31.8 mm 100 mm Bicycle Stems
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.
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Showing 115 products:
Salsa Guide Stem 100mm 31.8 +/-6 degree Black
5 of 5
( 2 )
5 of 5 stars average
( 2 reviews )
BuyPART NUM 703813
The Guide Stem is lightweight, reliable, and provides excellent steering response on the road or trail. Bead-blasted, then anodized, finish … read more
5 of 5
( 2 )
5 of 5 stars average
( 2 reviews )
In Store
Lowest Price
Salsa 7DA-296BX-100 SA2-80
Ships Free10% offretail $40.00 Ends 10/8! $36.00 + ships free
BuyPART NUM 703813 
Ritchey C-260 Superlogic Carbon Stem
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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 $249.95 + ships free
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Origin8 Everland MX/GX 40 degree Stem, 100x31.8, Black BuyPART NUM 175945
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
popular15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 175945 
Cirrus Cycles Kinekt Suspension Stem - 100, 31.8 Clamp, +30, 1-1/8", Alloy, Black BuyPART NUM 631002
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 $189.95 + ships free
BuyPART NUM 631002 
Origin8 3D Pro Fit Stem, 100 x 31.8mm, +/-17d, Black BuyPART NUM 744041
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
BuyPART NUM 744041 
Origin8 Everland MX/GX 25 degree Stem, 100x31.8, Black BuyPART NUM 347174
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
BuyPART NUM 347174 
MSW 17 Stem - 100mm, 31.8 Clamp, +/-17, 1 1/8", Aluminum, Silver BuyPART NUM 523519
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
BuyPART NUM 523519 
Ritchey Comp 4-Axis Stem - 100 mm, 31.8 Clamp, +30, 1 1/8", Alloy, Black
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 784718
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
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $44.95
BuyPART NUM 784718 
MSW 25 Stem - 100mm, 31.8 Clamp, +/-25, 1-1/8", Aluminum, Black BuyPART NUM 227208
MSW 25 degree stems raise the bar-literally-for what riders can expect from an unassuming stem. Available in lengths from 60-110mm for custom-fitting. … read more
your price $36.99 + ships free
BuyPART NUM 227208 
Whisky No.7 6d Stem 100mm +/- 6 degree 31.8 Black
BuyPART NUM 195534
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
10% offretail $42.00 Ends 10/8! $37.80 + ships free
BuyPART NUM 195534 
Ritchey Comp 4-Axis Stem - 100 mm, 31.8 Clamp, +/-6, 1 1/8", Alloy, Black BuyPART NUM 957409
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
BuyPART NUM 957409 
Cirrus Cycles Kinekt Suspension Stem - 100, 31.8 Clamp, +50, 1-1/8", Alloy, Black BuyPART NUM 710717
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 $189.95 + ships free
BuyPART NUM 710717 
Thomson X4 Mountain 31.8 100mm 100 Degrees Black 1-1/8" Threadless Stem
4 of 5
( 2 )
4 of 5 stars average
( 2 reviews )
BuyPART NUM 626800
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
4 of 5
( 2 )
4 of 5 stars average
( 2 reviews )
your price $114.95 + ships free
BuyPART NUM 626800 
Ritchey Comp 4Axis-44 Stem - 100mm, 31.8mm, +17/-17, 1 1/4", Alloy, Matte Black BuyPART NUM 460308
Ritchey Comp 4Axis-44 stems. Item Specifications Material: Alloy Stem Angle (deg): +17, -17 Bar Clamp Diameter (mm): 31.8 … read more
your price $59.95 + ships free
BuyPART NUM 460308 
Salsa Guide Trail Stem - 100mm, 31.8 clamp, +6, -6, 1 1/8", Aluminum, Silver BuyPART NUM 616695
The Guide Stem is lightweight, reliable, and provides excellent steering response on the road or trail. Bead-blasted, then anodized, finish … read more
10% offretail $45.00 Ends 10/8! $40.50 + ships free
BuyPART NUM 616695 
Ritchey Trail Stem - 100mm 31.8mm 0 Degree Alloy Black BuyPART NUM 531222
The Ritchey Trail Stem is the first Ritchey stem specifically designed for today's 5 to 6 inch travel trail bikes using wide bars. C220 with forward … read more
your price $44.95 + ships free
BuyPART NUM 531222 
MSW 17 Stem: 100mm 31.8 x 17d, 1-1/8, Black BuyPART NUM 826452
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
BuyPART NUM 826452 
FSA Omega Stem - 100mm, 31.8, +/-6, 28.6, Alloy, Black
BuyPART NUM 470362
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
BuyPART NUM 470362 
Origin8 Pro Fit Threadless Stem, 100 x 31.8, +/-6d, Black BuyPART NUM 218123
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
BuyPART NUM 218123 
Zipp Service Course Stem, 31.8mm x 100mm, 1-1/8', 6 degree, Silver BuyPART NUM 513714
Increased stiffness-to-weight ratio 6061 alloy Steel hardware Bead Blast black finish Item Specifications … read more
your price $56.00 + ships free
BuyPART NUM 513714 
"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."
"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.'
"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."
Thomson is leading with innovative design for two primary markets - aerospace and cycling.
"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."
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.
"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."
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
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