The 9 Best Derailleur Extenders (2022 reviews)

derailleur extenders
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There are plenty of options available while buying derailleur extenders in the market right now, and if you're confused regarding which one to go for, This page is just for you.

Our review process:

Our Top Picks:

Best Overall:
Buy: Wolf Tooth Components Derailleur Extender
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Best For Simple Installation:
Buy: Zsling Derailleur Extender
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Best For Packing List:
Buy: Magt Derailleur Extender
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Best For Mountain Bike:
Buy: Sunrace Derailleur Extender
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Best For Light Weight:
Buy: Delaman Derailleur Extender
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Best For High Quality:
Buy: Vbes Tlife Derailleur Extender
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Suitable For Mountain Bikes:
Buy: Drfeify Derailleur Extender
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Best For Long Service Life:
Buy: Welwik Derailleur Extender
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Best For Bright Colors:
Buy: Wuiun Derailleur Extender
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Best Overall: Wolf Tooth Components Derailleur Extender

Wolf Tooth Components Derailleur Extender
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The Wolf Tooth Components Derailleur Extender is long-lasting, rigid and fits well with your daily purpose like a dream. The wolf tooth components derailleur extender is good for good quality, is cross and it is black. Direct mount-native frames and short rear derailleurs are not supported. Also, it is great for custom installed roads and it works fine.

Above all, the wolf tooth components derailleur extender is simple and it is small.

Most customers quickly discovered that the extender works with modern shimano derailures that have a removable linkage from the deraileur to the dropout mount. Moreover, a few strongly agree that the extender improves the amount of chain wrap and would likely improve shifting. In addition, they strongly agree that the specs from the 2016 shimano data sheet for mountain bike deraileurs.

Top Customer Quotes:
  • This is perfect for 1x10 shimano deore medium cage and 42t.
  • This is great for a wide range of cassette conversions.
  • This will work with any brand of derailleur.
  • This is great with a short long cage x7 derailleur on a road bike.

Best For Simple Installation: Zsling Derailleur Extender

Zsling Derailleur Extender
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The Zsling Derailleur Extender's material feels more premium than its price would suggest. The zsling derailleur extender is used for good buy and it is black. Make sure this fits by entering your model number. Further, the extender comes with a 7075 aluminium alloy m10 screw 0.001mm high precision micrometer caliper.

The extender is compatible with 40/42/46/50/52t for MTB and 34/36/40/42t for road. Lastly, the zsling derailleur extender is simple, fits well, it is red and has a hollow design.

Almost all customers agree that the extender is necessary to extend the derailer hanger. Moreover, they strongly agree that the extender works equally as well or better than more expensive brands. And, a few strongly agree that the extender is great with older xt 9 speed with a 42 -11. In short, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • Hollow out design, ultralight and beautiful, only 11g with bolts.
  • This does the job and it is used for simple installations.
  • This is perfect for cassette upgrade.
  • This is 50.8mm, which strikes the balance between compatibility and stability.

Best For Packing List: Magt Derailleur Extender

Magt Derailleur Extender
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Compared with other extenders in this category, the Magt Derailleur Extender has a convenient design. The magt derailleur extender is very practical and it has great accessories. You can change and install the hanger simply, adjusting the tension and changing speed more smoothly. This bike 's rear derailleur hanger is made of quality aluminum alloy with cnc machining, sturdy and firm, durable and corrosion - resistant.

Finally, the magt derailleur extender is used to lengthen the rear dial chain, and apply to the mountain flywheel 0t/ 42t/ 46t/ 50t highway flywheel.

Why We Like This:
  • This is black, is constructed with excellent functions and it makes for excellent quality.
  • 【Excellent function】make the flywheel speed change more smoothly.
  • 【Excellent accessories】great accessory for cycling enthusiasts.

Best For Mountain Bike: Sunrace Derailleur Extender

Sunrace Derailleur Extender
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The Sunrace Derailleur Extender is satisfactory and appropriate and fits well with your daily purpose. Make sure this fits by entering your model number. Moreover, the extender is made of 7075 alloy. In short, with a 4.8 rating and more than 56 buyers, the sunrace derailleur extender stands as the best choice.

