The 7 Best Bicycle Quill Stem extenders (2023 reviews)

We consider a bicycle quill stem extender to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Wake Bicycle Quill Stem extender READ REVIEW

Best For fixie: Buy: UPANBIKE Bicycle Quill Stem extender READ REVIEW

Best For MTB: Buy: UPANBIKE Steerer Tube READ REVIEW

Best For updating old Mountain Bike: Buy: TRIWONDER Bicycle Quill Stem extender READ REVIEW

Best For Pretty hunched position: Buy: Boenoea Bicycle Quill Stem extender READ REVIEW

Best For short Steerer Tube: Buy: Dioche Bicycle Quill Stem extender READ REVIEW

Best Feature: Easy To Install: Buy: Boenoea Stem extender READ REVIEW

Best Overall: Wake Bicycle Quill Stem extender

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The wake bicycle quill stem extender's high-end materials makes sure that it ages well with use. They are supposed to be upright and a "plush" ride. This product is easy to install, if you are familiar with bike mechanics and assembly. The long bolt and stem cap forces the assembled units together and down, then clamping the top and bottom riser sections together and to the bike for a solid steering connection. It extends the stem so you don't have to lean forward as far. It can freely adjust the gasket to fit your own height.

This will ease the pain if you want to ride with less bending over. The adjustable one will not let you adjust as high. It comes with spacers to get the fit right.

• Perfect fit and function, appears strong and well made
• Good quality materials, light weight,simple install
• Super easy install and made bike much more comfortable with a more seated position

Best For fixie: UPANBIKE Bicycle Quill Stem extender

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Upanbike has been making great extender for years, thanks to a combination of clever design and appropriate materials. It is a great adapter to make your old bike fit modern stems and bars. It's the diameter of the lower part of the stem that inserts into your steerer tube. It bolts on to the flared end of the stem. It is perfectly served with the porpoise. The adapter functions as expected and holds the threadless stem without any issues.

The adapter is black, and has a very sturdy feel to it. It is much easier to remove than to install a stem bolt in your 12" kids bike.

• Allowing you the versatility of modern stems and also upgrading your handlebars
• Good adapter if you want easily change handlebars
• Simple inexpensive conversion from a gooseneck to a steering tube

Best For MTB: UPANBIKE Steerer Tube

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Best part: upanbike steerer tube costs comparatively low and it is available to ship in 24 hours. This item, a steerer tube adapter, will not significantly increase the height of your handle bars. It's more of an adapter, or converter, than an extender. It's tight to install but with grease it isn't impossible, it is much easier to remove than to install. The adapter functions as expected and holds the threadless stem without any issues.

This is to convert an old quill type stem system to use stems used with threadless systems. It bolts on to the flared end of the stem without any issues. It's the diameter of the lower part that enters your fork steer tube.

• Simple inexpensive conversion from a gooseneck to a steering tube
• Allows the use of standard stems
• Allowing you the versatility of modern stems and also upgrading your handlebars
• Great inexpensive way to update an older bike

Best For updating old Mountain Bike: TRIWONDER Bicycle Quill Stem extender

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The triwonder bicycle quill stem extender is suitable and reliable and fits well with your daily usage. This is what you need when you want to put a thread-less stem on a threaded fork. It is suitable for most bike with 1-1/8''(28.6mm) threadless steerer.

• Easy installation, converts a threaded quill stem setup to threadless
• Simple plug and play that works great
• Raises the height of your handlebars by increasing the height of your bike stem

Best For Pretty hunched position: Boenoea Bicycle Quill Stem extender

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Boenoea makes beautiful and great extender with classic and smartly choosen materials. The rod that comes with it fits the Schwinn GX2 neck fine. It provides a solid 4' rise" of the stem/bars. The extender fits into the frame of the bike and then you use the existing bolts that hold the handle bars on, to bolt it all together. It is adjustable, and has several collars to cover the part you leave exposed to the height you want. The included spacers allow the extension to be cut to the exact length required.

It's strong and stable. It comes with extension rings if too long or short.

• Very easy install with allen wrench
• Adjustable, so the height is optional
• Good brand reputation

Best For short Steerer Tube: Dioche Bicycle Quill Stem extender

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The dioche bicycle quill stem extender should be able to handle its purpose and duties with ease. Outdoor is the pursuit of adventure with the whole body to relax, and the dioche bike stem riser aims to provide convenience and safety for your outdoor cycling. Strong in anti-corrosion and rust-free, high toughness and not easy to deform, it has all the advantages that the handlebar riser you want. It is constructed of high-strength aluminum alloy, anti-corrosion and non-deformation. When you finish mounting, the stem riser is invisible outside, which keeps your bike more beautiful.

This riser is straight forward and easy to install that when finished is sturdy and very secure. It has very little intelligent thinking skills or mechanical knowledge. It ensures a long time service handling is more flexible, and operation is comfortable and convenient and lightweight, which will add no burden to your bike installation steps. It comes with several spacers so that you can add just enough length to your steerer, which is great.

• Solid and firm handlebar extender that is hard to loose, more safety when using
• Aims to provide convenience and safety for your outdoor cycling
• New and hot release

Best Feature: Easy To Install: Boenoea Stem extender

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If you often find yourself scrambling for appropriate and satisfactory extender, boenoea stem extender should be your first option for buying. It is great to change a sport/road bike to an upright riding position. It is adjustable, and has several collars to cover the part you leave exposed to the height you want. The included spacers allow the extension to be cut to the exact length required.

The rod that comes with it fits Schwinn GX2 neck fine. It is easy to install on the bike, just connect the original front bicycle fork stem. It's strong and stable. The height is adjustable depending on where the riser rings are placed. It is great to have room to grow.

• Sturdy, light, looks good, and gives the best hight found
• Works well, easy but time consuming to install
• Excellent idea to use on mountain bikes to extend