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Triple Chainwheel Front Derailleur

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Sale price: 75 SAR

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Designed for bikes with 7 or 8 rear speeds. Compatible with SRAM, Shimano or Btwin for smooth, precise shifting.

Front derailleur compatible with all frame diameters. Diameter: 34.9 mm (or 28.6mm and 31.8 mm with adapter).

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Sale price: 75 SAR

Regular price:

Product Features

A photo of the Triple Chainwheel Front Derailleur in use


For 3x7 and 3x8 SRAM, Shimano or Btwin drive trains

Product Reviews

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275 reviews

Triple Chainwheel Front Derailleur
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Great for the price

It worked well and was more robust than I expected.

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Thank you for taking the time to leave your feedback, Simon.

We really appreciate it.


Sports Advisor (Customer Service)

Decathlon Wednesbury

Decathlon UK Limited. Company number: 03140144. VAT number: GB679262296.

Registered office: 9 Maritime Street, London, SE16 7FU.

Great deraulleur

Fitted my bike well. Is working great.

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Excellent value works well

Excellent value works well

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Front Derailleur

Well constructed unit but be aware that due to the actuation mechanism being rather bulky at the rear it will not fit some bikes with limited clearance between the seat tube and rear wheel or mudgaurd.

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Performs well for the price

Easy to install with various mounts for different clamp sizes. Shifting is light and easy

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Unable to adjust for 3x8, 42,32,22T

For me I could not get this to work, I have 22,32,42 crank set (btwin), but no matter how I adjusted it the throw just did not seen adquate to move across all 3 rings. I have a brand new chain, new rear mech, and the crankset and rear cassette are only 1 year old. I returned to my 13 year old suntour one and that works well (in fact the stoke is a little too far on that) Mountain bike Gear selectors shimano ST-EF29-8 / ST-EF29-L

Thank you for sharing your experience of using this front mech. Installing a front derailleur can feel like alchemy sometimes and certainly isn't the easiest to install, especially with a triple chainset.  MBR probably has the best film available on this topic:
If after checking all of these points, there is no joy, please feel free to return it to us for an exchange or a refund.
Peter Lazarus, National Cycling Manager, DECATHLON

Used this to replace an old derailleur a coup[le of months ago that wouldn't adjust properly and was unreliable. Fitting was easy and it adjusted well. I used this on a bottom pull with a Shimano index shifter and it works well and reliably after it has been set up. I also liked the add on adjustment shims in the clamp which allowed me to make a good fit to the stem. I thoroughly recommend this and would say it is as high a quality as any other front derailleur out there at a bargain price.

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Triple Front Mech

I bought the front mech for my old road bike refubishment project (1985 Barry Hoban/Coventry Eagle) and found that the original front mech did not have enough travel to reach the large chainring. This MTB mech has loads of travel and easily helps the chain to swap between the chainrings. It is bulky compared to the Campagnalo mech that it replaced but does the job just as well.

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It works

Ended a reverse pull, and this was it.with dual capabale.

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This product does works well. It's actually precise and also shifts gear quickly!

Front Gear Changer

I have now a new one

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Kompatibel zu Shimano Deore Kettenblatt

Brauchte einen schnellen Ersatz für meinen defekten Deore Umwerfer. Passt perfekt und schaltet hervorragend, wenn man ihn richtig montiert und einstellt!

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sehr schnell montiert

einfach montiert Dank seiner 2 Adapter. und leicht zum einstellen bin sehr zufrieden mit dem Umwerfer

Pulls up and down

It doesn't take up much space on the frame and works when pulled up or down.

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Additional Product informations



  • 100% Aluminium

Main fabric - Bottom

  • 100% Steel

Technical features:

Top or bottom routed cableDiameter: 34.9 mm (or 28.6 mm and 31.8 mm with adapter).Chainwheel of maximum 48 teeth.155 g.

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