REVIEWS

HEAR WHAT OTHERS HAVE TO SAY

4.0
Rated 4.0 out of 5 stars
35 Reviews
4.0
Rated 4.0 out of 5 stars
Based on 35 reviews
Total 5 star reviews: 22 Total 4 star reviews: 4 Total 3 star reviews: 1 Total 2 star reviews: 2 Total 1 star reviews: 6
74%would recommend this product
35 reviews
  • RH
    robert h.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 27.2mm - SP6A272
    I recommend this product
    Rated 5 out of 5 stars
    3 days ago
    5 Stars

    just what I needed for my Lynskey Helix Pro 20 hard tail

  • AS
    Adam S.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 31.6mm - SP6A316
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    5 Stars

    Helps to take the edge off of bumps. I am missing my old LT though. I want a lot of cushion and this doesn't quite provide it.

  • SL
    Sid L.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 27.2mm - SP6A272
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    5 Stars

    Do yo like comfort? Do you like bikes? If yes, this is the darn seatpost for you

  • AT
    Aaron T.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 31.6mm - SP6A316
    I do not recommend this product
    Rated 1 out of 5 stars
    2 months ago
    Thudbuster ST Suspension Seatpost - 31.6 - SP6A316

    Read above just not worth the money

  • SD
    Stephen D.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 27.2mm - SP6A272
    I recommend this product
    Rated 5 out of 5 stars
    5 months ago
    Thudbuster ST Suspension Seatpost - 27.2 - SP6A272

    I can ride rougher roads longer with less fatigue and more beaming joy. 🤩

Reviews LoadedReviews Added

Thudbuster ST

Sale price$199.99

Shock Absorbing Seatpost

Thudbuster ST

Shock Absorbing Seatpost

Sale price$199.99
4.0
Rated 4.0 out of 5 stars
35 Reviews

Thudbuster ST is a shock-absorbing suspension seatpost that reduces riding pain and increases comfort. 2 inches (50mm) of vertical suspension travel absorbs bumps, dips, and drops in the road or trail, softening your ride and making biking more enjoyable so you can ride longer.  

Thudbuster ST is our most versatile suspension seatpost, offering the highest weight limit and a shorter overall height for riders that need low seat heights.  

Highlights:  

  • Reduce riding pain & increase comfort 

  • 2 inches / 50mm suspension travel 

  • 330lb/150kg rider weight limit  

  • No special tools needed for seat installation or elastomer spring change 

  • Customize ride feel with 3 included elastomer springs 

  • Patented Parallel Linkage Technology preserves natural pedaling motion  

Size: Thudbuster ST - 27.2mm - SP6A272

Size

- Sale price$199.99

In-stock items typically ship in 2-3 days

30-Day returns

Free shipping on orders $99+

Find a dealer near you

4.0
Rated 4.0 out of 5 stars
Based on 35 reviews
Total 5 star reviews: 22 Total 4 star reviews: 4 Total 3 star reviews: 1 Total 2 star reviews: 2 Total 1 star reviews: 6
74%would recommend this product
35 reviews
  • RH
    robert h.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 27.2mm - SP6A272
    I recommend this product
    Rated 5 out of 5 stars
    3 days ago
    5 Stars

    just what I needed for my Lynskey Helix Pro 20 hard tail

  • AS
    Adam S.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 31.6mm - SP6A316
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    5 Stars

    Helps to take the edge off of bumps. I am missing my old LT though. I want a lot of cushion and this doesn't quite provide it.

