Best Aluminum Bike Stems in 2026

!!! NOTE (very important) : This mountin bike mtb stem ONLY fit for 31.8mm handlebar! Other handlebar is NOT applicable！Handlebar diameter 31.8mm (1.25''), front fork stem diameter 28.6mm (1-1/8"), Length: 70mm (center distance of the two holes)

Angle: 35 degree. Help to up or down the heigth of handlebar.

Light weight and durable. Weight. Only 140g(0.3lb) ,

Super Light & Anti-rust: Made of lightweight anodized aluminum, our tubeless presta valve stem is not only lightweight but also anti-rust. Stem length: 40mm, 44mm(two valve presta)

Superior Seal: With a removable valve cover, O-ring, and lock nut. The large soft rubber base can easily form an airtight seal on the valve hole with a diameter of not more than 8MM, ensuring that the nut can be tightened and protecting the rim

Removable Valve Core: The valve core is a removable cover, our valve comes standard with an integrated valve core-removable cover and two other covers as spare parts, which can help you remove the core and easily fill the sealant

CNC machined 6061 Aluminum

Fits standard 1-1/8" threadless fork systems

55mm reach

Material: aluminum

Length: 50mm 70mm, 90mm 100mm, 110mm 120mm, 130mm

Rise: 10, 0

Material: The MTB stem is made of 6061T6 aluminum and full machined

CNC works to reduce every single gram of extra weight and FEA during develop to reduce every single gram

Super Light Weight: The bike stem is Only 132g (4.65 oz.)

The Ritchey 4-Axis Adjustable stem features a 3D-net shaped forged shaft, interconnected with a precision broached clamp to create a strong, lightweight and secure stem

Stem angle is adjustable +/- 55 degrees to obtain the optimal height and position

Stainless steel bar and steerer clamp bolts provide exceptional durability

6061-T6 aluminum

Four bolt bar clamp holds bar securely in position, interlocking U-Shaped Handlebar Clamp Geometry

Faceplate eliminates ''stress risers'' which cause your bar to bend or break

🚲【Perfect for Most Bikes】The stem riser is suitable for most bike with 1-1/8''(28.6mm) threadless steerer.Your bike can do more with this mountain bike stem extender.

🚲【Adjustable Height】The bicycle stem riser offers up to 85mm stem height increase, you can customise your new riser stem height perfectly for your riding needs.

🚲【4 Spacers Included】The stem riser adapter comes with 4 spacers (1×5mm & 3×10mm), so you can adjust the height of the riser stem by swapping spacers.

Maximum Height Extension: 70mm (2.7 inch). Include 4 gaskets, 3 x 10mm (2/5 inch) and 1 x 5mm (1/5 inch). Can freely adjust the gasket to fit your own height

Easy installation, just connect up the original front fork stem

Forged 6061 Aluminum Alloy Material with polished anodized finish, Solid, Secure, Durable.

Improve Your Ride & Posture: Making the decision to buy a bicycle is only half the battle to ensuring a comfortable ride. For those riders who are looking for a more comfortable position, the Delta Cycle Stem Raiser Pro provides the ideal handlebar riser solution, increasing handlebar height up to 4.6".

Height Extension: Like a pair of jeans, most bikes are designed for an average-sized person of a certain age. For those outside of that average, the Stem Raiser Pro is for you. This stem riser features an integrated height marker to help you quickly find your ideal handlebar position.

Comfortable Cycling: With Stem Raiser Pro, you can elevate your handlebar for better posture, reduced back, neck, and wrist pressure, and maximum comfort. No more back pain due to uncomfortable positioning.

ALUMINUM CONSTRUCTION: A6061-T6 alloy 3D forged

ROAD OR MOUNTAIN USE: Versatile Universal Design

SPECS: Fits 1 or 1-1/8" Fork steerer tube, 70mm length, Fits bars with stem clamp diameter of 25.4 or 31.8, Stem angle +/- 35°, Weight: 135g

Angle: +/- 7 Degree.;Handlebar diameter 31.8mm (1.25''), front fork stem diameter 28.6mm (1-1/8"), Length: 70mm (center distance of the two holes)

Light weight and durable.Weight :110g

Constructed of high-strength CNC machined 6061 T6 aluminum alloy.

