Profile Design Bicycle Stems and Stem Parts

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Profile Design Boa Quill Mountain Stem: 90mm; 110degree; Silver; 1"; 25.4
Profile Design Boa Quill Mountain Stem: 90mm; 110degree; Silver; 1"; 25.4

Profile Design Boa Quill Stems AL-6061-T6 Weight: 185-277 grams Quill Insertion Diameter: 22.2 12mm range from minimum … read more

StarStarStarStarStar 4 of 5 ( 1 ) 4 of 5 stars ( 1 review )

your price $27.99 + ships free

BuyBuyPART NUM 868248
Profile Design Boa Quill Mountain Stem: 120mm; 130degree;  Silver; 1"; 25.4
Profile Design Boa Quill Mountain Stem: 120mm; 130degree; Silver; 1"; 25.4

Profile Design Boa Quill Stems AL-6061-T6 Weight: 185-277 grams Quill Insertion Diameter: 22.2 12mm range from minimum … read more

StarStarStarStarStar 4 of 5 ( 1 ) 4 of 5 stars ( 1 review )

your price $27.99 + ships free

BuyBuyPART NUM 949548
Profile Design H20 Road Quill Stem: 60mm; 105degree; Black; 1"; 26.0
Profile Design H20 Road Quill Stem: 60mm; 105degree; Black; 1"; 26.0

Profile Design H2O Quill Threaded Stems are constructed of 6061-T6 aluminum. 60mm range from minimum insertion to max insertion; 100mm from … read more

your price $44.99 + ships free

BuyBuyPART NUM 967560
Profile Design Aris Stem: 90MM; 65/115degree; Black; 1-1/8"; 31.8
Profile Design Aris Stem: 90MM; 65/115degree; Black; 1-1/8"; 31.8

Profile Design Aris Stems. Available for 26.0 & 31.8 3D forged 6061-T6 Aluminum Item Specifications Color: Black Intended Use: Road Steerer Tube: … read more

your price $47.49 + ships free

BuyBuyPART NUM 649406
Profile Design Boa Quill Mountain Stem: 75mm; 130degree;  Silver; 1-1/8"; 25.4
Profile Design Boa Quill Mountain Stem: 75mm; 130degree; Silver; 1-1/8"; 25.4

Profile Design Boa Quill Stems AL-6061-T6 Weight: 185-277 grams Quill Insertion Diameter: 25.4 24mm range from minimum … read more

StarStarStarStarStar 4 of 5 ( 1 ) 4 of 5 stars ( 1 review )

your price $27.99 + ships free

BuyBuyPART NUM 930299
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
Profile Design Conversion  22.2mm (1" fork) to 28.6mm (1-1/8" threadless stem)
Profile Design Conversion 22.2mm (1" fork) to 28.6mm (1-1/8" threadless stem)

Profile Design Conversion has a polished silver finish. Steerer Clamp OD 25.4mm, for 1", 28.6mm for 1-1/8 Length of clamp area 1-5/8 (41cm) For installing … read more

your price $15.99

BuyBuyPART NUM 785120
Profile Design Boa Stem: 120mm; 130degree; 1-1/8"; Threadless - Black
Profile Design Boa Stem: 120mm; 130degree; 1-1/8"; Threadless - Black

Profile Design Boa Threadless Mountain Stems are constructed of 6061-T6 aluminum. Threadless 6061-T6 50mm Height 185-277 Grams Item Specifications … read more

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

your price $27.99 + ships free

BuyBuyPART NUM 255243
Profile Design Boa Stem: 65mm; 130degree; 1-1/8"; Threadless - Silver
Profile Design Boa Stem: 65mm; 130degree; 1-1/8"; Threadless - Silver

Profile Design Boa Threadless Mountain Stems are constructed of 6061-T6 aluminum. Threadless 6061-T6 50mm Height 185-277 Grams Item Specifications … read more

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

your price $27.99 + ships free

BuyBuyPART NUM 981480
Profile Conversion  25.4mm (1-1/8" fork) to 28.6mm (1-1/8" threadless stem)
Profile Conversion 25.4mm (1-1/8" fork) to 28.6mm (1-1/8" threadless stem)

Profile Design Conversion has a polished silver finish. Steerer Clamp OD 28.6mm for 1-1/8 Length of clamp area 1-5/8 (41cm) For installing threadless … read more

your price $15.99

BuyBuyPART NUM 155364
Profile Design Boa Stem: 105mm; 130degree; 1-1/8"; Threadless - Black
Profile Design Boa Stem: 105mm; 130degree; 1-1/8"; Threadless - Black

