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Sprocket and chain wheel

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Jerk damper Jerk damper, Suzuki GSX-R/S 125, 1 pc.
Jerk damper in original equipment quality. A worn damper also has an effect on the durability of the chain. So it is not just a component for better comfort. Should be replaced at the first sign of wear. Scope of delivery: 1st piece.

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€2.99 *
Sprocket lock plate JMP
Sprocket lock plate JMP, KTM Duke / RC 125 / 200, from year of manufacture 2011
With a certain age, even the original locking plate can close at some point. However, it is more likely that it will be lost at some point before that. We offer here a replacement plate, which corresponds exactly to the original.

Available

€3.79 *
Chain wheel JMP Dual
Chain wheel JMP Dual, Yamaha DT 125 year 91-03, WR 125, 53 teeth, blue
Dual sprockets are among the highest quality and most technically advanced sprockets in the world. The secret is based on the combination of the durability of steel and the lightness of "Duraluminium". This aluminum alloy is...

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€44.95 *
Sprocket JT-Sprockets
Sprocket JT-Sprockets, Honda CB 125 R from year of manufacture 2018 (JC74), 47 teeth
Standard sprocket from JT-Sprockets, made of steel and powder coated for best possible durability. Technical data Pitch: 428 Inner diameter: 68 mm bolt circle: 90 mm Drill hole: 10.5 mm Number of drillings: 6 Note Standard gear ratio...

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€19.99 *
Sprocket ZF Dual
Sprocket ZF Dual, Suzuki GSX R/S 125, 45 teeth, different colours
The ZF- Dual sprockets are among the highest quality and most technically advanced sprockets in the world. The secret is based on the combination of the durability of steel and the lightness of duralumin. This aluminum alloy is...

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€41.95 *
Sprocket JT-Sprockets
Sprocket JT-Sprockets, Suzuki GSX-R/S 125, different sizes
Steel replacement pinion from JT-Sprockets. Dimensions Pitch: 428 Mounting: Coarse toothing Inner diameter min.: 16 mm Inner diameter max.: 20 mm Internal gear (number of teeth): 6 Internal gearing (distance): 4 mm Number of drillings: 2...

Available

€5.49 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Aprilia SX 125, different sizes
Technical data Pitch : 520 Inner diameter : 80 mm bolt circle : 106 mm Bore : 8.5 mm Number of bores : 6 Screw type : Countersunk head

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€31.95 *
Sprocket lock JMP
Sprocket lock JMP, Yamaha YI-3 engine, (YZF-R, MT, WR 125, Beta RR 125, ...)
Spare fuse that prevents the pinion from slipping off the gear shaft. Yamaha OEM part number: 5D7E74560000

Available

€2.79 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Beta RR/RE 125 AC/LC year 07-17, different types Sizes
Technical data Pitch : 428 inner diameter : 100 mm bolt circle : 120 mm Bore : 8.5 mm Number of bores : 4

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€29.90 * ; €20.95 *
Sprocket
Sprocket, Aprilia RS4 / RS / Tuono 125 from year 2011 (Type: TW, KC), different sizes
Low wear steel sprockets for Aprilia RS4 125. Technical data Pitch : 428 Inner diameter : 108 mm bolt circle : 123 mm Bore : 8.5 mm Number of bores : 6 Screw type : Flat head Number of teeth : 58 Sprocket type : Steel

Available

€35.95 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Honda CBR 125/ CBF 125 all year, different models Versions
So that you can change the gear ratio of your Honda CBR or CBF, we offer you sprockets in three different sizes. This way you can either increase the final speed and decrease the drag, or improve the drag and decrease the final speed....

Available

€7.49 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Yamaha DT 125, Kawasaki Ninja / Z 125, Derbi GPR 125 (2-stroke), various models Versions
Sprockets for Yamaha DT 125, Kawasaki Ninja & Z 125, as well as Derbi GPR 125 models (2-stroke engine) in different versions. According to the manufacturer (JT), the sprocket, which is made of high-strength steel, has less wear and tear...

Available

From €7.49 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Yamaha WR 125/ DT 125
In addition to the original gear ratio, JT-Sprockets offers sprockets in different sizes. The translation can then be adjusted to the way you like it best. Technical data bolt circle: 175mm hole diameter: 8,5mm Inner diameter: 152mm...

Available

€29.95 *
Sprocket JT Sprockets
Sprocket JT Sprockets, KTM Duke 125/200 until 2013, Honda Varadero until 2010
For the KTM Duke and Honda Varadero we can offer sprockets in different sizes. The sprocket can influence the final gear ratio of the vehicle to such an extent that the performance is perfectly matched to your needs. For example, if you...

