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Sprocket and chain wheel

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Chainring Radical Racing Aluminum
Chainring Radical Racing Aluminum, Aprilia RS4 / RS 125 ab Bj. 17, 60 teeth, versch. Colors
This chain ring is a high quality upgrade for your motorcycle. It is made of high quality, sturdy aluminum and offers excellent performance and an attractive design. The chain ring is equipped with 60 teeth to ensure optimum transmission...

Available

€34.95 *
Rear Sprocket Radical
Rear Sprocket Radical, Aprilia RX/SX 125 from year 18 (Type: KX), different sizes
Radical Racing quality steel sprocket. Suitable for Aprilia RX and SX models from 2018 onwards. Technical data Inner diameter: 105mm bolt circle: 125mm Mounting holes: 6, arrangement: 3x2 hole diameter: 8,5mm Chain pitch: 428

Available

€28.95 *
Rear Sprocket Radical
Rear Sprocket Radical, Beta RR 125 06- , different teeth, pitch: 428
Quality steel sprocket from Radical Racing, suitable for nearly all Beta RR 125cc models from model year 06 up (4 stroke AC/LC). Technical data Inner diameter: 100mm bolt circle: 120mm Mounting holes: 4, arrangement: 1x1 Circular hole...

Available

From €23.95 *
Sprocket Radical
Sprocket Radical, Honda CB/CBR 125 R/F year 11-19 (JC50, 64,74), different models Versions
Quality sprocket in different sizes. Technical data Pitch: 428 nominal diameter: 58 mm bolt circle: 90 mm Drill hole: 10.5 mm Number of drillings: 4 Screw type: Flat head Comparison numbers JT-Sprockets: JTR1221

Available

€22.95 *
Sprocket Radical
Sprocket Radical, Yamaha YZF-R 125 year, 08-18 / MT 125 year, 14-18, different sizes Versions
Quality chain wheel in different sizes, suitable for different Yamaha models from 2008-2018. Technical data Pitch: 428 Inner diameter: 76 mm bolt circle: 100 mm Drill hole: 8.5 mm Number of drillings: 6 Screw type: Flat head Comparison...

Available

€20.95 * ; From €14.99 *
Sprocket Radical
Sprocket Radical, Honda CB125 R from year 18 (JC79), 47 teeth
Quality sprocket in different sizes, suitable for Honda CB 125 R (Neo Sports Cafe Racer). Technical data Pitch: 428 Inner diameter: 68 mm bolt circle: 90 mm Drill hole: 10.5 mm Number of drillings: 6 type of screw: flat head Comparison...

Available

€22.95 *
Sprocket Radical
Sprocket Radical, Yamaha WR 125, DT 125 year 90-06, different versions
Quality chain wheel in different sizes, suitable for different Yamaha models (WR & DT) from 1990-2015. Technical data Pitch: 428 Inner diameter: 152 mm Bolt circle: 175 mm Drill hole: 8.5 mm Number of drillings: 6 Screw type: Flat head...

Available

From €22.95 *
Sprocket Radical
Sprocket Radical, KTM Duke 125/390, RC 125/200/390, from year 14, different versions
Quality chain wheel in different sizes, suitable for different KTM models from 2014-2018. Technical data Pitch: 520 Inner diameter: 63 mm bolt circle: 110 mm Bore hole: 8.5 mm Number of drillings: 6 Screw type: Flat head Comparison...

Available

From €22.95 *
Sprocket Radical
Sprocket Radical, Suzuki GSX R/S 125, different versions
Quality chain wheel in different sizes, suitable for 125cc Suzuki GSX-R and GSX-S. Technical data Pitch: 428 Inner diameter: 58 mm bolt circle: 90 mm Drill hole: 8.5 mm Number of drillings: 4 Screw type: Flat head Comparison numbers...

Available

€22.95 *
Chain wheel JMP Dual
Chain wheel JMP Dual, Aprilia RX/SX 125 from year 18 (Type: KX), Versch. Versions, red anodized
These "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...

