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Threadless 31.8 mm 73, 107 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 66 products:

MSW 17 Stem: 110mm 31.8 x 17d, 1-1/8, Black
MSW 17 Stem: 110mm 31.8 x 17d, 1-1/8, Black

MSW 17 degree stems raise the bar--literally--for what riders can expect from an inexpensive stem. Available in lengths from 60-120mm for custom-fitting. … read more

your price $36.99 + ships free

BuyBuyPART NUM 729879
Ritchey Comp 4Axis-44 Stem - 60mm, 31.8mm, +17/-17, 1 1/4", Alloy, Matte Black
Ritchey Comp 4Axis-44 Stem - 60mm, 31.8mm, +17/-17, 1 1/4", Alloy, Matte BlackRitchey

Ritchey Comp 4Axis-44 stems. Item Specifications Material: Alloy Stem Angle (deg): +17, -17 Color: Matte Black Length: … read more

your price $59.95 + ships free

BuyBuyPART NUM 246683
Origin8 3D Pro Fit Stem, 100 x 31.8mm, +/-17d, Black
Origin8 3D Pro Fit Stem, 100 x 31.8mm, +/-17d, Black

Available in a variety of lengths, angles, and bar bores for the perfect fit Road or Mountain compatible 3D forged AL6061-T6 alloy … read more

15% offretail $41.99 your price $35.69 + ships free

BuyBuyPART NUM 744041
FSA V-Drive MTB Stem, 60mm, +/-17, 31.8, Black
FSA V-Drive MTB Stem, 60mm, +/-17, 31.8, BlackFull Speed Ahead

3D forged and CNC machined AL6061/T6 4-bolt cold-forged alloy faceplate Chromoly hardware 40mm fork clamp stack height … read more

your price $37.00 + ships free

BuyBuyPART NUM 958238
Easton EA50 Stem - 90mm, 31.8mm, +/- 17 Degree, Alloy, Black
Easton EA50 Stem - 90mm, 31.8mm, +/- 17 Degree, Alloy, Black

Easton delivers quality and sound engineering all the way down to this family of entry-level stems. Top Lock Faceplate provides secure and safe … read more

your price $44.99 + ships free

BuyBuyPART NUM 488189
MSW 17 Stem: 80mm 31.8 x 17d, 1-1/8, Black
MSW 17 Stem: 80mm 31.8 x 17d, 1-1/8, Black

MSW 17 degree stems raise the bar--literally--for what riders can expect from an inexpensive stem. Available in lengths from 60-120mm for custom-fitting. … read more

your price $36.99 + ships free

BuyBuyPART NUM 482740
MSW 17 Stem - 100mm, 31.8 Clamp, +/-17, 1 1/8", Aluminum, Silver
MSW 17 Stem - 100mm, 31.8 Clamp, +/-17, 1 1/8", Aluminum, Silver

MSW 17 degree stems raise the bar--literally--for what riders can expect from an inexpensive stem. Available in lengths from 60-120mm for custom-fitting. … read more

your price $36.99 + ships free

BuyBuyPART NUM 523519
MSW 17 Stem: 90mm 31.8 x 17d, 1-1/8, Black
MSW 17 Stem: 90mm 31.8 x 17d, 1-1/8, Black

MSW 17 degree stems raise the bar--literally--for what riders can expect from an inexpensive stem. Available in lengths from 60-120mm for custom-fitting. … read more

your price $36.99 + ships free

BuyBuyPART NUM 220348
Easton EA50 Stem - 110mm, 31.8mm, +/- 17 Degree, Alloy, Black
Easton EA50 Stem - 110mm, 31.8mm, +/- 17 Degree, Alloy, Black

Easton delivers quality and sound engineering all the way down to this family of entry-level stems. Top Lock Faceplate provides secure and safe … read more

your price $44.99 + ships free

BuyBuyPART NUM 238758
Ritchey WCS C220 73D Stem: 120mm, +/- 17, 31.8, 1-1/8, Blatte
Ritchey WCS C220 73D Stem: 120mm, +/- 17, 31.8, 1-1/8, BlatteRitchey

Coated chromoly hardware 3D forged 2014 alloy C220 with forward facing bolt design for easy installation Item Specifications … read more

your price $109.95 + ships free

BuyBuyPART NUM 675598
MSW 17 Stem: 60mm 31.8 x 17d, 1-1/8, Black
MSW 17 Stem: 60mm 31.8 x 17d, 1-1/8, Black