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€24.90 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Yamaha XT 125 all year
JT Sprockets from Japan, is one of the largest manufacturers of sprockets and chain wheels worldwide. In addition to the original gear ratios, JT Sprockets also offers sprockets and sprockets in different sizes, for precise tuning of the...

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€24.90 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Yamaha XT 125 up to year 08, various models Versions
Sprockets for Yamaha XT 125 up to year 08 in different versions. The pinion from JT, made of high strength steel, has according to the manufacturer a lower wear than the original part from KTM. By using other sprockets (you can find them...

Available

€7.49 *
Chain ring JT Sprockets
Chain ring JT Sprockets, Yamaha YZF R 125, 48 teeth
From the English traditional company "JT- Sprockets" we can deliver a high quality sprocket with 48 teeth for the Yamaha YZF R 125. The sprocket for the YZF R 125 has a pitch of 428 and fits perfectly to the original chain. Technical...

Available

€23.95 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Rotax 122/123, 11 teeth
From the English traditional company "JT- Sprockets" we can supply you here with a high quality spare sprocket with 11 teeth for all 125cc with Rotax engine. The sprocket has a pitch of 520 and fits without any problems on the Aprilia RS...

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€13.99 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Rotax 122/123, 15 teeth
From the English traditional company "JT- Sprockets" we can supply you here with a high quality replacement sprocket with 15 teeth for all 125cc with Rotax engine. The sprocket has a pitch of 520 and fits without any problems on the...

Available

€13.99 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Rotax 122/123, 16 teeth
From the English traditional company "JT- Sprockets" we can supply you here a high quality spare sprocket with 16 teeth for all 125cc with Rotax engine. The sprocket has a pitch of 520 and fits without any problems on the Aprilia RS 125...

Available

€13.99 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Rotax 122/123, 17 teeth
From the English traditional company "JT- Sprockets" we can supply you here with a high quality replacement sprocket with 17 teeth for all 125cc with Rotax engine. The sprocket has a pitch of 520 and fits without any problems on the...

Available

€13.99 *
Chain ring JT Sprockets
Chain ring JT Sprockets, Aprilia RS 125 year 97-05 38 teeth
JT- Sprockets is one of the leading manufacturers in the area of sprockets, from JT we can offer you a 38 tooth sprocket for the Aprilia RS 125. Technical data Chain pitch : 520 Inner diameter : 62mm Bolt circle : 108 Aprilia RS 125 year...

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€32.95 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Rotax 122/123, 14 teeth
From the English traditional company "JT- Sprockets" we can supply you here with a high quality replacement sprocket with 14 teeth for all 125cc with Rotax engine. The sprocket has a pitch of 520 and fits without any problems on the...

Almost gone

€13.99 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Rotax 122/123, 13 teeth
From the English traditional company "JT- Sprockets" we can supply you here with a high quality replacement sprocket with 13 teeth for all 125cc with Rotax engine. The sprocket has a pitch of 520 and fits without any problems on the...

Almost gone

€13.99 *
6 From 7

Chains & Ratio

A well-maintained chain can run up to 20,000 kilometers, but at some point every chain is worn out. A worn chain, you recognize when the chain is loose at the sprocket and at the pinion or sprocket, if this has got the so-called “Shark fins”- teeth. A poorly lubricated chain that has accumulated too much rust, also belongsört replaced! High stress due to a lot of movement can also cause such a chain to tear.

motorcycle chain

Gear Ratio

When you change sprocket or sprocket, you should be aware that you can change the torque as needed with the ¨bersetzung. If you want to accelerate and top speed is not so important to you, you should use a shorter gear ratio. But be careful! The engine then tends to overspeed. If the top speed is more important to you, then you need a longer gear ratio and also longer to reach this top speed. This should also be decided depending on which routes you drive more often, i.e. more highway, country road, city or even cross.

. 125cc Chain Motorcycle

Optics

In addition, we also have Kettenrädern and chains in different colors in the assortment. Thus, you also have here the Möglichkeit to set a visual accent. If you order a chain set, you get the complete kit - sprocket, chain wheel and chain. We also recommend chains with a sealing ring, because they do not rust so quickly on the inside. Popular brands for chains, sprockets & sprockets are: DID, RR, JT, JMP and Esjot. So if you are looking for a new chain for your Honda CBR 125 R, Beta RR 125 lc, Yamaha DT 125, or KTM RC 125, you should reach for these brands.

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Example worn chain

. 125cc chain worn out
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