353+ mm Bicycle Seatposts
Seatpost length is measured in millimeters. It is typically measured from the bottom of the post to the center of the rail mount.
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Showing 648 products:
Cane Creek Thudbuster ST G4 Suspension Seatpost - 30.9 x 375mm, 50mm, Black
BuyPART NUM 705891
Building on Thudbuster's proven parallel linkage technology Cane Creek has completely re-designed the seatpost for increased durability, a higher rider … read more
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Ships Freeyour price $199.99 + ships free
BuyPART NUM 705891 
Cane Creek eeSilk Carbon Suspension Post, 31.6 x 353mm, Black BuyPART NUM 155740
With the same 20mm of ride-extending compliance as the original, the new eeSilk seatpost adds several design improvements for increased lateral … read more
your price $319.99 + ships free
BuyPART NUM 155740 
Race Face Next SL Carbon Seatpost, 27.2 x 400mm Black
5 of 5
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5 of 5 stars
( 1 review )
BuyPART NUM 187303
The Next seatpost sets a new standard for a performance carbon post, featuring our new innovative Hunter head design that presents a rider with easy … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $149.99 + ships free
BuyPART NUM 187303 
Kalloy SP-359 Micro-Top Seatpost, 26.2 x 400mm, Silver
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 218711
5 of 5
( 1 )
5 of 5 stars
( 1 review )
your price $21.58
BuyPART NUM 218711 
Thomson Elite Set Back Seatposts - Black - 31.6 x 410 mm
BuyPART NUM 786360
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
your price $114.95 + ships free
BuyPART NUM 786360 
KS LEV 272 Integra A12 Dropper Seatpost, 100mm, 27.2 x 410mm, Black BuyPART NUM 612074
Internal cable routing with rotating actuator and reduced actuation force Precision machined alloy mast One piece 3D forged stanchion … read more
$30 offretail $309.00 your price $278.10 + ships free
BuyPART NUM 612074 
KS E20 Dropper Seatpost, 100mm, 31.6 x 370mm, Black BuyPART NUM 509729
External cable routing Precision machined alloy mast Micro-adjustable head Air sprung hydraulic steel cartridge Patented … read more
$16 offretail $169.00 your price $152.10 + ships free
BuyPART NUM 509729 
Ritchey Comp Carbon Seatpost: 31.6, 400mm, 25mm Offset Black, 2020 Model
BuyPART NUM 863183
Carbon seatpost with a proven low profile 2 bolt clamp that wont bottom out on the saddle. Low profile clamp reduces stress on lightweight rails … read more
your price $104.95 + ships free
BuyPART NUM 863183 
Tranz-X Jump Seat Dropper Seatpost, 100mm, 31.6 x 365mm, Black BuyPART NUM 726167
Easy to install and easy to operate No cables required Lever actuated under the saddle to drop and raise your saddle Seat height … read more
your price $119.00 + ships free
BuyPART NUM 726167 
Origin8 Pro-Fit Seatpost, 25.4 x 400mm, Silver BuyPART NUM 218549
Forged AL6061-T6 alloy construction Micro-adjust 2-bolt hinged clamp design Extra-long 400mm post 0mm setback Outer Diameter: … read more
13% offretail $34.39 your price $29.99
BuyPART NUM 218549 
Promax SP-1 Seatpost - 27.2 x 400mm, Black BuyPART NUM 741316
The SP-1 seatpost is made using lightweight, 2014, aluminum alloy tubing and a cold forged, aluminum, alloy head. The two-bolt head design ensures solid … read more
your price $39.99
BuyPART NUM 741316 
Crank Brothers Highline 3 Dropper Seatpost - 27.2, 80mm, Black BuyPART NUM 694209
The all-new Highline delivers infinite adjustment, smooth feel, and easy installation for any bike. Remote sold separately. Shorter insertion … read more
$24 offretail $249.00 your price $224.10 + ships free
BuyPART NUM 694209 
OneUp Components Dropper Post, (180mm) 30.9x480mm BuyPART NUM 177602
New OneUp dropper line covers 100-210mm drops in 10mm increments Shortest overall length and stack height of any equal length dropper on … read more
$31 offretail $215.99 your price $184.99 + ships free
BuyPART NUM 177602 
Tranz-X Kitsuma LT Dropper Post, 31.6 x 464mm, 150mm, Black BuyPART NUM 274709
External cable routing Low maintenance sealed hydraulic cartridge and coil spring 7075 alloy construction and hard anodized 26mm stanchion … read more
