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

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Thomson Elite Set Back Seatposts - Black - 31.6 x 410 mm
Thomson Elite Set Back Seatposts - Black - 31.6 x 410 mmThomson

The Elite Set Back Thomson Seatpost has a post and cradle which are machined from one piece of 7000 aluminum. Post and cradle are machined from one … read more

Black 265 g 31.6 mm Diameter 410 mm Length 16 mm Offset Aluminum Rigid Standard
popularpopularIn StoreIn StoreThomson SP-E116SB BlackThomson SP-E116SB BlackShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 786360
Thomson Masterpiece Seatposts Silver
Thomson Masterpiece Seatposts SilverThomson

The Thomson Masterpiece Seatpost is not for everyone. We at Thomson wanted to create the best seatpost possible without regard to cost. The … read more

Silver 158 g, 199 g 27.2 mm Diameter, 30.9 mm Diameter, 31.6 mm Diameter 240 mm Length, 330 mm Length, 350 mm Length 0 mm Offset Aluminum Rigid Standard
In StoreIn StoreThomson SP-M105 SILVERThomson SP-M105 SILVERShips FreeShips Free

your price $159.95 + ships free

BuyBuyPART NUM 222314
Thomson X4 Mountain 31.8 130mm 90 Degrees Black 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 130mm 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 )
Black 31.8 mm 130 mm 28.6 90 deg Threadless
In StoreIn StoreThomson SM-E136 BKThomson SM-E136 BKTwo remaining at this priceTwo remaining at this priceShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 724444
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 )
Black 31.8 mm 120 mm 28.6 90 deg Threadless
In StoreIn StoreThomson SM-E135 BKThomson SM-E135 BKShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 967460
Thomson Road Alloy Handlebar 44cm 31.8 Black Aero Profile
Thomson Road Alloy Handlebar 44cm 31.8 Black Aero ProfileThomson

Our aluminum drop bars bring the performance, and dependability you have come to expect from Thomson. The lineup is available in 3 profiles, and varying … read more

Black 270 g Aluminum 31.8 mm Clamp 44 cm Width
In StoreIn StoreThomson HB-E122Thomson HB-E122One remaining at this priceOne remaining at this priceShips FreeShips Free

your price $134.95 + ships free

BuyBuyPART NUM 834340
Thomson Elite Seatpost Black 27.2 mm x 250 mm
Thomson Elite Seatpost Black 27.2 mm x 250 mmThomson

Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any … read more

StarStarStarStarStar 4.6 of 5 ( 5 ) 4.6 of 5 stars average ( 5 reviews )
Black 180 g 27.2 mm Diameter 250 mm Length 0 mm Offset Aluminum mm Travel Rigid Standard
popularpopularThomson Sp-E102 blackThomson Sp-E102 blackShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 693352
Thomson Elite Set Back Seatposts - Black - 27.2 x 410 mm
Thomson Elite Set Back Seatposts - Black - 27.2 x 410 mmThomson

The Elite Set Back Thomson Seatpost has a post and cradle which are machined from one piece of 7000 aluminum. Post and cradle are machined … read more

Black 265 g 27.2 mm Diameter 410 mm Length 16 mm Offset Aluminum mm Travel Rigid Standard
popularpopularThomson SP-E113SB BlackThomson SP-E113SB BlackShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 404104
Thomson G2 Road/Gravel Stem, (31.8) 10d X 70mm, Black
Thomson G2 Road/Gravel Stem, (31.8) 10d X 70mm, BlackThomson

Crafted from a one-piece 7000 series block of aluminum 2-bolt design Designed to handle the toughest conditions 36mm stack height … read more

Black 31.8 mm 70 mm 28.6 80, 100 deg Threadless
Thomson 115201-1-BKThomson 115201-1-BKShips FreeShips Free

$20 offretail $151.95 your price $131.95 + ships free

BuyBuyPART NUM 988724
Thomson Elite Set Back Seatposts - Black - 27.2 x 330 mm
Thomson Elite Set Back Seatposts - Black - 27.2 x 330 mmThomson

The Elite Set Back Thomson Seatpost has a post and cradle which are machined from one piece of 7000 aluminum. Post and cradle are machined from one … read more

Black 220 g 27.2 mm Diameter 330 mm Length 16 mm Offset Aluminum Rigid Standard
popularpopularThomson SP-E101SB blackThomson SP-E101SB blackShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 132741
Thomson G2 Road/Gravel Stem, (31.8) 10d X 100mm, Black
Thomson G2 Road/Gravel Stem, (31.8) 10d X 100mm, BlackThomson

Crafted from a one-piece 7000 series block of aluminum 2-bolt design Designed to handle the toughest conditions 36mm stack height … read more

Black 31.8 mm 100 mm 28.6 80, 100 deg Threadless
Thomson 115201-4-BKThomson 115201-4-BKThree remaining at this priceThree remaining at this priceShips FreeShips Free

$20 offretail $151.95 your price $131.95 + ships free

BuyBuyPART NUM 561935
Thomson X4 Stem Mountain 31.8 60mm 90 Degrees Black 1-1/8" Threadless
Thomson X4 Stem Mountain 31.8 60mm 90 Degrees Black 1-1/8" ThreadlessThomson

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 )
Black 31.8 mm 60 mm 28.6 90 deg Threadless
popularpopularThomson SM-E164-BKThomson SM-E164-BKOne remaining at this priceOne remaining at this priceShips FreeShips Free

