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100- mm 28.6 31.8 mm Bicycle Stems

Stem length is measured from the center of one clamp to the center of the other clamp. This measurement is sometimes known as the reach or extension.

S.H.I.S clamp diameter is the steerer tube diameter.

Bar clamp diameter is the diamater of the handlebar.

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Showing 97 products:

Thomson X4 Mountain 31.8 100mm 90 Degrees Black 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 100mm 90 Degrees Black 1-1/8" Threadless StemThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 428098
Ritchey Classic C220 Stem 31.8mm +/- 6 degree HP Silver
Ritchey Classic C220 Stem 31.8mm +/- 6 degree HP SilverRitchey

C220 with forward facing bolt design for easy installation Coated chromoly hardware Item Specifications Color: Silver Bar Clamp … read more

your price $74.95 + ships free

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Ritchey C-260 Superlogic Carbon Stem
Ritchey C-260 Superlogic Carbon StemRitchey

Ritchey Stems Matte UD carbon Stack: 42mm Item Specifications Color: Black Weight: 125g Intended Use: Road Bar Clamp Diameter: 31.8mm Stem … read more

your price $299.95 + ships free

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Cirrus Cycles Kinekt Suspension Stem - 100, 31.8 Clamp, +30, 1-1/8", Alloy, Black
Cirrus Cycles Kinekt Suspension Stem - 100, 31.8 Clamp, +30, 1-1/8", Alloy, Black

The Kinekt Suspension Stem is designed to reduce arm, wrist, and shoulder discomfort. Adjustable, Compact, and built to last. Significantly reduces … read more

your price $179.95 + ships free

BuyBuyPART NUM 631002
Origin8 Everland MX/GX 40 degree Stem, 100x31.8, Black
Origin8 Everland MX/GX 40 degree Stem, 100x31.8, Black

High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more

15% offretail $43.99 your price $37.39 + ships free

BuyBuyPART NUM 175945
Redshift ShockStop +30 100mm  Stem: Black
Redshift ShockStop +30 100mm Stem: Black

An adjustable stiffness suspension stem that smooths out the ride by reducing the affects of impacts and road vibrations. Unwanted vertical movement … read more

your price $169.99 + ships free

BuyBuyPART NUM 513672
MSW 17 Stem - 100mm, 31.8 Clamp, +/-17, 1 1/8", Aluminum, Silver
MSW 17 Stem - 100mm, 31.8 Clamp, +/-17, 1 1/8", Aluminum, Silver

MSW 17 degree stems raise the bar--literally--for what riders can expect from an inexpensive stem. Available in lengths from 60-120mm for custom-fitting. … read more

your price $36.99 + ships free

BuyBuyPART NUM 523519
Origin8 Everland MX/GX 25 degree Stem, 100x31.8, Black
Origin8 Everland MX/GX 25 degree Stem, 100x31.8, Black

High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more

15% offretail $43.99 your price $37.39 + ships free

BuyBuyPART NUM 347174
Redshift ShockStop +/-6 deg 100mm Stem: Black
Redshift ShockStop +/-6 deg 100mm Stem: Black

An adjustable stiffness suspension stem that smooths out the ride by reducing the affects of impacts and road vibrations. Unwanted vertical movement … read more

StarStarStarStarStar 5 of 5 ( 2 ) 5 of 5 stars average ( 2 reviews )

your price $169.99 + ships free

BuyBuyPART NUM 575573
Origin8 3D Pro Fit Stem, 100 x 31.8mm, +/-17d, Black
Origin8 3D Pro Fit Stem, 100 x 31.8mm, +/-17d, Black

Available in a variety of lengths, angles, and bar bores for the perfect fit Road or Mountain compatible 3D forged AL6061-T6 alloy … read more

15% offretail $41.99 your price $35.69 + ships free

BuyBuyPART NUM 744041
Ritchey Comp 4-Axis Stem - 100 mm, 31.8 Clamp, +30, 1 1/8", Alloy, Black
Ritchey Comp 4-Axis Stem - 100 mm, 31.8 Clamp, +30, 1 1/8", Alloy, BlackRitchey

Proven time after time to be a reliable, easily adjustable system that continues to outperform the competition, the 4-Axis stem is a sure fire go to for … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

your price $44.95

BuyBuyPART NUM 784718
Salsa Guide Stem 100mm 31.8 +/-6 degree Black
Salsa Guide Stem 100mm 31.8 +/-6 degree BlackSalsa

The Guide Stem is lightweight, reliable, and provides excellent steering response on the road or trail. Bead-blasted, then anodized, finish … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

your price $40.00 + ships free

BuyBuyPART NUM 703813
Whisky No.7 6d Stem 100mm +/- 6 degree 31.8 Black
Whisky No.7 6d Stem 100mm +/- 6 degree 31.8 BlackWhisky Parts Co.

