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31.8 mm 40 mm Silver 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.

We define color as the main color of the item. It may have accents or highlights in other colors.

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Showing 4 products:

Thomson Elite X4 Mountain Stem 40mm +/- 0 degree 31.8 1-1/8 Threadless
Thomson Elite X4 Mountain Stem 40mm +/- 0 degree 31.8 1-1/8 Threadless Thomson

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

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 332850
ProTaper Trail Stem, 31.8 x 40mm, Limited Edition Polished
ProTaper Trail Stem, 31.8 x 40mm, Limited Edition Polished

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

BuyBuyPART NUM 456171
Industry Nine A318 Stem, (31.8) 40mm - Silver
Industry Nine A318 Stem, (31.8) 40mm - SilverIndustry Nine

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

BuyBuyPART NUM 171546
Chromag Ranger V2 Stem, 40mm x 31.8mm, Silver
Chromag Ranger V2 Stem, 40mm x 31.8mm, Silver

Blended body features increase performance and give a more fluid look Light yet extremely stiff for positive control at the front end … read more

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your price $125.00 + ships free

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Thomson

Thomson is leading with innovative design for two primary markets - aerospace and cycling.

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Industry Nine

"Industry Nine hubs are handmade in Asheville, NC"

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We define color as the main color of the item. It may have accents or highlights in other colors.

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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