaster

3,70 €
In stock
RRP
9,90 €
-63% Discount
AFAM
Front Sprocket AFAM 13 teeth 520 Kymco KXR / Maxxer / MXU 250/300 / TGB Blade / Target
Article no.: AFAM76300-13

Front Sprocket AFAM 13 teeth 520 Kymco KXR / Maxxer / MXU 250/300 / TGB Blade / Target

14,50 €
In stock
15,00 €
-3% Discount
AFAM
Chain Kit AFAM extra reinforced 17x39 Honda NC750 Integra
Article no.: AFAMKS-A-20

Chain Kit AFAM extra reinforced 17x39 Honda NC750 Integra

111,00 €
In stock
113,00 €
-2% Discount
AFAM
Chain Kit AFAM extra reinforced 16x40 KTM Duke 690 / 690 R / 790
Article no.: AFAMKS-A-158

Chain Kit AFAM extra reinforced 16x40 KTM Duke 690 / 690 R / 790

46,50 €
In stock
RRP
108,00 €
-57% Discount
AFAM
Chain Kit AFAM 17x40 Aprilia RS125 1999 - 2005 / RS 125 Tuono
Article no.: AFAMKS-A-192

Chain Kit AFAM 17x40 Aprilia RS125 1999 - 2005 / RS 125 Tuono

97,50 €
In stock
AFAM
Chain Kit AFAM 16x45 Aprilia ETX 125
Article no.: AFAMKS-A-177

Chain Kit AFAM 16x45 Aprilia ETX 125

41,50 €
In stock
RRP
98,00 €
-58% Discount
AFAM
Chain Kit AFAM 16x40 Aprilia RS125 before 1998
Article no.: AFAMKS-A-181

Chain Kit AFAM 16x40 Aprilia RS125 before 1998

44,00 €
In stock
RRP
90,50 €
-51% Discount
AFAM
Chain Kit AFAM 15x34 SYM Track Runner 200
Article no.: AFAMKS-A-1

Chain Kit AFAM 15x34 SYM Track Runner 200

29,00 €
In stock
RRP
77,50 €
-63% Discount
AFAM
Chain Kit AFAM 14x45 KTM Duke 125 after 2014
Article no.: AFAMKS-A-152

Chain Kit AFAM 14x45 KTM Duke 125 after 2014

102,00 €
In stock
AFAM
Chain Kit AFAM 13x38 Honda TRX 300 EX before 2008
Article no.: AFAMKS-A-15

Chain Kit AFAM 13x38 Honda TRX 300 EX before 2008

73,00 €
In stock
AFAM
Rear Sprocket steel 45 teeth - 520 AFAM Honda CA / CM / VT / XL 125 / KTM Duke 125 / 200
Article no.: AFAM10221-45

Rear Sprocket steel 45 teeth - 520 AFAM Honda CA / CM / VT / XL 125 / KTM Duke 125 / 200

28,50 €
In stock
30,00 €
-5% Discount
AFAM
Rear Sprocket steel 40 teeth - 520 AFAM Aprilia RS 125
Article no.: AFAM35801-40

Rear Sprocket steel 40 teeth - 520 AFAM Aprilia RS 125

9,80 €
In stock
RRP
25,50 €
-62% Discount
AFAM
Rear Sprocket steel 38 teeth - 520 AFAM Kymco Maxxer
Article no.: AFAM74300-38

Rear Sprocket steel 38 teeth - 520 AFAM Kymco Maxxer

23,50 €
In stock
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11

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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