Available

€40.95 *
Sprocket ZF Dual
Sprocket ZF Dual, KTM Duke/RC 125/390 from year of manufacture 2014
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 characterized...

Available

From €44.95 *
Sprocket ZF
Sprocket ZF, Yamaha YZF-R 125, MT 125, 48 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...

Available

€41.95 *
Sprocket JT Sprockets
Sprocket JT Sprockets, KTM Duke 125/RC 125, different sizes
Due to the use of hard steel, the wear on JT's sprocket is less than on the original KTM sprocket, according to the manufacturer. Developed for the KTM Duke 125, the standard 14 tooth sprocket is designed for the KTM Duke 125, but it is...

Available

From €9.99 *
Sprocket JT-Sprockets
Sprocket JT-Sprockets, Yamaha YI-3, various sizes, chain pitch: 428
With this sprocket of the traditional English manufacturer "JT-Sprockets" we offer you a spare part of high quality. If you ride a Yamaha YZF-R125 or WR 125, this part is the perfect spare sprocket for you. The sprocket has 14 or 15...

Available

€6.79 *
Chain wheel ESJOT
Chain wheel ESJOT, Zontes G1/U, 46 teeth, steel
A high-quality steel sprocket with 46 teeth made for your Zontes G1/U1. Like other parts, sprockets are also wearing parts and are largely responsible for transferring power correctly to the rear wheel. If a sprocket is badly worn, it is...

Almost gone

€34.95 *
Chain wheel JT-Sprockets
Chain wheel JT-Sprockets, Hyosung GV 125 S Aquila up to year 19, steel
JT Sprockets is the world's largest production facility for sprockets and chain wheels. Using state-of-the-art CNC machines, it manufactures the entire motorcycle range. Each product goes through 25 production steps and over ten quality...

Almost gone

€22.95 *
Chain wheel RCB
Chain wheel RCB, YZFR/MT/XSR/YS 125
The sprocket for the Yamaha 125 models provides optimum power transmission for your motorcycle, in addition, it is made of hardened steel and has an anti-rust coating to ensure an extended life of the sprocket 48 teeth corresponds to the...

Available

€19.99 *
Sprocket UMA
Sprocket UMA, YZFR/MT/XSR/YS 125
Sprocket for Yamaha 125 models made of hardened steel with a special anti-rust coating to ensure durability for the sprocket. Of course, the sprocket provides reliable power transmission at all times. Technical data: Pitch: 428 Teeth: 47...

Available

€19.99 *
Chain wheel RCB
Chain wheel RCB, YZFR/MT/XSR/YS 125
Sprocket for Yamaha 125 models made of hardened steel, with a special anti-rust coating to ensure durability of the sprocket. Technical data: Pitch: 428 Teeth: 46 Holes: 6 Inner diameter: 76 mm Bolt circle: 100 mm Bore: 8,5 mm

Available

€19.99 *
Sprocket Aluminium Sprocket Aluminium, Beta RR/RE 125 AC/LC from model year 07 onwards
Lightweight aluminum sprocket made of 7075 T6 aluminum, which is mainly used in aviation. This aluminum alloy is characterized by enormous strength and tightness as well as low weight. Millings in the tooth base of the sprocket guarantee...

Available

€44.95 *
Sprocket cover Yamaha OEM
Sprocket cover Yamaha OEM, Yamaha YZF-R 125 year 06-18
This item is an original spare part (OEM) of the brand Yamaha. OEM part number for comparison purposes 3C1E54180000

Almost gone

€54.90 *
Pinion JT-Sprockets
Pinion JT-Sprockets, Hyosung GV 125 Aquila from Bj. 97, versch. Sizes
JT Sprockets manufacturing is today the largest and most modern production facility for sprockets and chain wheels in the world, equipped among other things with the latest generation of CNC manufacturing machines. JT Sprockets produces...

Available

From €9.49 *
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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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