Best Zoom Bike Stems in 2026

🚲【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.

🚴‍♀️ Stereer Tube diameter: 28.6mm (1-1/8")　Handlebar Diameter: 31.8mm (1-1/4") or 25.4mm (1'')　Length: 90mm / 110mm / 120mm　Degree: 0-60° Adjustable

🚴‍♂️ Hollow design, lightweight. Please Confirm Your Size Before Your Purchase.

🚴‍♀️ Four bolt bar clamp holds bar securely in position.

Handlebar diameter: 31.8mm (1-1/4"), Tube diameter: 28.6mm (1-1/8"), Length: 45mm (center distance of the two holes), Weight: 130g

Universal short handle bar stem suitable for most road bike, fixed gear bicycle, mountain bikes, downhill bike, track bike, MTB, BMX, DH, etc.

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

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.

Aluminium, 3-D FORGED, adjustable from 0° to 60°, for 1.1/8"

Two-part-clamp 31.8 mm oversize, matt black/silver

267 g (for 105/70 mm) length a 105 mm/ b 70 mm

🚴‍♂️- 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;

Available in - 21.1mm or 22.2mm

Steel Quill 4-bolt Alloy Top Stem

Material: 6061 aluminum

Length: 90mm

Steer Tube Diameter: 1-1/8in

4 BOLT DESIGN: Top down bolts for maximum handlebar security

ALLOY/STEEL CONSTRUCTION: For weight savings and strength

EASY TO INSTALL: Installs into your BMX fork tube with ease

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.

Bar bore clamp diameter:31.8mm(1-1/4"),Steerer Tube Diameter: 28.6mm (1-1/8"),Stack Height: 40mm,Stem length:60mm (center distance of the two holes),

Rise: +/- 25 degree.help to up or down the heigth of handlebar.

Universal 31.8 to 25.4 Bike Handlebar Shim, 31.8 Mountain Bike Stem can refit into 25.4mm Stem for Fixed Gear Bike ,City Bike etc.,

🚴‍♂️ 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

45mm Handlebar diameter 31.8mm (1-1/4"),Stereer Tube diameter: 28.6mm (1-1/8")

Lightweight MTB stem, Length: 45mm (center distance of the two holes)

Material:made of high-strength material - aluminum alloy 6061.

Stereer Tube diameter: 28.6mm (1-1/8"), Handlebar Diameter: 31.8mm (1-1/4"), Length: 50mm, Weight: 220g, Degree: 30°

Easy installation, just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position

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

Fit for handlebar diameter 31.8mm (1.25''), front fork stem diameter 28.6mm (1-1/8"), Length: 90mm (center distance of the two holes)

Weight:205g. Constructed of high-strength CNC machined 6061 T6 aluminum alloy.

Angle: +/- 45 degree.help to up or down the heigth of handlebar.

【BIKE STEM】 - This bike stems features a precision 3D shaped forged shaft interconnected with a precision broached clamp to create the strongest, lightest, most secure adjustable stem available. DIal-in the perfect height for your Handlebars!

【BIKE STEM SIZE】- Sleek aesthetics combine with performance in this Handlebar Stem Suitable for 31.8mm (1-1/4") handlebars, front fork stem diameter 28.6mm (1-1/8") ,Length: 75,95,130mm (center distance of the center of angle disk ),Weight: 320g,Please Confirm Your bike Size Before Your Purchase.

【ADJUSTABLE ANGLE】- -40 angle to +90 angle adjustable according to your habits, the Adjustable Stem It can help you raise or lower the height of the handlebars to improve your position or comfort as you ride. so as to obtain a more comfortable riding experience

Please confirm your bike handlebar diameter is 31.8mm (1-1/4") and fork steerer tube diameter is 28.6mm (1-1/8") before order!!! Otherwise, the item is not suitable for your bike!

Degree: 0-60° adjustable.Not applicable to Giant bicycles.The mountain bike stem is constructed of high-strength CNC machined 6061 T6 aluminum alloy.Lightweight and Durable MTB Stem - about 280g

Use the adjustable stem to achieve a more comfortable riding position, the pain caused by the original setup in shoulders/arms/back had to be corrected. This stem and a riser handlebar did the trick, allow you to sit more upright on bike which is better for your back.

EN CITY safety certified

Forged alloy construction

Forged alloy

🚴‍♂️ Stereer Tube Diameter: 28.6mm (1-1/8"), Handlebar Diameter: 31.8mm (1-1/4") OR 25.4 mm (1''), Length: 90mm / 110mm / 120mm / 130mm, Degree: 0-60° Adjustable

🚴‍♂️ Constructed of high-strength 6061 aluminum alloy. Hollow design, Light weight and durable

🚴‍♂️ Four bolt bar clamp holds bar securely in position

Alloy construction

For 1" (22.2 mm) steerer tube

36 mm in length

30 degree angle, for 1 1/8 inch

50 mm in length

Aluminum construction

Only Fit for Handlebar diameter 31.8mm (1.25''), front fork stem diameter 28.6mm (1-1/8"), Length: 110mm (center distance of the handlebar hole and Bolt)

Adjustable angle: 0°~ 90°.Maximum height extension 150mm.Help to make your bike very comfortable to ride.

Weight:398g. Constructed of high-strength CNC machined 6061 T6 aluminum alloy.strong and durable.

SPECIFICATIONS: Handlebar Diameter: 31.8mm (1-1/4"), Fork Tube Diameter: 28.6mm (1-1/8"), Length: 50mm (center distance of two holes), Weight: 0.35lbs (162 gram).

【SHORT STEM ADVANTAGE】: Bike 50mm short stem is more conducive to the control of the bike, so that the bike steering is more flexible, and the short stem with the long handlebar,will safer and more stable at high speed.

【CNC HOLLOW DESIGN】: Mountain bike stem ultra-lightweight hollow design, strong shape, Beautiful detail, slarge area CNC hollowed out in the center reduces weight without losing strength.

Material: aluminum alloy

Angle: 0-70° adjustable

Length: 145mm, handlebar diameter: 31.8mm, front fork stem diameter: 28.6mm (1-1/8")

SIZE: The bike stem is suitable for most bicycles with a 28.6mm (1⅛") front fork stem diameter and a 25.4mm (1") bar bore.Extension length : 110mm (center distance of the two holes).

ADJUSTABLE DESIGN:Adjustable angle: 0°〜50°,It can help you raise or lower the height of the handlebars, so as to obtain a more comfortable riding experience.

HIGH QUALITY:Made of high-strength aluminum alloy material, lightweight and stable performance, can provide you with superior use effect.

22.2 is needed for your 1" steel fork for classic aluminum build;

Material: AL6061-T6 aluminum with a chromoly bolt;

Size: small head: 22.2mm, big head: 28.6mm;

Alloy 3D forged

Adjustable from 0-60 degrees

For 1 1/8" steerer tube; 125 mm in length

ADJUSTABLE HEIGHT:The stem riser adapter comes with 4 spacers (1×5mm & 3×10mm), can increase the height up to 85mm.you can customise your new riser stem height perfectly for your riding needs.

WIDELY COMPATIBLE: 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.

ALUMINIUM MATERIAL:The steerer tube extender is made from forged 6061 aluminium alloy, super strong and lightweight. A durable bike handlebar riser provides longer and more comfortable riding experiences.

Alloy

Ahead 1.1/8"

L= 50mm H= 30mm