✅ HIGH STRENGTH -- 6061 Aluminum alloy bicycle stem riser is 20% lighter than ordinary Al alloy stem extender. Solid and firm handlebar extender that is hard to loose, more safety when use. Strong in anti-corrosion and rust-free, high toughness and not deformed

✅ FUNCTIONAL GASKETS -- The bike neck extender is equipped with 5 gaskets, 5 x 10mm, can increase the height up to 100mm. (more details refer to Figure 2)

✅ ADJUSTABLE -- The stem adaptor can adjust the gasket to fit your need freely, reducing the pressure of waist effectively, biking more relaxed

【Ideal Stem for Rider】: Can't get comfortable on your bike? Tried too many bike stems? This adjustable stems are a useful way of tweaking your handlebar height and reach, particularly for touring where you spend long hours in the saddle. Our adjustable stem is the best bet to get comfortable

【Compatibility】: Only Fit for Handlebar diameter 31.8mm (1-1/4''), front fork stem diameter 28.6mm (1-1/8") and is available in a range of lengths – 90, 110 and 145mm. PLEASE CONFIRM YOUR SIZE BEFORE YOUR PURCHASE

【Material】: The MTB stem is manufactured with a 3D Forged alloy construction that gives strength and control. The durability of this stem is very adjustable with an angle of (-70°to +70°)

Fit for Handlebar diameter 25.4 mm (1'')(31.8mm is not suitable), front fork stem diameter 28.6mm (1-1/8"), Length: 60mm (center distance of the two holes)

Angle: +/- 35 degree.help to up or down the heigth of handlebar.

Light weight and durable. Weight.106g(0.23lb)

Stereer Tube diameter: 28.6mm (1-1/8"), Handlebar Diameter: 31.8mm (1-1/4"), Length: 90mm, Weight: 260g, Degree: 0-60° Adjustable

Hollow design, Light weight. Please Confirm Your Size Before Your Purchase

Four bolt bar clamp holds bar securely in position.

FORGED AL-6061 - Forged from supper strong 6061-T6 aluminum to handle extreme situations and unexpected terrains

LIGHT WEIGHT - Lightweight aluminum body is bored out for weight reduction for a minimal weight just over 200g

FEATURES - 4-bolt handle bar clamp design and 2-bolt steerer tube clamp with a 0-degree stem angle and rise

🚴‍♂️- Great Deal, You are looking at our new released MTB 31.8mm short Stem, made with 3D forged 6061T6 Aluminum, machined by "Double Body" processing, anodized color. It's smart, lightweight and ultra-strong, ready to Jump! A same style of Handlebar is also available;

🌟 - Light Well Build, it's a length of 35mm, 31.8mm clamp, Heigth 40mm, Steerer 28,6mm; designed for improving your riding, jumping, crossing performance and experience; Offering at just only ~143g, hold in hands to see how beautiful it is;

🎁 - Gift Options, it looks just as a beauty with excellent annodization, You may find it a gift option to your husband, wife, boyfriend, girlfriend, or gift for your kids' bike for back to school gift, Christmas gift, Valentine's day gift, Mother's day or Father's day gift, thanksGiving gift or New year gifts, for mountain bike, fat bike or e-bike;

🚴‍♂️ FUNCTIONAL GASKETS: The bicycle neck extender is equipped with 6 washers, 1 x 0.5cm, 1 x 1cm and 4 x 2cm, which increases the height to 145mm

🚴‍♂️ ADJUSTABLE: The height of the extender can be adjusted by adjusting the number and type of spacers, reducing the pressure of waist effectively, biking more relaxed. Take the discomfort away from your upper back, neck and wrist

