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Sprocket and chain wheel

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Chain ring JT-Sprockets
Chain ring JT-Sprockets, Yamaha YZF-R 125 / MT 125 (RE11, RE06, RE29), 42 teeth
The JT Sprockets manufacturing facility is the largest and most modern production facility for sprockets in the world, equipped with the latest generation of CNC production machines. Each sprocket passes through 25 production stages and...

Almost gone

€20.95 *
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

Available

€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

Available

€29.90 * ; From €20.95 *
Chain wheel Esjot
Chain wheel Esjot, Yamaha YZF-R, MT 125, various Sizes
Alternative gear ratio sizes for Yamaha YZF and MT models. By changing the gear ratio (original: 14/48), the motorcycle can be tuned to the respective road/use conditions. If you are on the road a lot in mountainous regions, for example,...

Almost gone

€35.95 *
Pinion Esjot
Pinion Esjot, Aprilia RS4 125
ESJOT sprockets were developed especially for the high vehicle manufacturer requirements and are among the best sprockets on the market worldwide. A special steel, a high-quality case hardening as well as a precise toothing ensure an...

Available

From €12.99 *
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, Aprilia RS 125 from year 06, different versions
For the Aprilia RS 125 we can offer you here sprockets in different designs and qualities. However, all versions have various advantages and disadvantages: Steel sprockets have little wear, but are also quite heavy. Aluminium sprockets...

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€27.90 * ; €19.95 *
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

From €23.95 *
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...

Available

From €24.90 *
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 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...

Almost gone

€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 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Honda CBF 125 up to year 2011, 42 teeth
Low wear steel sprocket for Honda CBF 125 up to 2011, standard size with 42 teeth from JT-Sprockets. Technical data bolt circle: 110mm hole diameter: 8,5mm Inner diameter: 80mm Honda CBF 125 until 2011, red = standard Sprocket/ Sprocket...

Almost gone

€20.50 *
Chain ring JT Sprockets
Chain ring JT Sprockets, Aprilia RS 125 year 97-05 40 teeth
JT- Sprockets is one of the leading manufacturers in the area of sprockets, from JT we can offer you a 40 tooth sprocket for the Aprilia RS 125. Technical data Chain pitch : 520 Inner diameter : 62mm Bolt circle : 108 Aprilia RS 125 year...

Out of Stock

€33.95 *
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...

Almost gone

€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...

Almost gone

€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...

Almost gone

€32.95 *
Sprocket JT Sprockets
Sprocket JT Sprockets, Rotax 122/123, 12 teeth
From the English traditional company "JT- Sprockets" we can supply you here with a high quality replacement sprocket with 12 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, 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...

Available

€13.99 *
5 From 6

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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