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Chains and Sprockets

(22 products)
Gearboxes Chains and Sprockets Gear Drives Transmission Accessories
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88
products
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22
88
products
found
Product type
Chain Chain kit Chain master link Front sprocket Chain rear sprocket
Brand
AFAM Doppler IGM Moto Master MotoForce Racing Stage6 Standard Parts STR8 Voca Racing
Inside diameter
105 mm 110 mm 136 mm
Bolt pattern
5-hole 6-hole 3x2 holes
Chain links
112 134 140
Colour
Black Blue Purple Red Néochrome
Price
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Doppler IGM Standard Parts
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Standard Parts
Rear Sprocket reinforced 53 teeth - 420 Rieju MRT
Article no.: MF89.00424

Rear Sprocket reinforced 53 teeth - 420 Rieju MRT

43,00 €
In stock
Doppler
Rear Sprocket 53T / 420 Doppler alu red Fantic XM / XE from 2018
Article no.: CGN534141

Rear Sprocket 53T / 420 Doppler alu red Fantic XM / XE from 2018

37,00 €
In stock
RRP
46,00 €
-20% Discount
Sale
Standard Parts
Chain 420 / 135 links Doppler reinforced purple
Article no.: CGN517760

Chain 420 / 135 links Doppler reinforced purple

25,00 €
In stock
31,00 €
-19% Discount
Sale
Doppler
Chain Kit alu Neochrome 14x53 - 420 Doppler Derbi GPR / Aprilia RS4
Article no.: CGN509943

Chain Kit alu Neochrome 14x53 - 420 Doppler Derbi GPR / Aprilia RS4

75,00 €
In stock
RRP
93,00 €
-19% Discount
Sale
Standard Parts
Rear Sprocket 53 teeth / 420 steel Senda / MRT / DT50
Article no.: MF89.00324

Rear Sprocket 53 teeth / 420 steel Senda / MRT / DT50

22,50 €
In stock soon
Doppler
Chain 420 / 140 links Doppler reinforced gold
Article no.: CGN503602

Chain 420 / 140 links Doppler reinforced gold

21,00 €
In stock soon
25,00 €
-16% Discount
Doppler
Chain 420 / 134 links Doppler reinforced blue
Article no.: CGN501115

Chain 420 / 134 links Doppler reinforced blue

25,00 €
In stock soon
Doppler
Front Sprocket Doppler - 420 Black coating Minarelli AM6
Article no.: CGN420NOIRAM6

Front Sprocket Doppler - 420 Black coating Minarelli AM6

12,00 €
In stock soon
Doppler
Chain Kit aluminium blue 13x53 - 420 Rieju MRT
Article no.: CGN509944

Chain Kit aluminium blue 13x53 - 420 Rieju MRT

89,00 €
In stock soon
Standard Parts
Front Sprocket 420 - d.17mm Pit Bike / Dirt Bike
Article no.: MB_SPRO42017PIT/SIZE

Front Sprocket 420 - d.17mm Pit Bike / Dirt Bike

5,20 €
Currently not in stock
Doppler
Chain Master Link Doppler 420 blue
Article no.: CGN504531

Chain Master Link Doppler 420 blue

3,00 €
Currently not in stock
3,70 €
-19% Discount
Standard Parts
Rear Sprocket 48 teeth / 420 steel Rieju MRT / Derbi Senda
Article no.: EKP-149076

Rear Sprocket 48 teeth / 420 steel Rieju MRT / Derbi Senda

26,00 €
Currently not in stock
Standard Parts
Rear Sprocket 55 teeth / 420 steel Generic Trigger / Ride / KSR
Article no.: MF89.00393

Rear Sprocket 55 teeth / 420 steel Generic Trigger / Ride / KSR

29,00 €
Currently not in stock
30,00 €
-3% Discount
Str8
Front Sprocket 420 red Derbi
Article no.: STR-71REDDERBI

Front Sprocket 420 red Derbi

10,50 €
Currently not in stock
IGM
Rear Sprocket 65 teeth / 420 IGM steel Rieju MRT / Derbi Senda
Article no.: IGM13101205

Rear Sprocket 65 teeth / 420 IGM steel Rieju MRT / Derbi Senda

18,00 €
Currently not in stock
Standard Parts
Front Sprocket 12 teeth 420 Derbi Euro2 before 1999
Article no.: L-SA5521

Front Sprocket 12 teeth 420 Derbi Euro2 before 1999

8,00 €
Currently not in stock
Standard Parts
Chain Kit 12x53 - 420 d=108mm 6 holes Derbi Senda SM / DRD
Article no.: CGN486688

Chain Kit 12x53 - 420 d=108mm 6 holes Derbi Senda SM / DRD

43,50 €
Currently not in stock
Standard Parts
Rear Sprocket 53 teeth / 420 steel CPI / Beeline SM / SX
Article no.: MF89.00373

Rear Sprocket 53 teeth / 420 steel CPI / Beeline SM / SX

18,00 €
Currently not in stock
Standard Parts
Rear Sprocket Premium 58T / 420 black Fantic XM50 / XE50 after 2018
Article no.: IP49517

Rear Sprocket Premium 58T / 420 black Fantic XM50 / XE50 after 2018

43,00 €
Currently not in stock
Doppler
Chain Kit alu Neochrome 14x53 - 420 Doppler Derbi Senda X-treme
Article no.: CGN509942

Chain Kit alu Neochrome 14x53 - 420 Doppler Derbi Senda X-treme

95,00 €
Currently not in stock
Doppler
Rear Sprocket 53T / 420 Doppler alu CNC neochrome Rieju MRT / Senda / DT50
Article no.: CGN505503

Rear Sprocket 53T / 420 Doppler alu CNC neochrome Rieju MRT / Senda / DT50

50,00 €
Currently not in stock
Doppler
Chain Kit alu black 13x53 - 420 Doppler Rieju MRT / Yamaha DT
Article no.: CGN503783

Chain Kit alu black 13x53 - 420 Doppler Rieju MRT / Yamaha DT

89,00 €
Currently not in stock
99,00 €
-10% Discount

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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