i don't seem to find anything about them on internet. now i got 2 bikes with different kind of seatpost.
whats the difference and which is better?
which type of seat post, seat post clamp is better?
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which type of seat post, seat post clamp is better?
Postby vcreation1 » Thu Oct 18, 2018 4:44 pm
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Re: which type of seat post, seat post clamp is better?
Postby rodneycc » Thu Oct 18, 2018 5:02 pm
Neither? Well if I had to choose one the bottom one with the vertical screw and jaw clamp (but I rather two screw vertical clamps with the wheel adjustment). I don't like the side screw clamps at all and Selle SMP saddles can have real problems with them slipping. Although I do remember a guy in a Trek shop swore black and blue their side clamps didn't have any problems with Selle SMP saddles.
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2013 Lynskey Helix;2013 XACD Ti Di2
2013 Giant TCR Adv SL1;2014 Giant Defy Adv SL
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Re: which type of seat post, seat post clamp is better?
Postby warthog1 » Thu Oct 18, 2018 7:20 pm
This type on my thomson elite works well
Last edited by warthog1 on Thu Oct 18, 2018 10:12 pm, edited 1 time in total.
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Re: which type of seat post, seat post clamp is better?
Postby Duck! » Thu Oct 18, 2018 8:31 pm
Transverse bolt clamps are rubbish. Simple as that. Single vertical bolt clamps are better, but tend to lack fine adjustment, and cam also tend to slip when they get old.
I had a thought, but it got run over as it crossed my mind.
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Re: which type of seat post, seat post clamp is better?
Postby Bentnose » Thu Oct 18, 2018 8:43 pm
+1 on the Thomson style clamp
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Re: which type of seat post, seat post clamp is better?
Postby 10speedsemiracer » Thu Oct 18, 2018 10:17 pm
Yeah I'm +1 for the vertical clamped post.
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Re: which type of seat post, seat post clamp is better?
Postby rodneycc » Fri Oct 19, 2018 1:47 pm
I have a love hate relationship with Thomson seatposts. I have an Elite and a Masterpiece on two of by bikes. I love the strength of the clamp but why do they have 4mm instead of 5mm hex bolts. I've pretty much rounded one of the bolts already. Also with bikes that have a chuncky seatpost collar clamps like on one of my bikes, the rear bolt sits right underneath the collar and no room to put a hex key under there (or a torque wrench) so I have to pull up my post higher before I can tighten the saddle clamp. Really annoying. I love the Giant road bike seat posts the most both ISP and Standard with the fine adjustment. A few makes have the same kind (had the same on my Spesh Roubaix before I sold it). Last year or a couple of years ago I bought a Deda Superleggero and is a fairly decent post like I think most of the Deda post range (I.e like the zero).
2013 BMC TM SLR01;2013/14 Bianchi Inf CV
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Re: which type of seat post, seat post clamp is better?
Postby NASHIE » Fri Oct 19, 2018 4:22 pm
Was about to agree with all and rubbish side mount, but then checked the Giant CX race bike and its side mount. Seat/mount takes a hammering jumping on and off racing, and can't fault it. Although Trek MTB with side mount Bontrager post and saddle is rubbish. Had to grind to get it to work and still need massive tightening to hold.
Road bikes all verticle over the years and no issues.
Road bikes all verticle over the years and no issues.
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Re: which type of seat post, seat post clamp is better?
Postby Baalzamon » Fri Oct 19, 2018 5:06 pm
I just got a Thomspon seatpost and love it.
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Re: which type of seat post, seat post clamp is better?
Postby g-boaf » Sat Oct 20, 2018 11:43 pm
Giant ISP is a great solution, the seat post is integrated, easy.
My Cervelo has an arrangement similar to the first photo from the OP, it gives no trouble but it is maddening to configure it first time.
My Cervelo has an arrangement similar to the first photo from the OP, it gives no trouble but it is maddening to configure it first time.
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Re: which type of seat post, seat post clamp is better?
Postby mikgit » Sun Oct 21, 2018 8:58 pm
Gar, this +1000, I've got 5 Thompson style posts, 2 eastons, 1 nukeproof and 2 thompsons... the eastons and NP are joys to use (actually make that 7, 2 droppers as well), the Thompsons... burn them with fire!!! the tiny bolts are so fiddly, I hate using them.rodneycc wrote:I have a love hate relationship with Thomson seatposts. I have an Elite and a Masterpiece on two of by bikes. I love the strength of the clamp but why do they have 4mm instead of 5mm hex bolts. I've pretty much rounded one of the bolts already..
My fav from years ago was an American classicyou just put the seat rails on the cradle, do it up, then you had another bolt to adjust the tilt, perfect.
Got a 3T recently with some sidebolt arrangement, super weird to set up, but once done, seems good.
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