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90 deg Black 45 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.

We define color as the main color of the item. It may have accents or highlights in other colors.

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 20 products:

Ritchey Trail Stem - 45 mm, 31.8 Clamp, +/-0, 1 1/8", Alloy, Black
Ritchey Trail Stem - 45 mm, 31.8 Clamp, +/-0, 1 1/8", Alloy, BlackRitchey

The Ritchey Trail Stem is the first Ritchey stem specifically designed for today's 5 to 6 inch travel trail bikes using wide bars. C220 with forward … read more

Black31.8 mm45 mm28.690 degThreadless
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your price $49.95 + ships free

BuyBuyPART NUM 303891
Origin8 Flow 3D MTB Stem, 45x31.8x28.6 0d, Black
Origin8 Flow 3D MTB Stem, 45x31.8x28.6 0d, Black

3D forged AL6061-T6 alloy construction 40mm stack height 4 bolt front loading faceplate design ISO-Mountain safety certification … read more

Black31.8 mm45 mm28.690 degThreadless
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15% offretail $51.99 your price $44.19 + ships free

BuyBuyPART NUM 200739
Kalloy Uno Advanced Project Stem, 31.8 x 0d x 45mm Black
Kalloy Uno Advanced Project Stem, 31.8 x 0d x 45mm Black

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

Black31.8 mm45 mm28.690 degThreadless

your price $16.99

BuyBuyPART NUM 775099
Spank Spoon 350 Stem, 35 x 45mm, Black
Spank Spoon 350 Stem, 35 x 45mm, Black

Strong yet competitively lightweight alloy single crown stem for all disciplines 6-Series alloy is 3D forged and CNC optimized Unique … read more

Black35.0 mm45 mm28.690 degThreadless
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your price $59.99 + ships free

BuyBuyPART NUM 563710
Ritchey WCS Trail Stem: 45mm, +/- 0, 31.8, 1-1/8, Blatte
Ritchey WCS Trail Stem: 45mm, +/- 0, 31.8, 1-1/8, BlatteRitchey

Ritchey Stems 3D Forged 2014 alloy C220 with forward facing bolt design for easy installation 220 degree, extra-wide bar clamp improves … read more

Black31.8 mm45 mm28.690 degThreadless
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your price $99.95 + ships free

BuyBuyPART NUM 383693
Kalloy Uno M35 Stem, 35.0 x 0d x 45mm, Black
Kalloy Uno M35 Stem, 35.0 x 0d x 45mm, Black

Lightweight 3D forged 6061-T6 aluminum 4-bolt faceplate Opposing 2-bolt steerer clamp stack height = 40mm Item Specifications … read more

Black35.0 mm45 mm28.690 degThreadless

your price $17.99

BuyBuyPART NUM 296644
Box Hex Lab Mini Stem, 45mm x 28.6mm x 1", Black
Box Hex Lab Mini Stem, 45mm x 28.6mm x 1", Black

Based on the Box One Trail Mountain Stem, Hex Lab Mini Stems are 3D cold forged from 6061-T6 aluminum alloy, giving them an incredible strength … read more

Black28.6 mm45 mm25.490 degThreadless
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your price $69.99 + ships free

BuyBuyPART NUM 971293
Chromag Riza Stem, 45 x 28.6, 90 Degree, Black
Chromag Riza Stem, 45 x 28.6, 90 Degree, Black

M6 bolts Wide clamping area spreads load over large area 1 piece faceplate CNC machined in Whistler, Canada Faded edges … read more

Black31.8 mm45 mm28.690 degThreadless
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$13 offretail $135.00 your price $121.50 + ships free

BuyBuyPART NUM 170652
Chromag Riza Stem, 45 x 28.6, 90 Degree, Black
Chromag Riza Stem, 45 x 28.6, 90 Degree, Black

M6 bolts Wide clamping area spreads load over large area 1 piece faceplate CNC machined in Whistler, Canada Faded edges … read more

Black35.0 mm45 mm28.690 degThreadless
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$13 offretail $138.00 your price $124.20 + ships free

BuyBuyPART NUM 364954
Origin8 Flux OS MTB Stem, 45 x 35 x 28.6mm, Black
Origin8 Flux OS MTB Stem, 45 x 35 x 28.6mm, Black

Full CNC machined AL6061-T6 alloy construction Designed for use with oversized 35mm handlebars 35mm stack height 4-bolt front … read more