MSW 17 degree stems raise the bar--literally--for what riders can expect from an inexpensive stem. Available in lengths from 60-120mm for custom-fitting. … read more

your price $36.99 + ships free

BuyBuyPART NUM 966804
MSW 17 Stem - 110mm, 31.8 Clamp, +/-17, 1 1/8", Aluminum, Silver
MSW 17 Stem - 110mm, 31.8 Clamp, +/-17, 1 1/8", Aluminum, Silver

MSW 17 degree stems raise the bar--literally--for what riders can expect from an inexpensive stem. Available in lengths from 60-120mm for custom-fitting. … read more

your price $36.99 + ships free

BuyBuyPART NUM 382847
Ritchey WCS C-220 Stem, (31.8) 73dx70 Matte Black
Ritchey WCS C-220 Stem, (31.8) 73dx70 Matte BlackRitchey

Patented 220-degree 4-bolt bar clamp reduces weight, increases stiffness and distributes stress more evenly 3-D net forged and internally … read more

your price $109.95 + ships free

BuyBuyPART NUM 488928
Ritchey Comp 4Axis-44 Stem - 100mm, 31.8mm, +17/-17, 1 1/4", Alloy, Matte Black
Ritchey Comp 4Axis-44 Stem - 100mm, 31.8mm, +17/-17, 1 1/4", Alloy, Matte BlackRitchey

Ritchey Comp 4Axis-44 stems. Item Specifications Material: Alloy Stem Angle (deg): +17, -17 Bar Clamp Diameter (mm): 31.8 … read more

your price $59.95 + ships free

BuyBuyPART NUM 460308
Origin8 3D Pro Fit Stem, 70 x 31.8mm, +/-17d, Black
Origin8 3D Pro Fit Stem, 70 x 31.8mm, +/-17d, Black

Available in a variety of lengths, angles, and bar bores for the perfect fit Road or Mountain compatible 3D forged AL6061-T6 alloy … read more

15% offretail $41.99 your price $35.69 + ships free

BuyBuyPART NUM 776773
Ritchey Comp 4Axis-44 Stem - 130mm, 31.8mm, +17/-17, 1 1/4", Alloy, Matte Black
Ritchey Comp 4Axis-44 Stem - 130mm, 31.8mm, +17/-17, 1 1/4", Alloy, Matte BlackRitchey

Ritchey Comp 4Axis-44 stems. Item Specifications S.H.I.S. Stem Clamp Diameter: 31.8 Bar Clamp Diameter (mm): 31.8 Stem Angle … read more

your price $59.95 + ships free

BuyBuyPART NUM 459579
Ritchey Comp 4Axis-44 Stem - 80mm, 31.8mm, +17/-17, 1 1/4", Alloy, Matte Black
Ritchey Comp 4Axis-44 Stem - 80mm, 31.8mm, +17/-17, 1 1/4", Alloy, Matte BlackRitchey

Ritchey Comp 4Axis-44 stems. Item Specifications Length: 80 Color: Matte Black S.H.I.S. Stem Clamp Diameter: 31.8 Stem … read more

your price $59.95 + ships free

BuyBuyPART NUM 612648
MSW 17 Stem - 70mm, 31.8 Clamp, +/-17, 1 1/8", Aluminum, Silver
MSW 17 Stem - 70mm, 31.8 Clamp, +/-17, 1 1/8", Aluminum, Silver

MSW 17 degree stems raise the bar--literally--for what riders can expect from an inexpensive stem. Available in lengths from 60-120mm for custom-fitting. … read more

your price $36.99 + ships free

BuyBuyPART NUM 667861
MSW 17 Stem: 70mm 31.8 x 17d, 1-1/8, Black
MSW 17 Stem: 70mm 31.8 x 17d, 1-1/8, Black

MSW 17 degree stems raise the bar--literally--for what riders can expect from an inexpensive stem. Available in lengths from 60-120mm for custom-fitting. … read more

your price $36.99 + ships free

BuyBuyPART NUM 807810
Ritchey WCS C220 73D Stem - 130mm, 31.8mm, -17 Degree, Aluminum, Matte Black
Ritchey WCS C220 73D Stem - 130mm, 31.8mm, -17 Degree, Aluminum, Matte Black Ritchey

The WCS C220 stem is easy to install and remove thanks to a press-fit handlebar clamp interface and forward-facing hardware. Bolt forces are aligned … read more

StarStarStarStarStar 3 of 5 ( 1 ) 3 of 5 stars ( 1 review )

your price $109.95 + ships free

BuyBuyPART NUM 978858
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.'

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Full Speed Ahead

"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."

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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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