$14 offretail $114.95 your price $99.99 + ships free

BuyBuyPART NUM 327291
Thomson X4 Mountain 31.8 50mm 90 Degrees Black 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 50mm 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 )
Black 31.8 mm 50 mm 28.6 90 deg Threadless
popularpopularThomson SM-E130 BKThomson SM-E130 BKShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 534897
Thomson Covert Dropper Seatpost, 150mm, 31.6 x 450mm, Black
Thomson Covert Dropper Seatpost, 150mm, 31.6 x 450mm, BlackThomson

Applying four decades of expertise, Thomson has set the bar with the Covert dropper Custom made Norglide bearing bushings and Trelleborg … read more

Black 592 g 31.6 mm Diameter 450 mm Length Aluminum 150 mm Travel Dropper Standard
Thomson DP-C109Thomson DP-C109One remaining at this priceOne remaining at this priceShips FreeShips Free

your price $479.95 + ships free

BuyBuyPART NUM 646771
Thomson Elite Seatpost Black 31.6 mm x 367 mm
Thomson Elite Seatpost Black 31.6 mm x 367 mmThomson

Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any other production … read more

StarStarStarStarStar 4.6 of 5 ( 5 ) 4.6 of 5 stars average ( 5 reviews )
Black 230 g 31.6 mm Diameter 367 mm Length 0 mm Offset Aluminum Rigid Standard
popularpopularThomson SP-E109 blackThomson SP-E109 blackShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 227509
Thomson X4 Mountain 31.8 70mm 90 Degrees Black 1-1/8" Threadless Stem
Thomson X4 Mountain 31.8 70mm 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 )
Black 31.8 mm 70 mm 28.6 90 deg Threadless
popularpopularThomson SM-E131 BKThomson SM-E131 BKShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 541817
Thomson Elite Seatpost Black 30.9 mm x 410 mm
Thomson Elite Seatpost Black 30.9 mm x 410 mmThomson

Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any other production … read more

StarStarStarStarStar 4.6 of 5 ( 5 ) 4.6 of 5 stars average ( 5 reviews )
Black 265 g 30.9 mm Diameter 410 mm Length 0 mm Offset Aluminum Rigid Standard
popularpopularThomson SP-E127 blackThomson SP-E127 blackShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 972863
Thomson Elite Seatpost Silver - 27.2 mm x 330 mm
Thomson Elite Seatpost Silver - 27.2 mm x 330 mmThomson

Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any other production … read more

StarStarStarStarStar 4.6 of 5 ( 5 ) 4.6 of 5 stars average ( 5 reviews )
Silver 220 g 27.2 mm Diameter 330 mm Length 0 mm Offset Aluminum Rigid Standard
popularpopularThomson SP-E101 silverThomson SP-E101 silverShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 122335
Thomson Elite Set Back Seatposts - Black - 30.9 x 410 mm
Thomson Elite Set Back Seatposts - Black - 30.9 x 410 mmThomson

The Elite Set Back Thomson Seatpost has a post and cradle which are machined from one piece of 7000 aluminum. Post and cradle are machined from one … read more

Black 265 g 30.9 mm Diameter 410 mm Length 16 mm Offset Aluminum Rigid Standard
popularpopularThomson SP-E127SB BLACKThomson SP-E127SB BLACKShips FreeShips Free

$7 offretail $121.95 your price $114.95 + ships free

BuyBuyPART NUM 112698
Thomson Elite Seatpost Black 30.9 mm x 367 mm
Thomson Elite Seatpost Black 30.9 mm x 367 mmThomson

Over 40% stronger on ultimate strength test than the strongest production seatposts on the market. Over double the fatigue life of any other production … read more

StarStarStarStarStar 4.6 of 5 ( 5 ) 4.6 of 5 stars average ( 5 reviews )
Black 230 g 30.9 mm Diameter 367 mm Length 0 mm Offset Aluminum Rigid Standard
popularpopularThomson SP-E128 blackThomson SP-E128 blackShips FreeShips Free

your price $114.95 + ships free

BuyBuyPART NUM 503967
Thomson G2 Road/Gravel Stem, (31.8) 10d X 90mm, Silver
Thomson G2 Road/Gravel Stem, (31.8) 10d X 90mm, SilverThomson

Crafted from a one-piece 7000 series block of aluminum 2-bolt design Designed to handle the toughest conditions 36mm stack height … read more

Silver 31.8 mm 90 mm 28.6 80, 100 deg Threadless
Thomson 115201-3-SLThomson 115201-3-SLShips FreeShips Free

$20 offretail $151.95 your price $131.95 + ships free

BuyBuyPART NUM 557112
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.

Weight

These products are one of our best sellers.

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.

The seatpost diameter must match to the seat tube diamater of your frame. If replacing a seatpost, you can usually find this measurement etched near the bottom of your current post.

Seatpost length is measured in millimeters. It is typically measured from the bottom of the post to the center of the rail mount.

Offset is often referred to as setback. This is the distance in mm that the clamp is offset from the center of the seatpost.

Seatpost Material

Rigid seatposts are the most common type of seatpost with no suspension or dropping capability.

Seatpost Clamp Style

This is the part number or identifier for this item from the manufacturer

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

Limited quantities remaining.

Material

Handlebar Bar Clamp Diameter

Handlebar Width

On a dropper post, this is the distance that the post will drop.

Dropper posts have the ability to change heights. This has become a choice for mountain bike riders that prefer multiple riding positions.

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.