Top 9 MTB Stem 31.8 90mm – Bike Stems

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1. FOMTOR

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FOMTOR 31.8 Stem 35 Degree 90mm Bicycle Handlebar Stem Riser MTB Stem Suitable for Mountain Bike Road Bike BMX MTB

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FOMTOR #ad - Suitable for most road bike, BMX, DH, track bike, MTB, mountain bikes, etc. Angle: +/- 35 degree. Help to up or down the heigth of handlebar. Weight. 135g028lb. Light weight and durable. 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. Constructed of high-strength 6061 T6 aluminum alloy.
BrandFOMTOR #ad
ManufacturerFOMTOR #ad
Part NumberFOMTOR
ModelFOMTOR

2. Litetop

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Fixie Gear, Road Bike, MTN, Black, MTB Stem 31.8 Stem 60mm 25 Degree Wake Mountain Bike Stem Short Handlebar Stem for Most Bicycle, BMX, Cycling Aluminum Alloy

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Litetop #ad - Four bolt bar clamp holds bar securely in position. Universal short handle bar stem suitable for most road Bike, BMX, DH, MTB, Downhill bike, Fixed Gear Bicycle, Track bike, Mountain Bikes Neck, etc. Constructed of high-strength CNC machined 6061 T6 aluminum alloy. Downhill, chongshan, Climbing, DIY, with them very comfortable. Handlebar diameter: 31. 8mm 1-1/4", length: 60mm center distance of the two holes, Stereer Tube diameter: 28. 6mm 1-1/8", weight: 121g. Suitable for modified, upgrade the bike. Easy installation, just connect up the original front fork stem.
BrandLitetop #ad
ManufacturerLitetop #ad
Part NumberLitetop0455_60

3. Wake

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Wake MTB Stem 31.8 90mm 0-60 Degree Adjustable Bike Stem Mountain Bike Stem Short Handlebar Stem for Most Bicycle, Fixie Gear, Cycling Aluminum Alloy, Lightweight, Road Bike, Black, BMX, MTB

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Wake #ad - Easy installation, just connect up the original front fork stem. Four bolt bar clamp holds bar securely in position. Please confirm Your Size Before Your Purchase. Stereer tube diameter: 28. 6mm 1-1/8", weight: 260g, handlebar diameter: 31. 8mm 1-1/4", length: 90mm, degree: 0-60° Adjustable. Hollow design, light weight. Universal short handle bar stem suitable for most road bike, fixed gear bicycle, mountain bikes, etc.
BrandWake #ad
ManufacturerWake #ad
Height1.97 Inches
Length3.54 Inches
Weight0.33 Pounds
Width1.57 Inches
Part NumberWake

4. FOMTOR

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FOMTOR Bike Stem 31.8mm 17 Degree Bicycle Handlebar Stem Riser Suitable for BMX MTB Road Bike Mountain Bike 31.8 x 90mm

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FOMTOR #ad - Light weight and durable. Suitable for most road bike, BMX, DH, mountain bikes, MTB, track bike, etc. 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. 135g028lb. Angle: +/- 17 degree. Help to up or down the heigth of handlebar.
BrandFOMTOR #ad
ManufacturerFOMTOR #ad
Part NumberFOMTOR

5. Wake

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Black, Wake MTB Stem 31.8 90mm 25 Degree Bike Stem Mountain Bike Stem Short Handlebar Stem for Most Bicycle, BMX, Cycling Aluminum Alloy, MTB, Lightweight, Road Bike

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Wake #ad - Stereer tube diameter: 28. 6mm 1-1/8", weight: 140g, length: 90mm, Handlebar diameter: 31.8mm 1-1/4", degree: 25°. Hollow design, Light weight. Easy installation, just connect up the original front fork stem. Universal short handle bar stem suitable for most road bike, mountain bikes, fixed gear bicycle, etc. Four bolt bar clamp holds bar securely in position.
BrandWake #ad
ManufacturerWake #ad
Height1.97 Inches
Length3.54 Inches
Weight0.15 Kilograms
Width1.57 Inches
Part NumberWake

