31.8 mm 40 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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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.
Showing 48 products:
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
10% offretail $45.00 Ends 10/8! $40.50 + ships free
TruVativ Hussefelt Mountain Stems feature forged 6061-T6 aluminum construction. Forged AL-6061-T6 construction Height = 50mm, 315 grams for 60mm … read more
26% offretail $43.00 your price $31.99
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
10% offretail $48.00 Ends 10/8! $43.20 + ships free
Strong yet competitively lightweight alloy stem for all disciplines Unique style, modern geometry and rock-solid construction Chamfered … read more
your price $45.99 + ships free
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
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
your price $114.95 + ships free
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
your price $140.45 + ships free
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
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
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
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
your price $114.95 + ships free
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
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
your price $132.95 + ships free
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
The ProTaper stem may look simple, but under that beautiful veneer lies hours of 3D modelling, countless FEA revisions, and tons of real-world … read more
your price $104.99 + ships free
TruVativ Hussefelt Mountain Stems feature forged 6061-T6 aluminum construction. Forged AL-6061-T6 construction Height = 50mm, 315 grams for 60mm … read more
5% offretail $38.00 your price $35.99 + ships free
Stable, light and shapely CNC machined 6061-T6 aluminum for All Mountain, Enduro and Slopestyle 145g (25.4mm) Item Specifications … read more
34% offretail $64.99 your price $42.99
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 $155.00 + ships free
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
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
"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 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.
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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