28.6 40 mm Bicycle Stems
S.H.I.S clamp diameter is the steerer tube diameter.
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 92 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
Industry Nine SA35GG40
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 
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 
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 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 )
$9 offretail $140.45 your price $130.95 + ships free
BuyPART NUM 638633 
TruVativ Hussefelt Stem 40mm 0deg 31.8 1-1/8 Black
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 251355
TruVativ Hussefelt Mountain Stems feature forged 6061-T6 aluminum construction. Forged AL-6061-T6 construction Height = 50mm, 315 grams for 60mm … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
26% offretail $43.00 your price $31.99
BuyPART NUM 251355 
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 
Anvl Swage Stem, 35 x 40mm, Copper BuyPART NUM 409251
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
BuyPART NUM 409251 
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 
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 
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 
Salsa Guide Trail Stem- 40mm, 35.0 Clamp, 0 Degree, 1 1/8", Aluminum, Black BuyPART NUM 539804
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 539804 
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 
Truvativ ATMOS 7K Stem, 31.8 x 40mm, 1-1/8", +/-6d, Black BuyPART NUM 355310
Lightweight, performance stem designed for trail and cross-country use All fasteners are adjustable via a T25 tool for easy,quick adjustments … read more
your price $75.00 + ships free
BuyPART NUM 355310 
Industry Nine A318 Stem, (31.8) 40mm - Silver BuyPART NUM 171546
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 171546 
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
BuyPART NUM 320357 
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 
Anvl Swage Stem, 35mm x 40mm, Black BuyPART NUM 804058
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
BuyPART NUM 804058 
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 
"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.
"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.
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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