Black35.0 mm45 mm28.690 degThreadless
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15% offretail $82.99 your price $70.59 + ships free

BuyBuyPART NUM 284849
Origin8 Flow OS MTB Stem, 45 x 35 x 28.6, Black
Origin8 Flow OS MTB Stem, 45 x 35 x 28.6, Black

3D forged AL6061-T6 alloy construction Designed for use with oversized 35mm handlebars 40mm stack height 4-bolt front loading … read more

Black35.0 mm45 mm28.690 degThreadless
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15% offretail $51.99 your price $44.19 + ships free

BuyBuyPART NUM 703983
NS Bikes Quantum Lite Stem, 31.8 x 45mm, 0 Degrees, Black
NS Bikes Quantum Lite Stem, 31.8 x 45mm, 0 Degrees, Black

Lightweight, cold forged, CNC machined 6061-T6 aluminum Knee friendly steerer tube clamp design with 5mm tapered-head bolts. 140g Item … read more

Black31.8 mm45 mm28.690 degThreadless
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your price $84.99 + ships free

InfoInfo
Ritchey WCS Trail C-220 Stem (35mm) 0dx45, Matte Black
Ritchey WCS Trail C-220 Stem (35mm) 0dx45, Matte BlackRitchey

3D net forged 2014 aluminum body for 5-6" travel Trail bikes that use wider bars 220-degree bar clamp for greater clamping surface … read more

Black35.0 mm45 mm28.690 degThreadless
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your price $94.95 + ships free

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ProTaper Stem 35 x 45mm, 28.6, Stealth Black
ProTaper Stem 35 x 45mm, 28.6, Stealth Black

3D forged and machined 6061 alloy construction A2 stainless Torx bolts Item Specifications steerer dia.: 1-1/8" bar dia.: 35.0mm … read more

Black35.0 mm45 mm28.690 degThreadless
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Currently Sold Out

your price $119.99 + ships free

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ProTaper Stem 31.8 x 45mm, 28.6, Stealth Black
ProTaper Stem 31.8 x 45mm, 28.6, Stealth Black

3D forged and machined 6061 alloy construction A2 stainless Torx bolts Item Specifications steerer dia.: 1-1/8" bar dia.: 31.8mm … read more

Black31.8 mm45 mm28.690 degThreadless
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Currently Sold Out

your price $119.99 + ships free

InfoInfo
Spank Split 35 Stem - 45mm 35mm 0 Degree Alloy Black
Spank Split 35 Stem - 45mm 35mm 0 Degree Alloy Black

Highly weight optimized single crown stem, ideal for Enduro applications with 31.8mm handlebars Human Factor Design features micro increment size options … read more

Black31.8 mm45 mm28.690 degThreadless
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Currently Sold Out

your price $99.99 + ships free

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Tag Metals T1 Stem, 35 x 45mm, Black
Tag Metals T1 Stem, 35 x 45mm, Black

CNC machined 2014 aluminum body with 4-bolt bar clamp TAG speed adjust bar markings for quick and easy set up 166-222g including bolts … read more

Black35.0 mm45 mm28.690 degThreadless
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$18 offretail $109.99 your price $91.99 + ships free

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Tag Metals T1 Stem, 31.8 x 45mm, Black
Tag Metals T1 Stem, 31.8 x 45mm, Black

CNC machined 2014 aluminum body with 4-bolt bar clamp TAG speed adjust bar markings for quick and easy set up 166-222g including bolts … read more

Black31.8 mm45 mm28.690 degThreadless
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Currently Sold Out

$35 offretail $109.99 your price $74.99 + ships free

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Octane One Tone Stem, 35mm x 45mm, Black
Octane One Tone Stem, 35mm x 45mm, Black

3D forged 6061 aluminum, perfect for All Mountain and Trail riding 40mm steerer clamp height 138g (31.8mm) Item Specifications … read more

Black35.0 mm45 mm28.690 degThreadless
Currently Sold Out

your price $31.99

InfoInfo
Answer BMX Dual Length Pro Stem, 45mm and 52mm for 1-1/8" Steerer Tubes, Black
Answer BMX Dual Length Pro Stem, 45mm and 52mm for 1-1/8" Steerer Tubes, BlackAnswer

The Answer BMX Dual Length stem features a unique adjustable length steerer tube spacer that allows for two different reach options in one lightweight … read more

Black22.2 mm45 mm90 degThreadless
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retail $64.95 your price $64.65

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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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Answer

Answer BMX makes BMX racing components.

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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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