40- mm Threadless 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.
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Showing 97 products:
Industry Nine A35 Stem, 35 x 40mm, +/-8d, Gold
BuyPART NUM 952467
7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more
In Store
Ships Freeyour price $145.00 + ships free
BuyPART NUM 952467 
Truvativ Descendant 35mm Clamp Stem 0mm Rise 40mm Length for 1-1/8" Steerer Black BuyPART NUM 429586
Built strong to take on the world's toughest trails, Descendant stems keep you pointed in the right direction. Item Specifications Bar … read more
8% offretail $65.00 your price $59.99 + ships free
BuyPART NUM 429586 
E*thirteen Base 35 Stem, 35 x 40mm, Black BuyPART NUM 457827
A 35mm clamp is ideal strength to weight ratio, integrated T25 hardware with rounded heads prevents injury Item Specifications steerer … read more
your price $49.95 + ships free
BuyPART NUM 457827 
Renthal Apex 35 Stem: 35mm Clamp, 1-1/8" Steerer, 40mm Length, +/- 6 degree, Black/Gold
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 638633
Combining All Mountain strength, Enduro stiffness and XC weight savings, this stem is ideal for any type of riding style. The unique 240 degree, two-piece … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
popular$9 offretail $140.45 your price $130.95 + ships free
BuyPART NUM 638633 
Salsa Guide Trail Stem- 40mm, 31.8 Clamp, 0 Degree, 1 1/8", Aluminum, Black
BuyPART NUM 139349
The Guide Trail Stem translates your handlebar input into precise trail movements. It's an ideal choice for modern trail bikes that have a long front … read more
your price $45.00 + ships free
BuyPART NUM 139349 
Anvl Swage Stem, 35 x 40mm, Copper 
Info
Aggressive All Mountain stem is 100% CNC machined 6061-T6 aluminum Extremely strong and lightweight, designed to flow perfectly with today's … read more
your price $109.99 + ships free
Info 
Industry Nine A35 Stem - 40mm 35mm +/- 8 Degree Aluminum Black BuyPART NUM 324697
Taking name and shape from the A-axis in I9's five-axis machining centers, the A35 is an all-mountain stem utilizing a 35mm bar diameter and demonstrating … read more
your price $145.00 + ships free
BuyPART NUM 324697 
Whisky No.7 MTN Stem 40mm 31.8 0 Degree Black
BuyPART NUM 601487
No.7 Mountain stems offer a stout connection for modern mountain bars. They match the simple aesthetic of other Whisky cockpit components. 3D-forged … read more
Lowest Priceyour price $48.00 + ships free
BuyPART NUM 601487 
Race Face Turbine-R Stem, (35.0) 0d X 40mm - Black BuyPART NUM 150928
Rebranded Easton Haven stem, CNC machined aluminum with laser etched logos 4-bolt face plate, opposing 2-bolt steerer clamp. 138g (50mm) … read more
your price $109.99 + ships free
BuyPART NUM 150928 
Reverse Base Stem, 25.4 x 40mm, Black BuyPART NUM 354447
Stable, light and shapely CNC machined 6061-T6 aluminum for All Mountain, Enduro and Slopestyle 145g (25.4mm) Item Specifications … read more
18% offretail $64.99 your price $53.49
BuyPART NUM 354447 
Renthal Apex Stem: 31.8, 1-1/8, 40mm Reach, +/- 6 degree
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 324497
Renthal Apex Stems. The Renthal Apex combines All Mountain strength, Enduro stiffness and XC lightweight that makes this stem the perfect choice for any … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $140.45 + ships free
BuyPART NUM 324497 
Spank Spoon 2 Stem - 40mm 31.8mm 0 Degree Alloy Black BuyPART NUM 664729
Unique style, modern geometry, and rock solid construction, without the heavy price tag. Spank's Spoon Stem is 2D Forged and CNC optimized for strength … read more
your price $45.99 + ships free
BuyPART NUM 664729 
Thomson Elite X4 Mountain Stem 40mm +/- 0 degree 31.8 1-1/8" Threadless 
4 of 5
( 2 )
4 of 5 stars average
( 2 reviews )
BuyPART NUM 751094
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 751094 
Thomson Elite X4 Mountain Stem 40mm +/- 0 degree 31.8 1-1/8 Threadless
4 of 5
( 2 )
4 of 5 stars average
( 2 reviews )
BuyPART NUM 332850
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 332850 
Race Face Aeffect-R Stem, (35.0) 0d X 40mm Black
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 327762
Forged and machined 6061 aluminum 4-bolt face plate, opposing 2-bolt steerer clamp Item Specifications steerer dia.: 1-1/8" bar … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $64.99 + ships free
BuyPART NUM 327762 
Industry Nine A35 Stem, 35mm x 40mm, Silver BuyPART NUM 114601
7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more
your price $145.00 + ships free
BuyPART NUM 114601 
Industry Nine A318 Stem - 40mm, 31.8mm Clamp, +/-4.4, 1 1/8", Aluminum, Green BuyPART NUM 320357
Industry Nine's A-Series mountain bike stems are crafted from domestically-sourced 7075 aluminum billet into a svelte design achieving a nexus of form … read more
your price $155.00 + ships free
BuyPART NUM 320357 
Industry Nine A318 Stem, (31.8) 40mm - Gold BuyPART NUM 623590
7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more
your price $145.00 + ships free
BuyPART NUM 623590 
Industry Nine A318 Stem, (31.8) 40mm - Blue BuyPART NUM 792048
7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more
your price $145.00 + ships free
BuyPART NUM 792048 
Renthal Duo Stem: 40mm 10 Degree 31.8mm 1-1/8" Black / Gold
4 of 5
( 2 )
4 of 5 stars average
( 2 reviews )
BuyPART NUM 741150
Made in Cheshire, UK CNC machined from 6082 T6 aluminium alloy Split stem design for maximum weight reduction U-shape cradle clamp eliminates handlebar … read more
4 of 5
( 2 )
4 of 5 stars average
( 2 reviews )
your price $132.95 + ships free
BuyPART NUM 741150 
"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."
Thomson is leading with innovative design for two primary markets - aerospace and cycling.
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.
"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.'
"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."
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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