The No.7 is a lightweight stem with clean aesthetics. Stems only have a few jobs to do - hold the bars, provide stable support and look good. Available … read more

your price $42.00 + ships free

BuyBuyPART NUM 195534
Ritchey Comp 4-Axis Stem - 100 mm, 31.8 Clamp, +/-6, 1 1/8", Alloy, Black
Ritchey Comp 4-Axis Stem - 100 mm, 31.8 Clamp, +/-6, 1 1/8", Alloy, BlackRitchey

Proven time after time to be a reliable, easily adjustable system that continues to outperform the competition, the 4-Axis stem is a sure fire go to for … read more

your price $44.95

BuyBuyPART NUM 957409
Cane Creek eeSilk Stem - 100mm, 31.8mm, +6/-6, 1 1/8", Alloy, Black
Cane Creek eeSilk Stem - 100mm, 31.8mm, +6/-6, 1 1/8", Alloy, BlackCane Creek

The Cane Creek eeSilk Stem is a fatigue-reducing compliance stem that noticeably reduces vibrations on variable surfaces. With up to 20mm of tunable compliance … read more

your price $219.99 + ships free

BuyBuyPART NUM 110458
Thomson X4 Mountain 31.8 100mm 100 Degrees Black 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 100mm 100 Degrees Black 1-1/8" Threadless StemThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 626800
MSW 17 Stem: 100mm 31.8 x 17d, 1-1/8, Black
MSW 17 Stem: 100mm 31.8 x 17d, 1-1/8, Black

MSW 17 degree stems raise the bar--literally--for what riders can expect from an inexpensive stem. Available in lengths from 60-120mm for custom-fitting. … read more

your price $36.99 + ships free

BuyBuyPART NUM 826452
Salsa Guide Trail Stem - 100mm, 31.8 clamp, +6, -6, 1 1/8", Aluminum, Silver
Salsa Guide Trail Stem - 100mm, 31.8 clamp, +6, -6, 1 1/8", Aluminum, SilverSalsa

The Guide Stem is lightweight, reliable, and provides excellent steering response on the road or trail. Bead-blasted, then anodized, finish … read more

your price $45.00 + ships free

BuyBuyPART NUM 616695
Ritchey WCS Toyon Stem, 31.8 x 100mm, 83d, Matte Black
Ritchey WCS Toyon Stem, 31.8 x 100mm, 83d, Matte BlackRitchey

220 degrees of bar/stem interface for improved stress distribution 42mm steerer clamp height and 42mm faceplate width Equipped with … read more

your price $99.95 + ships free

BuyBuyPART NUM 732445
FSA Omega Stem - 100mm, 31.8, +/-6, 28.6, Alloy, Black
FSA Omega Stem - 100mm, 31.8, +/-6, 28.6, Alloy, BlackFull Speed Ahead

FSA Omega Stem 3D forged and CNC machined from AL6061/T11 4-bolt cold-forged alloy faceplate Chromoly steel hardware 40mm fork … read more

your price $34.30 + ships free

BuyBuyPART NUM 470362
Thomson

Thomson is leading with innovative design for two primary markets - aerospace and cycling.

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Ritchey

"Ritchey bicycle components have been raced to victory in some of the biggest cycling competitions in the world including the UCI World Championships, the Tour de France and the Olympics and it all began in a simple garage in Menlo Park, California with Tom Ritchey.'

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Salsa

"At Salsa, we believe a sense of adventure makes life better. The bicycle can be so much more than just a bike; it's a path to new places, new people, and amazing experiences."

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Whisky Parts Co.

"Whisky Parts Co. makes high quality carbon components designed with unique features that help you do more with your bike and stand out from the rest. We believe that our work can help every rider find a new level of confidence and performance with our sturdy and lightweight forks, bars, rims and more. So whether you are building a new bike or upgrading one you already have, you'll find an uncommon attention to detail in every product we offer."

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Cane Creek

"The world's best choose Cane Creek. A key element of Cane Creek's mission is to support the sport of cycling, including racing, charitable activities and cycling advocacy. Cane Creek believes strongly in the power of bicycles and their potential to effect positive change in our society. To that end, Cane Creek supports athletes and teams whose purpose encompasses more than competitive racing, such as getting more people on bikes, improving or promoting a healthy lifestyle, and making our world better through the use of a bike."

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Full Speed Ahead

"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."

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Dimension

Dimension makes quality components to repair or custom-fit the vast majority of bikes being ridden today, and provide the accessories that make them fun to ride.

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Syntace

"Strong. Light. Smart."

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We define color as the main color of the item. It may have accents or highlights in other colors.

In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.

These models are available for online purchasing and can be shipped directly to you.

Bar clamp diameter is the diamater of the handlebar.

Stem length is measured from the center of one clamp to the center of the other clamp. This measurement is sometimes known as the reach or extension.

S.H.I.S clamp diameter is the steerer tube diameter.

Stem angles are measured perpendicular to the clamp. For example, a 90 degree stem is straight. Sometimes, this may also be refered to as a 0 degree stem. If two measurements are listed, the stem can be flipped for angling up or down.

Stem Type

This is the part number or identifier for this item from the manufacturer

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