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Thomson X4 Mountain 31.8 130mm 100 Degrees Black 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 130mm 100 Degrees Black 1-1/8" Threadless StemThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 623442
Thomson X4 Mountain 31.8 90mm 90 Degrees Silver 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 90mm 90 Degrees Silver 1-1/8" Threadless StemThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 771847
Thomson X4 Mountain 31.8 70mm 90 Degrees Silver 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 70mm 90 Degrees Silver 1-1/8" Threadless StemThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 672763
Thomson Elite X4 Mountain Stem 80mm 100 Degrees 31.8 1-1/8 Threadless Black
Thomson Elite X4 Mountain Stem 80mm 100 Degrees 31.8 1-1/8 Threadless BlackThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 103480
Thomson Elite X4 Mountain Stem 70mm 100 Degrees 31.8 1-1/8" Threadless Silver
Thomson Elite X4 Mountain Stem 70mm 100 Degrees 31.8 1-1/8" Threadless SilverThomson

31.8 bar clamp diameter with smooth edges for carbon bar compatibility Machined 7000 series extruded bar stock Bolts are custom heat treated with … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 468187
Thomson Elite X4 Mountain Stem 80mm 100 Degrees 31.8 1-1/8 Threadless Silver
Thomson Elite X4 Mountain Stem 80mm 100 Degrees 31.8 1-1/8 Threadless SilverThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 486000
Thomson X4 Mountain 31.8 110mm 90 Degrees Silver 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 110mm 90 Degrees Silver 1-1/8" Threadless StemThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 799050
Thomson X4 Mountain 31.8 120mm 90 Degrees Black 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 120mm 90 Degrees Black 1-1/8" Threadless StemThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 967460
Thomson Elite X4 Mountain Stem - 50mm, 35mm, 0 Degree, Aluminum, Black
Thomson Elite X4 Mountain Stem - 50mm, 35mm, 0 Degree, Aluminum, BlackThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

$11 offretail $114.95 your price $103.45 + ships free

BuyBuyPART NUM 299885
Thomson Elite X4 Mountain Stem - 32mm 35mm 0 Degree Aluminum Black
Thomson Elite X4 Mountain Stem - 32mm 35mm 0 Degree Aluminum BlackThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

$11 offretail $114.95 your price $103.45 + ships free

BuyBuyPART NUM 195126
Thomson X4 Mountain 31.8 100mm 90 Degrees Silver 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 100mm 90 Degrees Silver 1-1/8" Threadless StemThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )

your price $114.95 + ships free

BuyBuyPART NUM 352970
Thomson X4 Mountain Threadless Stem, 1-1/8", 31.8 x 120mm, Polished Silver
Thomson X4 Mountain Threadless Stem, 1-1/8", 31.8 x 120mm, Polished SilverThomson

One piece of solid 7000 series aluminum extruded billet, precision machined by Thomson in Macon, Georgia Features a traditional steerer clamp … read more

your price $114.95 + ships free

BuyBuyPART NUM 986033
Thomson X4 Mountain Threadless Stem, 1-1/8", 31.8 x 120mm, 10d, Polished Silver
Thomson X4 Mountain Threadless Stem, 1-1/8", 31.8 x 120mm, 10d, Polished SilverThomson

One piece of solid 7000 series aluminum extruded billet, precision machined by Thomson in Macon, Georgia Features a traditional steerer clamp … read more

Currently Sold Out

your price $114.95 + ships free

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Thomson X4 Mountain 31.8 110mm 100 Degrees Silver 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 110mm 100 Degrees Silver 1-1/8" Threadless StemThomson

Thomson X4 Mountain Stems feature smooth edges for carbon bar compatibility and use bolts that are custom heat treated with corrosion preventative plating. … read more

StarStarStarStarStar 4 of 5 ( 2 ) 4 of 5 stars average ( 2 reviews )
Currently Sold Out

your price $114.95 + ships free

InfoInfo
Thomson X4 Mountain Threadless Stem, 1-1/8", 31.8 x 130mm, Polished Silver
Thomson X4 Mountain Threadless Stem, 1-1/8", 31.8 x 130mm, Polished SilverThomson

One piece of solid 7000 series aluminum extruded billet, precision machined by Thomson in Macon, Georgia Features a traditional steerer clamp … read more

Currently Sold Out

your price $121.95 + ships free

InfoInfo
Thomson, X2 Road 31.8 70mm -10d Black
Thomson, X2 Road 31.8 70mm -10d BlackThomson

Forget carbon. The X2 is 60 grams lighter than the Elite and superstiff! Narrower front end to better fit aero bars A stem that … read more

Currently Sold Out

your price $114.95 + ships free

InfoInfo
Thomson

Thomson is leading with innovative design for two primary markets - aerospace and cycling.

See all Thomson

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

In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.

Buy this product and your entire order ships for free.

Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.