$31 offretail $159.00 your price $127.20 + ships free
BuyPART NUM 274709 
SDG I-Beam Unidirectional Carbon Micro-Adjust Seatpost 0mm Setback 30.9x400mm BuyPART NUM 941165
SDG I-Beam Micro Carbon Seatposts. I-Beam technology eliminates seat rails for a single beam incoporated into the saddle shell. I-Beam provides the … read more
$35 offretail $129.99 your price $94.99
BuyPART NUM 941165 
Bike Yoke Revive Seatpost With Triggy Remote (125) 30.9 x 397mm, Black
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 433261
Self-serviceable dropper post with reset button at the head Non-IFP design provides better reliability and extremely smooth action … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
Clearance$81 offretail $374.99 your price $293.94 + ships free
BuyPART NUM 433261 
Tranz-X Hot Lap Dropper Seatpost, 50mm, 30.9 x 400mm, Black BuyPART NUM 272711
Internal cable routing Suited for gravel, XC and CX Lightweight hydraulic cartridge Item Specifications travel/drop: … read more
your price $129.99 + ships free
BuyPART NUM 272711 
KS ETEN Lever Post 125mm drop, 31.6x445mm BuyPART NUM 349222
Lever operated Alloy mast Black hard anodized stanchion Forged head with 20mm offset Black laser etched seal collar … read more
$11 offretail $119.00 your price $107.10 + ships free
BuyPART NUM 349222 
KS Supernatural 30.9 Post 435/150mm Remote - OPEN BOX SPECIAL
BuyPART NUM 903421
Kindshock Height-Adjust Seatposts Micro-adjust, zero offset clamp Infinitely-adjustable ride height Carbon remote replaces an … read more
$69 offretail $366.00 your price $296.46
BuyPART NUM 903421 
"The world's best choose Cane Creek. A key element of Cane Creek's mission is to support the sport of cycling, including racing, charitable activities and cycling advocacy. Cane Creek believes strongly in the power of bicycles and their potential to effect positive change in our society. To that end, Cane Creek supports athletes and teams whose purpose encompasses more than competitive racing, such as getting more people on bikes, improving or promoting a healthy lifestyle, and making our world better through the use of a bike."
Thomson is leading with innovative design for two primary markets - aerospace and cycling.
"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.'
"At Salsa, we believe a sense of adventure makes life better. The bicycle can be so much more than just a bike; it's a path to new places, new people, and amazing experiences."
Driven by the vision of becoming a worldwide known manufacturer of bicycle components, DT Swiss expanded its product range over the years. Today DT Swiss has established itself as a leading manufacturer of spokes, nipples, hubs, rims, complete wheels as well as suspension systems.
"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."
"Whisky Parts Co. makes high quality carbon components designed with unique features that help you do more with your bike and stand out from the rest. We believe that our work can help every rider find a new level of confidence and performance with our sturdy and lightweight forks, bars, rims and more. So whether you are building a new bike or upgrading one you already have, you'll find an uncommon attention to detail in every product we offer."
"Every year bikes change, styles and trends evolve, old bikes are in need of repairs and new bikes are waiting for that personal touch. We provide the means to keep your bike on the road and fun to ride!"
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
On a dropper post, this is the distance that the post will drop.
Suspension seatposts are designed with comfort in mind.
Seatpost Clamp Style
Rigid seatposts are the most common type of seatpost with no suspension or dropping capability.
Our Lowest Price - This product is ineligible for additional discounts or rebates.
Dropper posts have the ability to change heights. This has become a choice for mountain bike riders that prefer multiple riding positions.
Clearance items can save you big.
Seatpost length is measured in millimeters. It is typically measured from the bottom of the post to the center of the rail mount.
Weight
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.