🚴‍♂️ HIGH STRENGTH & EASY TO OPERATE: The bicycle fork extender is made of refined 6061 aluminum alloy material. After T4 heat treatment + T6 heat treatment, the handlebar extender is stronger, more resistant to oxidation and corrosion, not easy to loose, and safer to use

LIGHT WEIGHT - 9.7 oz

QUALITY - Made from Reliable 6061 Aluminum with Hardened Chromoly Bolts

RIGHT SIZE - 50mm reach , 32mm Stack Height

Only Fit for Handlebar diameter 31.8mm (1.25''), please measure the diameter of your bandlebards before you buy it. front fork stem diameter 28.6mm (1-1/8"), Length: 110mm (center distance of the two holes).This mtb stem only fit for 31.8mm(1.25") handlebars.

Adjustable angle: 0° ~ 60°. Maximum height extension 90mm.

Weight:285g. Constructed of high-strength CNC machined 6061 T6 aluminum alloy.strong and durable.

Only Fit for Handlebar diameter 25.4mm (1''), front fork stem diameter 28.6mm (1-1/8"). Note:Do not fit 31.8mm (1.25") handlebar.Please confirm that your Handlebar Diameter is 25.4mm before you buy it.

Adjustable angle: 0° ~ 60°.Maximum height extension 90mm.Length: 110mm (center distance of the two holes)

Weight:274g. Constructed of high-strength CNC machined 6061 T6 aluminum alloy.strong and durable.

Handlebar diameter: 31.8mm (1-1/4"), Stereer Tube diameter: 28.6mm (1-1/8"), Length: 60mm (center distance of the two holes), Weight: 121g

Universal short handle bar stem suitable for Most Road Bike, Fixed Gear Bicycle, Mountain Bikes Neck, Downhill bike, Track bike, MTB, BMX, DH, etc.

Constructed of high-strength CNC machined 6061 T6 aluminum alloy.

Handlebar diameter: 25.4mm (1"), Stereer Tube diameter: 28.6mm (1-1/8"), Length: 32mm (center distance of the two holes), Weight: 150g

Easy installation, just connect up the original front fork stem.

Four bolt bar clamp holds bar securely in position.

Handlebar clamp diameter: 31.8mm(1.25"),Only fit for 31.8mm handlebars.Steerer tube diameter: 28.6mm(1-1/8 in), Length: 35mm (center distance of the two holes)

3D Forged Alloy. Constructed of high-strength 6061 T6 aluminum alloy.Light weight and durable.

This 35mm short bike stem suitable for most mountain bikes, road bike, fixed gear bicycle, BMX, MTB, track bike etc.

AL7075-T6 aluminum with a chromoly bolt

Converts a threaded quill setup to threadless

Allows stem height raise of 1"

Strong material: forged aluminum alloy material, solid and firm handlebar extender, durable for more safety when use, high toughness and not deformed

Maximum height extension: stem riser can freely adjust the gasket to fit your own height, reducing the pressure of waist effectively and raised to your comfortable position

Easy installation: just connect up the original front bicycle fork stem. The handlebar riser can apply to most of the Met bikes

🚴‍♂️ SPECIFICATION: Angle: +/- 7 Degree; Handlebar Diameter: 31.8mm (1-1/4"), Front Fork Stem Diameter: 28.6mm (1-1/8"), Length: 60mm / 70mm / 80mm / 90mm (center distance of the two holes)

🚴‍♂️ HIGH QUALITY: Constructed of high-strength 6061 aviation aluminum alloy. Lightweight and durable

🚴‍♂️ EASY INSTALLATION: Just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position

TWO BOLD DESIGN. DON'T NEED TO REMOVE THE GRIPS IN ORDER TO INSTALL THE STEM.

MATERIAL: ALUMINUM ALLOY.

FORK TUBE INSERT SIZE: 22.2MM (7/8")

Shim to reduce 1 1/8" (28.6 mm) to 1" (25.4 mm)

Aluminum construction

Size: 40 mm high