Profile Design Boa Threadless Mountain Stems are constructed of 6061-T6 aluminum. Threadless 6061-T6 50mm Height 185-277 Grams Item Specifications … read more

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

your price $27.99 + ships free

BuyBuyPART NUM 921758
Profile Design Boa Stem: 65mm; 130degree; 1-1/8"; Threadless - Black
Profile Design Boa Stem: 65mm; 130degree; 1-1/8"; Threadless - Black

Profile Design Boa Threadless Mountain Stems are constructed of 6061-T6 aluminum. Threadless 6061-T6 50mm Height 185-277 Grams Item Specifications … read more

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

your price $27.99 + ships free

BuyBuyPART NUM 411975
Profile Design H20 Road Quill Stem: 90mm; 105degree; Black; 1"; 26.0
Profile Design H20 Road Quill Stem: 90mm; 105degree; Black; 1"; 26.0

Profile Design H2O Quill Threaded Stems are constructed of 6061-T6 aluminum. 60mm range from minimum insertion to max insertion; 100mm from … read more

your price $44.99 + ships free

BuyBuyPART NUM 753415
Profile Design Aris Stem: 90MM; 83/97degree; Black; 1-1/8"; 26.0
Profile Design Aris Stem: 90MM; 83/97degree; Black; 1-1/8"; 26.0

Profile Design Aris Stems. Available for 26.0 & 31.8 3D forged 6061-T6 Aluminum Item Specifications Color: Black Intended Use: Road Steerer Tube: … read more

your price $47.49 + ships free

BuyBuyPART NUM 970864
Profile Design H20 Road Quill Stem: 60mm; 90degree; Black; 1"; 26.0
Profile Design H20 Road Quill Stem: 60mm; 90degree; Black; 1"; 26.0

Profile Design H2O Quill Threaded Stems are constructed of 6061-T6 aluminum. 60mm range from minimum insertion to max insertion; 100mm from … read more

your price $44.99 + ships free

BuyBuyPART NUM 443004
Profile Design H20 Road Quill Stem: 120mm; 105degree; Black; 1"; 26.0
Profile Design H20 Road Quill Stem: 120mm; 105degree; Black; 1"; 26.0

Profile Design H2O Quill Threaded Stems are constructed of 6061-T6 aluminum. 60mm range from minimum insertion to max insertion; 100mm from … read more

10% offretail $42.00 your price $37.99

BuyBuyPART NUM 892811
Profile Design Aris Stem: 80MM; 83/97degree; Black; 1-1/8"; 26.0
Profile Design Aris Stem: 80MM; 83/97degree; Black; 1-1/8"; 26.0

Profile Design Aris Stems. Available for 26.0 & 31.8 3D forged 6061-T6 Aluminum Item Specifications Color: Black Intended Use: Road Steerer Tube: … read more

your price $47.49 + ships free

BuyBuyPART NUM 361167
Profile Design Boa Quill Mountain Stem: 65mm; 130degree;  Silver; 1-1/8"; 25.4
Profile Design Boa Quill Mountain Stem: 65mm; 130degree; Silver; 1-1/8"; 25.4

Profile Design Boa Quill Stems AL-6061-T6 Weight: 185-277 grams Quill Insertion Diameter: 25.4 24mm range from minimum … read more

StarStarStarStarStar 4 of 5 ( 1 ) 4 of 5 stars ( 1 review )

your price $27.99 + ships free

BuyBuyPART NUM 531260
Profile Design Boa Quill Mountain Stem: 120mm; 110degree;  Silver; 1"; 25.4
Profile Design Boa Quill Mountain Stem: 120mm; 110degree; Silver; 1"; 25.4

Profile Design Boa Quill Stems AL-6061-T6 Weight: 185-277 grams Quill Insertion Diameter: 22.2 12mm range from minimum … read more

StarStarStarStarStar 4 of 5 ( 1 ) 4 of 5 stars ( 1 review )

your price $27.99 + ships free

BuyBuyPART NUM 218143
Profile Design Boa Stem: 90mm; 130degree; 1-1/8"; Threadless - Black
Profile Design Boa Stem: 90mm; 130degree; 1-1/8"; Threadless - Black

Profile Design Boa Threadless Mountain Stems are constructed of 6061-T6 aluminum. Threadless 6061-T6 50mm Height 185-277 Grams Item Specifications … read more

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

your price $27.99 + ships free

BuyBuyPART NUM 412492

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, and 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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