Why We Like This:
  • Made of 7075 alloy. Durable black anodized finish.
  • One of the newcomers and featured product.

Best For Light Weight: Delaman Derailleur Extender

Delaman Derailleur Extender
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The best part: Delaman Derailleur Extender costs comparatively low and it is available to ship in 24 hours. The delaman derailleur extender has great accessories and it is practical. Manufacturer says: Our rear derailleur extender hook is used to lengthen the rear dial chain, and apply to the mountain flywheel 0t/ 42t/ 46t/ 50t highway flywheel. The derailleur hanger extender is made of quality aluminum alloy with cnc machining, sturdy and firm, durable and corrosion - resistant.

Lastly, the delaman derailleurextender is easy to install and remove, more convenient to use.

In short, most buyers agree that the extender suits best, and no one questions it.

Why We Like This:
  • This is simple, provides you with a practical tool, It is blue and has a simple design.
  • This has optional color, is optional and it is great for light weight.
  • 31 g (included screw) packing list.

Best For High Quality: Vbes Tlife Derailleur Extender

Vbes Tlife Derailleur Extender
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The vbes life derailleur extender gives the top-tier extender a run for their money by offering flagship specs at a much more affordable price. The vbes life derailleur extender has high compatibility and it is built for a long life. Make sure this fits by entering your model number. The locking screw is made of 7075 aluminum alloy, and the locking torque is greater.

Above all, the vbes life derailleur extender is upgraded, accurate adjustment and increases the response speed of variable speed.

Why We Like This:
  • It is strong and it is beautiful.
  • One of the newcomers and featured product.

Suitable For Mountain Bikes: Drfeify Derailleur Extender

Drfeify Derailleur Extender
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Next on the list, we've got yet another extender that manages to win our hearts. It's the Drfeify Derailleur Extender and it's widely considered as the extender that has the most suitable features. The drfeify derailleur extender is made of high quality aluminum alloy material, durable, reliable to use and has a long service life. Suitable suitable for mountain bikes and road bikes, and perfect compatible 3452t flywheel, protects your bicycle from damage, can meet your needs. The rear derailleur and the big gear have sufficient space for a normal transmission. Above all, the drfeify derailleurextender comes with a hollow and lightweight design, Great craftworkmanship makes it full lines on the edges, has good texture and a smooth surface.

Why We Like This:
  • Good investment for the long term.
  • Delivers what they promise.

Best For Long Service Life: Welwik Derailleur Extender

Welwik Derailleur Extender
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Next on the list, we've got yet another extender that manages to win our hearts. It's the Welwik Derailleur Extender and it's widely considered as one of the most convenient extenders you can buy. The welwik derailleur extender is an excellent accessory for bicycle lovers. 7075 aluminum alloy locking screw, with greater locking torque. The rear derailleur hanger is made of high - quality materials, durable and has a long service life.

The extender is strong and it is beautiful. Also, the extender is used to lengthen the rear derailleur and is suitable for mountain flywheel.s. Most importantly, the welwik derailleur extender is upgraded, the adjustment is accurate, and the variable speed response speed is improved.

Why We Like This:
  • A bicycle rear derailleur is an excellent accessory for bicycle lovers.
  • It is black and it has great accessories.
  • 1 x bicycle rear derailleur rack 1 x screw.

Best For Bright Colors: Wuiun Derailleur Extender

Wuiun Derailleur Extender
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The Wuiun Derailleur Extender's superior materials make sure that it ages well with use. The wuiun derailleur extender is suitable for mountain road bike at 40t/42t/46t/50t/56t. Provide bright color, to make your mountain bike more personalized. Moreover, this makes for excellent quality and it is perfect for bright colors. Lastly, the wuiun derailleur extender is black, comes with excellent accessories and it allows for multiple choices.

Why We Like This:
  • Excellent accessories: flywheel speed expansion changes more smoothly, cyclists have excellent accessories.
  • Multiple choices: available in two colors, to meet different needs and requirements.
  • Excellent quality: aluminum alloy material, cnc technology, sturdy and durable, long service life.
  • Applicable models: for rear derailleur extension, suitable for mountain road bike of 40t/42t/46t/50t/56t.