Origin8 31.8 mm Bicycle Stems
Bar clamp diameter is the diamater of the handlebar.
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Showing 84 products:
Origin8 Everland MX/GX 40 degree Stem, 60x31.8, Black 
BuyPART NUM 687703
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
popular
Ships Free15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 687703 
Origin8 Throwdown MTB Stem, 35x31.8x28.6, Black BuyPART NUM 238226
Ideal for Trail, Enduro, and Downhill MTB applications 3D forged and CNC machined AL6061-T6 alloy construction Lightweight, extra-wide … read more
Origin8 B07BYG4HX815% offretail $52.99 your price $45.09 + ships free
BuyPART NUM 238226 
Origin8 Everland MX/GX 40 degree Stem, 130x31.8, Black BuyPART NUM 654374
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 654374 
Origin8 Pro-Fit MTB Quill Stem
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 612721
Forged AL6061-T6 alloy construction 31.8mm clamp diameter 4-bolt faceplate 180mm long quill Matte finish with laser etched … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
15% offretail $39.99 your price $33.99
BuyPART NUM 612721 
Origin8 Flow 3D MTB Stem, 35x31.8x28.6 0d, Black
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 354468
3D forged AL6061-T6 alloy construction 40mm stack height 4 bolt front loading faceplate design ISO-Mountain safety certification … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
15% offretail $51.99 your price $44.19 + ships free
BuyPART NUM 354468 
Origin8 Everland MX/GX 25 degree Stem, 80x31.8, Black BuyPART NUM 617684
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 617684 
Origin8 Everland MX/GX 40 degree Stem, 80x31.8, Black BuyPART NUM 474084
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 474084 
Origin8 Everland MX/GX 25 degree Stem, 90x31.8, Black BuyPART NUM 579939
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 579939 
Origin8 Everland MX/GX 40 degree Stem, 100x31.8, Black BuyPART NUM 175945
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 175945 
Origin8 3D Pro Fit Stem, 100 x 31.8mm, +/-17d, Black BuyPART NUM 744041
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
BuyPART NUM 744041 
Origin8 Everland MX/GX 40 degree Stem, 90x31.8, Black BuyPART NUM 506949
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 506949 
Origin8 Everland MX/GX 40 degree Stem, 70x31.8, Black
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 528736
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 528736 
Origin8 Everland MX/GX 40 degree Stem, 110x31.8, Black BuyPART NUM 168604
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 168604 
Origin8 3D Pro Fit Stem, 90 x 31.8mm, +/-17d, Silver BuyPART NUM 883433
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
One remaining at this price3% offretail $36.79 your price $35.69 + ships free
BuyPART NUM 883433 
Origin8 Everland MX/GX 25 degree Stem, 100x31.8, Black BuyPART NUM 347174
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 347174 
Origin8 Everland MX/GX 40 degree Stem, 120x31.8, Black BuyPART NUM 861450
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 861450 
Origin8 Everland MX/GX 25 degree Stem, 130x31.8, Black BuyPART NUM 115473
High angle stems ideal for Monstercross or Gravel bikes equipped with off-road drop bars Raises drop bars eliminating the need for excessive … read more
15% offretail $43.99 your price $37.39 + ships free
BuyPART NUM 115473 
Origin8 Pro-Fit MTB Quill Stem BuyPART NUM 831862
Forged AL6061-T6 alloy construction 31.8mm clamp diameter 4-bolt faceplate 180mm long quill Matte finish with laser etched … read more
15% offretail $39.99 your price $33.99
BuyPART NUM 831862 
Origin8 3D Pro Fit Stem, 70 x 31.8mm, +/-17d, Black BuyPART NUM 776773
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
BuyPART NUM 776773 
Origin8 Pro Fit Threadless Stem, 70 x 31.8, +/-6d, Silver BuyPART NUM 671030
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
3% offretail $36.79 your price $35.69 + ships free
BuyPART NUM 671030 
We define color as the main color of the item. It may have accents or highlights in other colors.
These products are one of our best sellers.
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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