6. Wake

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Cycling Aluminum Alloy, BMX, Black, Road Bike, Fixie Gear, MTB, Lightweight, Wake MTB Stem 31.8 90mm 17 Degree Bike Stem Mountain Bike Stem Short Handlebar Stem for Most Bicycle

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Wake #ad - Universal short handle bar stem suitable for most road bike, fixed gear bicycle, mountain bikes, etc. Easy installation, just connect up the original front fork stem. Hollow design, Light weight. Four bolt bar clamp holds bar securely in position. Stereer tube diameter: 28. 6mm 1-1/8", handlebar diameter: 31. 8mm 1-1/4", weight: 130g, length: 90mm, Degree: 17°.
BrandWake #ad
ManufacturerWake #ad
Height1.97 Inches
Length3.54 Inches
Weight0.15 Kilograms
Width1.57 Inches
Part NumberWake

7. CXWXC

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CXWXC Adjustable MTB Stem 31.8mm 85 Degree, 90/110/145mm Bike Stem Riser for Handlebar, Aluminum Alloy Mountain Bike Handlebar Riser Extender for MTB Road City Bike Bicycle 31.8 x 90mm

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CXWXC #ad - 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.

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. Suitable for most bike: our bike stems are suited to a wide variety of bicycles, and also to the different types of riders. Ideal for mtb racing and those who take their off road biking very seriously. Four bolt bar clamp holds bar securely in position.

Please confirm your size before your purchase. The durability of this stem is very adjustable with an angle of -85°to +85°. Our adjustable stem is the best bet to get comfortable. Material: the mtb stem is manufactured with a 3d forged alloy construction that gives strength and control. Easy to install: just connect up the original front fork stem.
BrandCXWXC #ad
ManufacturerCXWXC #ad
Part NumberXT-AS822

8. Sanzhi

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Sanzhi Bike Stem 31.8 90mm 110mm 130mm 0-60 Degree Adjustable MTB Riser Stem Short Handlebar Stem Mountain Bike Stem for Bicycle, MTB, Cycling, Road Bike, BMX Only Fit 1.25"/31.8mm Handlebar

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Sanzhi #ad - Just connect up the bicycle stem to original front fork stem. Boenoea adjustable handle bar stem suitable for most road bike, downhill bike, track bike, mountain bikes, fixed gear bicycle, MTB, BMX. 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.

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. The stem is not suitable for GIANT bicycles with 31. 8mm fork diameter. Four bolt bar clamp holds bar securely in position. The bicycle stem is easy to install, just connect up the original front fork stem. This stem and a riser handlebar did the trick, allow you to sit more upright on bike which is better for your back. Four bolt bar clamp holds bar securely in position.
BrandSanzhi #ad
ManufacturerSanzhi #ad
Part Numbersanzhi-12

9. OSAGIE

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OSAGIE Bike Stem MTB stem 25.4/31.8 90mm ±60 Degree Adjustable Raise up Handlebar Tube Stem for Most Bicycle Road Bike MTB BMX Cycling, with 6pcs Free Bicycle Headset Spacer Black 31.8x90mm

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OSAGIE #ad - The bicycle stem is easy to install, fixed gear bicycle, Just connect up the bicycle stem to original front fork stem. Before order this bike stem, please double check your front fork stem diameter: 28.

6mm1-1/8", handlebar diameter: 31. 8mm1-1/4" or 25. 4mm1". Inside diameter: 28. 6mm1-1/8 inch. We offer 6pcs set black bike headset spacer in the box for free. Four bolt bar clamp holds bar securely in position. Length: 90mm center distance of the two holes. Use the adjustable stem to achieve a more comfortable riding position. Universal short handle bar stem suitable for most road bike, mountain bikes, etc.

This stem and a riser handlebar did the trick, allow you to sit more upright on bike which is better for your back. Adjustable degree mtb stem: -60°~+60° adjustable. The mountain bike stem is constructed of high-strength CNC machined 6061 T6 aluminum alloy. Lightweightabout 280g and Durable MTB Stem. If your looking for color, you can find in our store to get more color you want.
BrandOSAGIE #ad
ManufacturerOSAGIE #ad
Height1.97 Inches
Length5.91 Inches
Width1.97 Inches
Part NumberOSAGIE02