  • SL
    Sid L.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 27.2mm - SP6A272
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    5 Stars

    Do yo like comfort? Do you like bikes? If yes, this is the darn seatpost for you

  • AT
    Aaron T.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 31.6mm - SP6A316
    I do not recommend this product
    Rated 1 out of 5 stars
    2 months ago
    Thudbuster ST Suspension Seatpost - 31.6 - SP6A316

    Read above just not worth the money

  • SD
    Stephen D.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 27.2mm - SP6A272
    I recommend this product
    Rated 5 out of 5 stars
    5 months ago
    Thudbuster ST Suspension Seatpost - 27.2 - SP6A272

    I can ride rougher roads longer with less fatigue and more beaming joy. 🤩

Reviews LoadedReviews Added

REVIEWS

HEAR WHAT OTHERS HAVE TO SAY

4.0
Rated 4.0 out of 5 stars
Based on 35 reviews
Total 5 star reviews: 22 Total 4 star reviews: 4 Total 3 star reviews: 1 Total 2 star reviews: 2 Total 1 star reviews: 6
74%would recommend this product
35 reviews
  • RH
    robert h.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 27.2mm - SP6A272
    I recommend this product
    Rated 5 out of 5 stars
    3 days ago
    5 Stars

    just what I needed for my Lynskey Helix Pro 20 hard tail

  • AS
    Adam S.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 31.6mm - SP6A316
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    5 Stars

    Helps to take the edge off of bumps. I am missing my old LT though. I want a lot of cushion and this doesn't quite provide it.

  • SL
    Sid L.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 27.2mm - SP6A272
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    5 Stars

    Do yo like comfort? Do you like bikes? If yes, this is the darn seatpost for you

  • AT
    Aaron T.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 31.6mm - SP6A316
    I do not recommend this product
    Rated 1 out of 5 stars
    2 months ago
    Thudbuster ST Suspension Seatpost - 31.6 - SP6A316

    Read above just not worth the money

  • SD
    Stephen D.
    Thudbuster ST
    Reviewing
    Thudbuster ST Thudbuster ST - 27.2mm - SP6A272
    I recommend this product
    Rated 5 out of 5 stars
    5 months ago
    Thudbuster ST Suspension Seatpost - 27.2 - SP6A272

    I can ride rougher roads longer with less fatigue and more beaming joy. 🤩

Reviews LoadedReviews Added

Thudbuster ST

Suspension Seatpost

The latest generation Thudbuster ST is superior to its predecessor in every way.  Building on Thudbuster’s proven parallel linkage technology we have completely re-designed the seatpost for increased durability, a higher rider weight limit, and additional suspension travel, as well as ease of use through tool-free elastomer change and a single-bolt seat clamp design.

By improving on this already legendary design, we’re confident to say that the newest generation Thudbuster is the most advanced suspension seatpost ever made.

Better Than Ever

Designed specifically with the rigors of e-bikes and daily commuting in mind, the latest generation Thudbuster ST includes 50mm of travel to significantly diminish shocks and impacts from broken pavement, cobblestones or any other mixed surfaces.

Accessibility

Thudbuster ST is now able to support riders up to 330lbs (150kg) and incorporates a tool-free, interchangeable elastomer system to quickly and easily adjust the seat post for a variety of rider weights.

Parallel Linkage Design


The Thudbuster Parallel Linkage technology stays in the direct path of the natural travel of the rear wheel. As a bump lifts the back of a bicycle, the rear wheel pushes up and forward into the rider. The Thudbuster works by compressing along the exact opposite path — down and rearward — absorbing force at the same rate. This results in a natural suspension feel without being overly active, and allows for more travel without compromising pedaling position.

Additional Information

Product Specifications

Setback

0mm (unweighted)

Post

Forged aluminum

Seat Clamp

Single bolt fastening and angle adjustment design

Pivots

Threaded, serviceable, hard anodized aluminum axles flanged PTFE bushings

Elastomer

Medium firm elastomer pre-installed from the factory. Soft and Firm elastomers included. Extra Soft and Extra Firm elastomers sold separately

Travel

50mm / 1.97in

Length

27.2 – 345mm.  30.9 + 31.6 – 375mm

Weight

580 grams (31.6)

Max Rider Weight

330lbs / 150kg

Extension

Minimum – 100mm / Maximum – 274

Diameter (Direct Fit)

27.2, 30.9, 31.6 (additional diameters available with seatpost adapter)

Technical Documents