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31.8 mm 82, 98 deg Bicycle Stems

Bar clamp diameter is the diamater of the handlebar.

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.

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Showing 16 products:

Race Face Chester Stem: 50mm +/- 8 degree Black
Race Face Chester Stem: 50mm +/- 8 degree Black

Race Face Chester Stem: 50mm +/- 8 degree Black Item Specifications Color: Black Length: 50 Bar Clamp Diameter: 31.8 Stem Angle: +8 S.H.I.S. Stem … read more

your price $54.99 + ships free

BuyBuyPART NUM 790623
Race Face Chester Stem, (31.8) 8d X 70mm - Black
Race Face Chester Stem, (31.8) 8d X 70mm - Black

Forged, blasted 2014 aluminum, perfect for Downhill/Freeride/Dirt Jump use 4-bolt bar clamp with interlocking design to place load on stem … read more

your price $54.99 + ships free

BuyBuyPART NUM 655137
Cinelli Graphis Alloy Stem, 31.8 x 100mm, 82d, Black
Cinelli Graphis Alloy Stem, 31.8 x 100mm, 82d, Black

Hyperlight design for maximized strength-to-weight ratio 3D-forged and machined 7050-T6 aluminum with a 4-bolt 6061 alloy faceplate … read more

Currently Sold Out

your price $69.99

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Origin8 Pro Fit Alloy Ergo Stem, 70x31.8, 8d, Silver
Origin8 Pro Fit Alloy Ergo Stem, 70x31.8, 8d, Silver

3D forged AL6061-T6 alloy construction 4-bolt, 2-piece faceplate design Road or Mountain compatible ISO-Mountain safety certified … read more

Currently Sold Out

15% offretail $34.99 your price $29.75

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Origin8 Pro Fit Alloy Ergo Stem, 130x31.8, 8d, Black
Origin8 Pro Fit Alloy Ergo Stem, 130x31.8, 8d, Black

3D forged AL6061-T6 alloy construction 4-bolt, 2-piece faceplate design Road or Mountain compatible ISO-Mountain safety certified … read more

Currently Sold Out

15% offretail $34.99 your price $29.75

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Origin8 Pro Fit Alloy Ergo Stem, 110x31.8, 8d, Black
Origin8 Pro Fit Alloy Ergo Stem, 110x31.8, 8d, Black

3D forged AL6061-T6 alloy construction 4-bolt, 2-piece faceplate design Road or Mountain compatible ISO-Mountain safety certified … read more

Currently Sold Out

15% offretail $34.99 your price $29.75

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Origin8 Pro Fit Alloy Ergo Stem,100x31.8, 8d, Black
Origin8 Pro Fit Alloy Ergo Stem,100x31.8, 8d, Black

3D forged AL6061-T6 alloy construction 4-bolt, 2-piece faceplate design Road or Mountain compatible ISO-Mountain safety certified … read more

Currently Sold Out

15% offretail $34.99 your price $29.75

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Origin8 Pro Fit Alloy Ergo Stem, 80x31.8, 8d, Black
Origin8 Pro Fit Alloy Ergo Stem, 80x31.8, 8d, Black

3D forged AL6061-T6 alloy construction 4-bolt, 2-piece faceplate design Road or Mountain compatible ISO-Mountain safety certified … read more

Currently Sold Out

15% offretail $34.99 your price $29.75

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Tune Geiles Teil 4.0 Stem, 31.8 x 60mm, +/-8d, Black
Tune Geiles Teil 4.0 Stem, 31.8 x 60mm, +/-8d, Black

CNC machined, laser etched and anodized 7075 aluminum with TiAI6V4 titanium bolts Perfectly suited for carbon handlebars and steerer tubes … read more

Currently Sold Out

your price $219.99 + ships free

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Cinelli Graphis Alloy Stem, 31.8 x 110mm, 82d, Black
Cinelli Graphis Alloy Stem, 31.8 x 110mm, 82d, Black

Hyperlight design for maximized strength-to-weight ratio 3D-forged and machined 7050-T6 aluminum with a 4-bolt 6061 alloy faceplate … read more

Currently Sold Out

your price $69.99

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Tune Geiles Teil 4.0 Stem, 31.8 x 50mm, +/-8d, Black
Tune Geiles Teil 4.0 Stem, 31.8 x 50mm, +/-8d, Black

CNC machined, laser etched and anodized 7075 aluminum with TiAI6V4 titanium bolts Perfectly suited for carbon handlebars and steerer tubes … read more

Currently Sold Out

your price $219.99 + ships free

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Reverse Black One Stem, 31.8 x 50mm, +/-8d, Stealth Black
Reverse Black One Stem, 31.8 x 50mm, +/-8d, Stealth Black

CNC machined 6061-T6 aluminum for Enduro and Bike Park use Tested extensively at the EFBE laboratory in Germany, a pioneer in DIN 79100 test … read more

Currently Sold Out

your price $94.99 + ships free

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Origin8 Pro Fit Alloy Ergo Stem, 120x31.8, 8d, Black
Origin8 Pro Fit Alloy Ergo Stem, 120x31.8, 8d, Black

3D forged AL6061-T6 alloy construction 4-bolt, 2-piece faceplate design Road or Mountain compatible ISO-Mountain safety certified … read more

Currently Sold Out

15% offretail $34.99 your price $29.75

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Origin8 Pro Fit Alloy Ergo Stem, 90x31.8, 8d, Black
Origin8 Pro Fit Alloy Ergo Stem, 90x31.8, 8d, Black

3D forged AL6061-T6 alloy construction 4-bolt, 2-piece faceplate design Road or Mountain compatible ISO-Mountain safety certified … read more

Currently Sold Out

15% offretail $34.99 your price $29.75

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Deda Elementi / Tre Zero100 Performance Stem, (31.8) 90mm
Deda Elementi / Tre Zero100 Performance Stem, (31.8) 90mm

3D forged and machined 2024 aluminum construction Stainless steel hardware with removable, 4-bolt aluminum embossed faceplate Anodized … read more

Currently Sold Out

your price $55.99

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Deda ZeroNero Stem: 110mm; 82d; 31.7 Carbon-Aluminum; 31.7
Deda ZeroNero Stem: 110mm; 82d; 31.7 Carbon-Aluminum; 31.7

Deda Elementi ZeroNero stems, carbon fiber and alloy working together each doing that part of the job which it does best. Pure design for performance. … read more

Currently Sold Out

your price $220.00 + ships free

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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

This is the part number or identifier for this item from the manufacturer

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