31.8 mm Bicycle Stems
Bar clamp diameter is the diamater of the handlebar.
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Bar clamp diameter is the diamater of the handlebar.
Showing 1088 products:
CNC machined from 6082 T6 aluminium alloy U-shape cradle clamp eliminates handlebar stress risers found with traditional stems Made in Cheshire … read more
your price $132.95 + ships free
BuyPART NUM 235686Forged AL6061-T6 alloy construction 31.8mm clamp diameter 4-bolt faceplate 180mm long quill Matte finish with laser etched … read more
15% offretail $39.99 your price $33.99
BuyPART NUM 612721BTI Part Number: GU-6526 Vendor Part Number: ASGU2A23K Steerer Diameter: 1-1/8" Bar Diameter: 31.8 Rise: 0 Degrees … read more
your price $99.00 + ships free
BuyPART NUM 335355With its unique faceplate design, the Ritchey 4-Axis stem was a game-changer when it was first released many years ago. Today, the OE 4-Axis-44 stem … read more
your price $29.95
BuyPART NUM 819073With its unique faceplate design, the Ritchey 4-Axis stem was a game-changer when it was first released many years ago. Today, the OE 4-Axis-44 stem … read more
your price $29.95
BuyPART NUM 141134The WCS C220 stem is easy to install and remove thanks to a press-fit handlebar clamp interface and forward-facing hardware. Bolt forces are aligned … read more
your price $109.95 + ships free
BuyPART NUM 509818MSW 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 729879Promax Gent Stem Item Specifications Bar Clamp Diameter (mm): 31.8 Color: Black Length: 60 Material: Aluminum S.H.I.S. Stem Clamp Diameter: 28.6 … read more
your price $31.99 + ships free
BuyPART NUM 535439C220 with forward facing bolt design for easy installation Coated chromoly hardware Item Specifications Color: Silver Bar Clamp … read more
your price $79.95 + ships free
ChooseThomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more
your price $114.95 + ships free
BuyPART NUM 7244443D forged, CNC machined 6061 aluminum CrMo hardware. 4-bolt alloy faceplate. 2-bolt steerer clamp Two tone black graphics on ±12 deg … read more
your price $80.00 + ships free
BuyPART NUM 981412Even lighter than the Cavity stem Machined from 6061 T6 aluminum Short 30mm stack height and 55mm wide faceplate for increased stiffness … read more
your price $104.99 + ships free
BuyPART NUM 661200Traditional front loading style BMX stems with a 31.8mm clamp, compatible with MTB and oversized BMX handlebars Constructed from 6061-T6 … read more
your price $69.99 + ships free
BuyPART NUM 697072Adjustable 7050 alloy road stem 2-axis pivoting system for setting ideal rise and reach Item Specifications steerer dia.: 1-1/8" … read more
14% offretail $69.95 your price $59.99 + ships free
BuyPART NUM 6710002D forged MGR alloy is CNC weight optimized Chamfered bar clamps reduce stress risers in the critical bar/stem interface Shotpeen anodized … read more
your price $59.99
BuyPART NUM 278227The WCS C220 stem is easy to install and remove thanks to a press-fit handlebar clamp interface and forward-facing hardware. Bolt forces are aligned … read more
your price $109.95 + ships free
BuyPART NUM 3763773D forged and machined 6061 alloy construction A2 stainless Torx bolts Item Specifications steerer dia.: 1-1/8" bar dia.: 31.8mm … read more
your price $104.99 + ships free
BuyPART NUM 590926Ritchey 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
ChooseLightweight high rise 2D forged aluminum stem for comfort 4-bolt windowed faceplate, 40mm tall steerer clamp. Approximate weight: 160g … read more
your price $13.99
BuyPART NUM 801402Increased stiffness-to-weight ratio 6061 alloy Steel hardware Bead Blast black finish Item Specifications … read more
your price $56.00 + ships free
BuyPART NUM 195773"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.'
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.
"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."
"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."
"Industry Nine hubs are handmade in Asheville, NC"
"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."
"Every year bikes change, styles and trends evolve, old bikes are in need of repairs and new bikes are waiting for that personal touch. We provide the means to keep your bike on the road and fun to ride!"
Kind Shock is an industry leader in suspension and dropper seat posts.
"Strong. Light. Smart."
"Built for Race"
We define color as the main color of the item. It may have accents or highlights in other colors.
These products are one of our best sellers.
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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