Best Umwerfer Mtb 2026

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Last Updated - 22.07.2026

Best Choice

01

TECKZOON

Rear Derailleur 9 Speed & 3 x 9 Speed Front Derailleur for Shimano/sram, Gear Lever 9 Speed Right, Gear Lever 3 Left Right, Bicycle Gearshift 9 Speed Set for MTB/Road Bike/Mountain Bike

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9.6

Exceptional

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【Wide Compatibility】: This two-piece 3×9 speed derailleur and 9-speed derailleur kit fits perfectly with 9 speed drive systems and is compatible with Shimano Alivio, XT and LX series. It is suitable for mountain bikes, BMX bikes, city bikes, road bikes, trekking bikes and folding bikes and is the ideal choice for all riding conditions. In combination with the 3-speed gear lever (left) and the 9-speed gear lever (right), it allows effortless shifting and ensures driving fun.
【Quick and easy to use】: The shift levers on the left and right side are in trigger design and equipped with a downshift shift lever and a thumb button. By simply pulling with your index finger or pressing with your thumb, the shift cable ropes can be easily released - ideal for quick gear changes when off-road riding at high speed.
【Precision and Durability】: Both rear derailleurs feature a wide connection construction and are equipped with the shadow mechanism, which ensures precise shifting and excellent durability. Double servo construction significantly improves response speed and extends product life.
【Practical Features】: 3x9 speed front derailleur: low mount + double pull guide + upward swivel, sprocket teeth: 18, chain center line: 48-51.5mm, compatible chainring teeth: 42-34-24 teeth, clamping ring diameter:31.8-34.9mm. 9 speed rear derailleur: 9 speed, long gear guide, direct mount, sprocket teeth: 11, maximum sprocket teeth: 36. Suitable for all driving needs.
【Optimized Designed Shifter】: The 9-speed gear lever on the right side and the 3-speed gear lever on the left side are sufficiently long and convenient to use. A coating with extremely low friction technology provides excellent corrosion resistance and a smooth shifting feel; the gear indicator is located below the handlebars and is extremely practical thanks to its ergonomic design.

42,99 €
02

SHIMANO

Shimano 42604 – Front Derailleur Altus RDM370SGSL 9V PATA Larga

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9.5

Excellent

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Shimano RD-M370 Altus rear derailleur 9-speed SGS black

26,98 €
03

SHIMANO

Shimano Front Mech TY510 66-69 T/S multi 48T

40% Off

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9.4

Excellent

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With a maximum capacity of 20 teeth and a largest chainring of 48 teeth, it is optimised for versatile uses
The front derailleur is compatible with clamp diameters of 34.9 mm and adapters for 31.8 and 28.6 mm and is suitable for chainstay angles from 66 to 69°
The deep clamp attachment ensures stable fixation and precise switching operations
The Shimano Tourney FD-TY510 derailleur is a reliable gear shift component for MTB and trekking bikes with 3-speed and 6/7-speed drives
Thanks to the dual-pull pull guide, the shift cable can be flexibly fed from above or below, which simplifies installation

7,81 € 12,95 €(40% Off off)
Value for Money

04

SHIMANO

Shimano Tourney/TY FD-TZ510 6-speed MTB front derailleur, down swing, top pull, 31.8mm, 66-69, 48T black/silv

46% Off

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9.1

Excellent

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With a total capacity of 20 teeth and support for 6 or 7 speed gears, it ensures reliable gear changes on a wide range of terrain
The top pull pull guide means the shift cable comes from the top, making it particularly suitable for frames with this cable guide
The SHIMANO Tourney TZ FD-TZ510 front derailleur is a robust triple derailleur for MTB and trekking bikes, which is ideal for beginners and leisure bikes
Thanks to the high-rise clamp attachment (31.8 mm diameter), it can be easily mounted on compatible frames
Designed for a chainstay angle of 66-69°, the front derailleur is designed for precise shifting performance with a maximum chainring of 48 teeth

5,86 € 10,95 €(46% Off off)
05

SHIMANO

Shimano Umwerfer 'fd-tx800' Mod.15 SB-verpackt, Top Swing Dual Pull 31.8 mm mit Schelle 34.9 mm und Adaptern und 28.6 mm, für 42/48Z. kettenlinie 47.5/50 mm, 63 – 66 °

