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0 deg 31.8 mm Bicycle Stems

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.

Bar clamp diameter is the diamater of the handlebar.

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Showing 18 products:

Paul Components Boxcar Stem, 31.8 x 35mm, 0 Degrees, Black
Paul Components Boxcar Stem, 31.8 x 35mm, 0 Degrees, Black

The perfect combination of stiffness, strength and reasonable weight Made with US sourced 2024 aircraft alloy All screws are high strength … read more

StarStarStarStarStar 5 of 5 ( 1 ) 5 of 5 stars ( 1 review )

your price $147.50 + ships free

BuyBuyPART NUM 970384
Kalloy Uno Advanced Project Stem, 31.8 x 0d x 55mm, Black
Kalloy Uno Advanced Project Stem, 31.8 x 0d x 55mm, Black

Lightweight 3D forged 6061-T6 aluminum 4-bolt faceplate Opposing 2-bolt steerer clamp stack height = 40mm 125g (45mm) … read more

StarStarStarStarStar 4 of 5 ( 1 ) 4 of 5 stars ( 1 review )

your price $16.99

BuyBuyPART NUM 651925
Spank Spoon 318 Stem - 33mm, 31.8 Clamp, +/-0, Blue
Spank Spoon 318 Stem - 33mm, 31.8 Clamp, +/-0, Blue

Spank Spoon Stems feature unique style, modern geometry, and rock-solid construction, without the heavy price tag suitable for all disciplines. … read more

your price $59.99 + ships free

BuyBuyPART NUM 958955
Paul Components Boxcar Stem, (31.8) 0d X 35mm - Purple
Paul Components Boxcar Stem, (31.8) 0d X 35mm - Purple

The perfect combination of stiffness and strength at a reasonable weight Made with US sourced 2024 aircraft alloy All screws are high … read more

your price $147.50 + ships free

BuyBuyPART NUM 470670
Easton EA90 Stem - 100mm, 31.8mm Clamp, +/-0, Black
Easton EA90 Stem - 100mm, 31.8mm Clamp, +/-0, Black

Easton's lightest aluminum stem is the choice of road racers and top XC pilots alike. 3D Forged EA90 Alloy Top Lock Faceplate provides secure … read more

your price $99.99 + ships free

BuyBuyPART NUM 123708
Easton EA90 Stem - 80mm, 31.8mm Clamp, +/-0, Black
Easton EA90 Stem - 80mm, 31.8mm Clamp, +/-0, Black

Easton's lightest aluminum stem is the choice of road racers and top XC pilots alike. 3D Forged EA90 Alloy Top Lock Faceplate provides secure … read more

your price $99.99 + ships free

BuyBuyPART NUM 823469
Easton EA90 Stem - 70mm, 31.8mm Clamp, +/-0, Black
Easton EA90 Stem - 70mm, 31.8mm Clamp, +/-0, Black

Easton's lightest aluminum stem is the choice of road racers and top XC pilots alike. 3D Forged EA90 Alloy Top Lock Faceplate provides secure … read more

Currently Sold Out

your price $99.99 + ships free

InfoInfo
Spank Spoon 318 Stem - 33mm, 31.8 Clamp, +/-0, Green
Spank Spoon 318 Stem - 33mm, 31.8 Clamp, +/-0, Green

Spank Spoon Stems feature unique style, modern geometry, and rock-solid construction, without the heavy price tag suitable for all disciplines. … read more

your price $59.99 + ships free

BuyBuyPART NUM 149790
EVO, Caliber, Stem, Diameter: 31.8mm, Length: 45mm, Steerer: 28.6mm, 0 degree, Black
EVO, Caliber, Stem, Diameter: 31.8mm, Length: 45mm, Steerer: 28.6mm, 0 degree, Black

3D forged alloy construction Fits 1-1/8 (28.6mm) steerer forks Fits 31.8mm handlebar clamp Heat treated hardware Item … read more

your price $39.99 + ships free

BuyBuyPART NUM 721298
EVO, Caliber, Stem, Diameter: 31.8mm, Length: 60mm, Steerer: 28.6mm, 0 degree, Black
EVO, Caliber, Stem, Diameter: 31.8mm, Length: 60mm, Steerer: 28.6mm, 0 degree, Black

3D forged alloy construction Fits 1-1/8 (28.6mm) steerer forks Fits 31.8mm handlebar clamp Heat treated hardware Item … read more

your price $39.99 + ships free

BuyBuyPART NUM 986181
Spank Spoon 2 Stem, (31.8) 0dx40mm - Red
Spank Spoon 2 Stem, (31.8) 0dx40mm - Red

Strong yet competitively lightweight alloy stem for all disciplines Unique style, modern geometry and rock-solid construction Chamfered … read more

your price $45.99

BuyBuyPART NUM 350496
Ritchey Comp Trail Stem (35) 0dx65, Black
Ritchey Comp Trail Stem (35) 0dx65, BlackRitchey

Extra-wide 41mm wide bar clamp improves stiffness and fits most riser bars 3D forged 6061 alloy 42mm steerer height 142g (90mm) … read more

your price $59.95 + ships free

BuyBuyPART NUM 846305
Ritchey Comp Trail Stem (35) 0dx55, Black
Ritchey Comp Trail Stem (35) 0dx55, BlackRitchey

Extra-wide 41mm wide bar clamp improves stiffness and fits most riser bars 3D forged 6061 alloy 42mm steerer height 142g (90mm) … read more

your price $59.95 + ships free

BuyBuyPART NUM 594278
Paul Components Boxcar Stem, (31.8) 0d X 50mm - Purple
Paul Components Boxcar Stem, (31.8) 0d X 50mm - Purple

The perfect combination of stiffness and strength at a reasonable weight Made with US sourced 2024 aircraft alloy All screws are high … read more

Currently Sold Out

your price $147.50 + ships free

InfoInfo
Paul Components Boxcar Stem, (31.8) 0d X 35mm - Blue
Paul Components Boxcar Stem, (31.8) 0d X 35mm - Blue

The perfect combination of stiffness and strength at a reasonable weight Made with US sourced 2024 aircraft alloy All screws are high … read more

Currently Sold Out

your price $147.50 + ships free

InfoInfo
Easton EA90 Stem - 120mm, 31.8mm Clamp, +/-0, Black
Easton EA90 Stem - 120mm, 31.8mm Clamp, +/-0, Black

Easton's lightest aluminum stem is the choice of road racers and top XC pilots alike. 3D Forged EA90 Alloy Top Lock Faceplate provides secure … read more

Currently Sold Out

your price $99.99 + ships free

InfoInfo
Easton EA90 Stem - 110mm, 31.8mm Clamp, +/-0, Black
Easton EA90 Stem - 110mm, 31.8mm Clamp, +/-0, Black

Easton's lightest aluminum stem is the choice of road racers and top XC pilots alike. 3D Forged EA90 Alloy Top Lock Faceplate provides secure … read more

Currently Sold Out

your price $99.99 + ships free

InfoInfo
DEITY Cavity Stem - 35mm, 31.8 Clamp, +/-0, 1 1/8", Purple
DEITY Cavity Stem - 35mm, 31.8 Clamp, +/-0, 1 1/8", Purple

The Cavity stem was developed with pain staking focus on strength, function and attention to detail. Tapered body for cleaner lines and weight reduction … read more

your price $94.99 + ships free

BuyBuyPART NUM 604734
Ritchey

"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.'

See all Ritchey

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.

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