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80, 100 deg 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.

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Showing 18 products:

DMR Defy2 Stem, (31.8) 5d X 35mm - Black
DMR Defy2 Stem, (31.8) 5d X 35mm - Black

CNC machined 6061 aluminum stem, ideal for All Mountain and Trail use Internal steerer clamp with low stack height (31mm) Super wide … read more

4% offretail $69.99 your price $67.00

BuyBuyPART NUM 574548
Profile Design Hammer Stem 26.0
Profile Design Hammer Stem 26.0

Profile Design Hammer Road Stems are constructed of 3-D forged 6061-T6 aluminum and can be used at 80 or 100 degrees. 3-D forged 6061-T6 aluminum … read more

34% offretail $64.99 your price $42.99 + ships free

BuyBuyPART NUM 493455
DMR Defy2 Stem, (35.0) 5d X 35mm - Black
DMR Defy2 Stem, (35.0) 5d X 35mm - Black

CNC machined 6061 aluminum stem, ideal for All Mountain and Trail use Internal steerer clamp with low stack height (31mm) Super wide … read more

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

your price $69.99 + ships free

BuyBuyPART NUM 798177
DMR Defy2 Stem, (31.8) 5d X 50mm - Black
DMR Defy2 Stem, (31.8) 5d X 50mm - Black

CNC machined 6061 aluminum stem, ideal for All Mountain and Trail use Internal steerer clamp with low stack height (31mm) Super wide … read more

your price $69.99 + ships free

BuyBuyPART NUM 579856
Thomson Elite X4 Mountain Stem 80mm 100 Degrees 31.8 1-1/8 Threadless Silver
Thomson Elite X4 Mountain Stem 80mm 100 Degrees 31.8 1-1/8 Threadless SilverThomson

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 ( 1 ) 4 of 5 stars ( 1 review )

your price $114.95 + ships free

BuyBuyPART NUM 486000
DMR Defy2 Stem, (35.0) 5d X 50mm - Black
DMR Defy2 Stem, (35.0) 5d X 50mm - Black

CNC machined 6061 aluminum stem, ideal for All Mountain and Trail use Internal steerer clamp with low stack height (31mm) Super wide … read more

Currently Sold Out

retail $69.99 your price $69.00 + ships free

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Thomson X2 31.8 90mm 80/100 Degrees Black 1-1/8" Threadless Road Stem
Thomson X2 31.8 90mm 80/100 Degrees Black 1-1/8" Threadless Road StemThomson

Thomson X2 Road Stem features a new steer tube clamp assembly that is lighter than the Elite style. 31.8 bar clamp diameter with smooth edges for carbon … read more

Currently Sold Out

your price $114.95 + ships free

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Kalloy Uno Jump Stem, (31.8) 10d X 50mm Black
Kalloy Uno Jump Stem, (31.8) 10d X 50mm Black

2D forged aluminum stem 4-bolt windowed faceplate, 51mm tall steerer clamp. 200g Item Specifications steerer dia.: 1-1/8" bar dia.: … read more

Currently Sold Out

your price $14.99

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Thomson X2 31.8 70mm 80/100 Degrees Black 1-1/8" Threadless Road Stem
Thomson X2 31.8 70mm 80/100 Degrees Black 1-1/8" Threadless Road StemThomson

Thomson X2 Road Stem features a new steer tube clamp assembly that is lighter than the Elite style. 31.8 bar clamp diameter with smooth edges for carbon … read more

Currently Sold Out

your price $114.95 + ships free

InfoInfo
Thomson X2 31.8 100mm 80/100 Degrees Black 1-1/8" Threadless Road Stem
Thomson X2 31.8 100mm 80/100 Degrees Black 1-1/8" Threadless Road StemThomson

Thomson X2 Road Stem features a new steer tube clamp assembly that is lighter than the Elite style. 31.8 bar clamp diameter with smooth edges for carbon … read more

Currently Sold Out

your price $114.95 + ships free

InfoInfo
Thomson X2 31.8 90mm 80/100 Degrees Silver 1-1/8" Threadless Road Stem
Thomson X2 31.8 90mm 80/100 Degrees Silver 1-1/8" Threadless Road StemThomson

Thomson X2 Road Stem features a new steer tube clamp assembly that is lighter than the Elite style. 31.8 bar clamp diameter with smooth edges for carbon … read more

Currently Sold Out

your price $114.95 + ships free

InfoInfo
Vision Tech Size-More 31.8 70mm 80/100 Degree Black Stem
Vision Tech Size-More 31.8 70mm 80/100 Degree Black Stem

Vision Size-More Stems are constructed of forged and CNC-Machined 6061-T6 aluminum. Forged and CNC-Machined AL-6061-T6 2-bolt front clamp for easy … read more

Currently Sold Out

25% offretail $59.99 your price $44.99 + ships free

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Thomson Elite X4 Mountain Stem 80mm 100 Degrees 31.8 1-1/8 Threadless Black
Thomson Elite X4 Mountain Stem 80mm 100 Degrees 31.8 1-1/8 Threadless BlackThomson

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 ( 1 ) 4 of 5 stars ( 1 review )
Currently Sold Out

your price $114.95 + ships free

InfoInfo
Thomson X2 31.8 70mm 80/100 Degrees Silver 1-1/8" Threadless Road Stem
Thomson X2 31.8 70mm 80/100 Degrees Silver 1-1/8" Threadless Road StemThomson

Thomson X2 Road Stem features a new steer tube clamp assembly that is lighter than the Elite style. 31.8 bar clamp diameter with smooth edges for carbon … read more

Currently Sold Out

your price $114.95 + ships free

InfoInfo
Easton EC90 SL 120mm 31.8 +/- 10 degree Carbon Stem
Easton EC90 SL 120mm 31.8 +/- 10 degree Carbon Stem

Easton didn't set out to make the lightest stem in the world. No, they wanted to make the lightest stem in the world that could withstand years of rigorous … read more

Currently Sold Out

$37 offretail $249.99 your price $212.49 + ships free

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3T Integra LTD Stem 120mm
3T Integra LTD Stem 120mm

3T Integra LTD Stems Houses and protects Garmin Edge head units Clamp bolts are concealed by a shroud The shroud, at the nose of the stem, is easily … read more

Currently Sold Out

your price $349.99 + ships free

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Easton EA90 31.8 Stem +/- 10 degree 80mm
Easton EA90 31.8 Stem +/- 10 degree 80mm

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

15% offretail $94.99 your price $80.74 + ships free

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Easton EA90 31.8 Stem +/- 10 degree 100mm
Easton EA90 31.8 Stem +/- 10 degree 100mm

Easton's lightest aluminum stem is the choice of road racers and top XC pilots alike. Top Lock Faceplate provides secure and safe connection to … read more

Currently Sold Out

15% offretail $94.99 your price $80.74 + ships free

InfoInfo
Thomson

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

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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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