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9.0

Excellent

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With its black and silver colouring, it blends seamlessly into the design of many bicycles
The derailleur is designed for chainrings with 42 to 48 teeth and a total capacity of 20 teeth
The deep clamp attachment with a diameter of 34.9 mm, including adapters for 31.8 mm and 28.6 mm, ensures versatile mounting options
The Shimano Tourney TX FD-TX800 derailleur is a 3-speed front derailleur for mountain bikes and trekking bikes that is compatible with 7 or 8 speed gear systems
It has a dual-pull pull guide that allows flexible pull laying from top or bottom

16,95 €
06

Mimoke

Mimoke Rear Derailleur 7/8/9 Speed Bicycle Rear Wheel Gear Bicycle Front Derailleur for MTB BMX and Road Bike

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8.7

Very Good

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Wide Application The rear gear shift is easy to operate and maintain. Suitable for mountain bike, mountain bike, road bike, folding bike, etc.
There are 3 derailleur models: 7/8/9 speeds, 10 speeds, 11 speeds. Please choose the correct version.
Stability: durable aluminium alloy material and excellent shifting performance ensure a safe and stable ride.
POWERFUL PERFORMANCE The gear has a screw to adjust tension B, which is easy to adjust. Wide connection design for precise change and durable connection design.
IMPORTANT Please feel free to contact us if you have any questions, we will provide you with quality service.

16,99 €
07

Mimoke

Front derailleur 3x7/8/9/21/24/27 speed MTB bicycle gearbox or tube diameter 30.8/31.8/34.9 mm

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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[Wide Application]:The rear derailleur is easy to use and maintain. Suitable for mountain bike, road bike, folding bike, etc.
[Stability]: A durable aluminium alloy material and excellent shifting performance guarantee a safe and stable ride.
[High Quality Material]:Front wheel gear shifter, made of high quality aluminum alloy, solid and solid chain guide, steel brand, chrome plated, shiny, wear-resistant, rust-proof, high resistance, durable, safe and reliable.
[H and L] These are mounting screws. These two screws are fitted so that the chain sits between the largest and the smallest motorcycle. H is the high position and L is the low position.
[DIMENSIONS]:The clip ring supports a 31.8/34.9mm diameter tube. Crankset: 3 speed crankset 24T-34T-42T universal for most mountain bikes.

13,99 €
08

Generisch

Bicycle Front Derailleur FD-M311 Down Swing 3x7/8 Speed MTB/Trekking 42-48 Teeth Dual Pull 31.8mm Silver

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8.4

Good

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Main highlights

Precise shifting with dual pull technology - pull guidance possible from top or bottom for maximum flexibility in frame construction.
Optimal chain guide & capacity - 20 teeth total capacity ensure reliable performance even with demanding gear ratios.
HEAVY DUTY BUILD & ELEGANT DESIGN - Durable silver front derailleur with 31.8mm clamp, fits many frames.
For chainstay angles of 63-66° - Fits modern MTB and trekking frames - quick and easy to install.
Compatible with 3x7/8 speed gears - Ideal for MTB and trekking bikes with up to 48 teeth on the largest chainring. Perfect shifting performance for everyday use and off-road.

14,99 €
09

CYSKY

CYSKY Bicycle Front Derailleur 3 Compartments, Fits 31.8 / 34.9 mm Tube Diameter, Mountain Bike Chain Derailleur Support Pull from Top or Bottom

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8.2

Good

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Superior material: bicycle front derailleur, made of high-quality aluminium alloy material, solid and solid chain baffle, steel brand, chrome-plated, bright, wear-resistant, rust-proof, high strength, durable, safe and reliable.
Suitable for most bicycles such as BMX, MTB, mountain bike, road bike. Great accessory for outdoor riding.
Rigorous design: double pull (top or bottom), 3-speed design, suitable for mountain bikes with 6/7/8/9/10/11 or 18/21/24/27/30/33 speeds
Easy to use: Attach the derailleur to the bicycle frame, temporarily tighten the toggle screws and then adjust the flat part of the outer guide plate of the chain guide so that it is parallel to the flat surface of the maximum crankset. Make the settings so that there is 1-3 mm space between the outer guide of the chain guide and the maximum crankset. After completing the setting, tighten the eye bolts.
Dimensions: clip ring supports 31.8/34.9 mm diameter tube. Fit for cranks 42-34-24 teeth three-piece type cranks. Universal for most mountain bikes.

15,99 €
10

SHIMANO

Shimano Altus FD-M371X3 Conventional Swing Front Derailleur - Silver, 9 Speed

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8.0

Good

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Main highlights

High-quality material
Durable
Brings you an extra comfort

21,00 €