Loving my "Thudbuster" suspension seatpost (Happy Birthday to Me!)

ebikemom

Well-Known Member
My bike came with a low-end suspension seatpost that's okay, but I got some birthday $$ and decided to get a Thudbuster for my Pedego Interceptor. My local bike mechanic recommended it and gave me a terrific price. I really like it. It has "elastomer" inserts of various stiffness/elasticity, and a chart that says which combination of two elastomer inserts to put on the Thudbuster based on rider weight.

I went with a combination where my weight was right in the middle of the range.

WOW, what a difference in my ride. It makes my bike seat feel like it's really soft, and while I feel the bumps with the bike, I don't feel them with my seat!

I'm super happy with this purchase. My local bike tech did a great job measuring so I could get the correct shim, since my bike's seatpost tube is an odd size.

The suspension part of the seatpost does take up a lot of space, so this wouldn't work for riders who need to keep their seat super low.

I know there are other great suspension seatposts out there--body float, suntour, etc. I can't offer any sort of comparison. I just know that I'm a happy camper.
 
I have the short-travel Thudbuster on my hardtail eMTB, Trek's Powerfly 5.

The Powerfly will be celebrating its first birthday next weekend. Over the last year about two-thirds of its outings have been on really rough, but not technical, trails. With the Thudbuster fitted, the roughness hasn't been dispelled but it has been dampened. Quite literally, the thuds have been busted!

My Powerfly has a slightly dropped top tube (marketed as a women's specific design) which overcomes the problem of not having sufficient space to fit the Thudbuster.

One slight gripe: the elastomers are rated #1, #3, #5, #7. There is no overlap of rider weight loading: I'm just into #5's range but have opted to use #3. No problems yet, but I'd prefer the non-existent #4.

I've tried the Thudbuster ST on my R&M Homage. It's not really necessary (a dropper post is a better option – can't have both!).

Definitely recommended. Wouldn't be without it!
 
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I have the short-travel Thudbuster on my hardtail eMTB, Trek's Powerfly 5.

The Powerfly will be celebrating its first birthday next weekend. Over the last year about two-thirds of its outings have been on really rough, but not technical, trails. With the Thudbuster fitted, the roughness hasn't been dispelled but it has been dampened. Quite literally, the thuds have been busted!

My Powerfly has a slightly dropped top tube (marketed as a women's specific design) which overcomes the problem of not having sufficient space to fit the Thudbuster.

One slight gripe: the elastomers are rated #1, #3, #5, #7. There is no overlap of rider weight loading: I'm just into #5's range but have opted to use #3. No problems yet, but I'd prefer the non-existent #4.

I've tried the Thudbuster ST on my R&M Homage. It's not really necessary (a dropper post is a better option – can't have both!).

Definitely recommended. Wouldn't be without it!

I agree. I have both the Thudbuster ST and LT versions. Both are effective but the LT version has 2 elastomers which allows you to mix & match for your weight. It also has 3 inches of travel compared to 1.3 for the ST.

If you have seatpost room for the taller LT version, You'll get a better ride if you do like ebikemom and use mid range elastomers for your weight.
 
My bike came with a low-end suspension seatpost that's okay, but I got some birthday $$ and decided to get a Thudbuster for my Pedego Interceptor. My local bike mechanic recommended it and gave me a terrific price. I really like it. It has "elastomer" inserts of various stiffness/elasticity, and a chart that says which combination of two elastomer inserts to put on the Thudbuster based on rider weight.

I went with a combination where my weight was right in the middle of the range.

WOW, what a difference in my ride. It makes my bike seat feel like it's really soft, and while I feel the bumps with the bike, I don't feel them with my seat!

I'm super happy with this purchase. My local bike tech did a great job measuring so I could get the correct shim, since my bike's seatpost tube is an odd size.

The suspension part of the seatpost does take up a lot of space, so this wouldn't work for riders who need to keep their seat super low.

I know there are other great suspension seatposts out there--body float, suntour, etc. I can't offer any sort of comparison. I just know that I'm a happy camper.

Happy Birthday Ebikemom! Great bd present.
I have a Body Float on my Vado and it made a huge difference. The seat post didn’t have the necessary length for the Thudbuster or I may have considered it.
The weight and speed of these ebikes can really magnify the bumps. No more bumps for our bums!
 
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