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30- mm Bicycle Stems

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.

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Showing 16 products:

Industry Nine A318 Stem, (31.8) 30mm - Black
Industry Nine A318 Stem, (31.8) 30mm - BlackIndustry Nine

7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more

your price $145.00 + ships free

BuyBuyPART NUM 548212
Industry Nine A318 Stem, (31.8) 30mm - Blue
Industry Nine A318 Stem, (31.8) 30mm - BlueIndustry Nine

7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more

your price $145.00 + ships free

BuyBuyPART NUM 125089
Industry Nine A318 Stem, (31.8) 30mm - Silver
Industry Nine A318 Stem, (31.8) 30mm - SilverIndustry Nine

7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more

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your price $145.00 + ships free

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Industry Nine A318 Stem, (31.8) 30mm - Lime
Industry Nine A318 Stem, (31.8) 30mm - LimeIndustry Nine

7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more

your price $145.00 + ships free

BuyBuyPART NUM 982450
Industry Nine A318 Stem, (31.8) 30mm - Gold
Industry Nine A318 Stem, (31.8) 30mm - GoldIndustry Nine

7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more

your price $145.00 + ships free

BuyBuyPART NUM 286208
Industry Nine A318 Stem, (31.8) 30mm - Red
Industry Nine A318 Stem, (31.8) 30mm - RedIndustry Nine

7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more

your price $145.00 + ships free

BuyBuyPART NUM 364346
Industry Nine A318 Stem, (31.8) 30mm - Purple
Industry Nine A318 Stem, (31.8) 30mm - PurpleIndustry Nine

7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more

your price $145.00 + ships free

BuyBuyPART NUM 555514
Industry Nine A318 Stem, (31.8) 30mm - Turquoise
Industry Nine A318 Stem, (31.8) 30mm - TurquoiseIndustry Nine

7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more

your price $145.00 + ships free

BuyBuyPART NUM 677527
Industry Nine, A318, Stem, Diameter: 31.8mm, Length: 30mm, Steerer: 1-1/8", 8 degree, Green
Industry Nine, A318, Stem, Diameter: 31.8mm, Length: 30mm, Steerer: 1-1/8", 8 degree, GreenIndustry Nine

Crafted from domestically-sourced 7075 aluminum billet 180 degrees of handlebar contact on the stem body for twist-free security that will … read more

your price $155.00 + ships free

BuyBuyPART NUM 129438
Industry Nine A318, Stem Diameter, 1-1/8", 31.8 x 30mm, 8 degree, Black
Industry Nine A318, Stem Diameter, 1-1/8", 31.8 x 30mm, 8 degree, BlackIndustry Nine

Crafted from domestically-sourced 7075 aluminum billet 180 degrees of handlebar contact on the stem body for twist-free security that will … read more

your price $155.00 + ships free

BuyBuyPART NUM 498875
Industry Nine A318 Stem, (31.8) 30mm - Pink
Industry Nine A318 Stem, (31.8) 30mm - PinkIndustry Nine

7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina\n 180 degree clamp wrap with high strength 316 stainless … read more

your price $155.00 + ships free

BuyBuyPART NUM 311118
Industry Nine A318 Stem, (31.8) 30mm - Orange
Industry Nine A318 Stem, (31.8) 30mm - OrangeIndustry Nine

7075 domestically sourced aluminum is machined, anodized and assembled in North Carolina 180 degree clamp wrap with high strength 316 stainless … read more

your price $145.00 + ships free

BuyBuyPART NUM 871980
Gusset S2 AM Stem, 31.8 x 30mm, 1-1/8", Black
Gusset S2 AM Stem, 31.8 x 30mm, 1-1/8", Black

BTI Part Number: GU-6526 Vendor Part Number: ASGU2A23K Steerer Diameter: 1-1/8" Bar Diameter: 31.8 Rise: 0 Degrees … read more

Currently Sold Out

your price $99.00 + ships free

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Deity Micro Direct Mount Stem 30mm, (31.8) - Red
Deity Micro Direct Mount Stem 30mm, (31.8) - Red

CNC machined from hard high grade 7075 T73 aluminum offering a compact 30mm length and 10mm rise for the current crop of long downhill frames … read more

Currently Sold Out

your price $104.00 + ships free

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Deity Micro Direct Mount Stem 30mm (31.8) - Blue
Deity Micro Direct Mount Stem 30mm (31.8) - Blue

CNC machined from hard high grade 7075 T73 aluminum offering a compact 30mm length and 10mm rise for the current crop of long downhill frames … read more

Currently Sold Out

your price $104.00 + ships free

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ProTaper Trail Stem, 31.8 x 30mm, Limited Edition Polished
ProTaper Trail Stem, 31.8 x 30mm, Limited Edition Polished

The ProTaper stem may look simple, but under that beautiful veneer lies hours of 3D modelling, countless FEA revisions, and tons of real-world … read more

Currently Sold Out

5% offretail $104.99 your price $99.99 + ships free

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Industry Nine

"Industry Nine hubs are handmade in Asheville, NC"

See all Industry Nine

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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