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Campagnolo Seatposts - Poor By Design For Some

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Campagnolo Seatposts - Poor By Design For Some

Old 08-27-08, 11:57 AM
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jberenyi
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Campagnolo Seatposts - Poor By Design For Some

I faxed this letter to Campagnolo today. Thought I would share it with the forum. Sure wish I could use their seatposts.

August 27, 2008

Dear Campagnolo,

I have been a fan and proud owner of many Campagnolo products over the years but at this time, I feel the need to share my concern and frustration over one of your products that has an inherent design flaw as well as safety issue. This product is your Chorus and Record seatposts with the .5mm serrations. Before purchasing my 31.6mm Record seatpost, I no idea that there were so many disgruntled customers over the issue of the serration design. Being an Aerospace Engineer I can attest that my Record seatpost was installed correctly per your manual instructions including the proper torque value. However, on a 20-mile bike ride yesterday, I experienced two situations where my saddle shifted and rocked backwards severely after going over a swell in the road and a very mild bump. The cracking sound of the clamp slipping over the serrations was enough to scare the daylights out of any bike rider.

When I got home I noticed that there are only four small contact points about ¼” wide in the clamp area. There is no full contact along both sides of the serrations in either the saddle clamp or seatpost clamp area. In addition, the serrations are so small that there is no way to insure that the installer is not crossing the grooves from one side to the other. All it takes is one time of crossing the serrations and you have ruined a very expensive seatpost and put the rider at serious risk of an accident or worse yet…death. The serious risk I mention is in part due to the installer inevitably exceeding the torque value of the seat bolt to minimize the saddle slippage problem. Going over a bump in the road with an over-torqued seat bolt could possibly snap the bolt due to undue tensile stress thereby putting the rider at extreme safety risk. All this could mean that Campagnolo is headed for a class action lawsuit if someone gets hurt or worst yet…dies.

I urge Campagnolo to immediately reconsider their current seatpost design to avoid the latter and to have it not over shadow in a negative way, the newly released 11-Speed Super Record Gruppo. If you have any further questions please feel free to contact me.

Sincerely,

John L. Berenyi

Last edited by jberenyi; 08-27-08 at 12:02 PM.
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Old 08-27-08, 12:00 PM
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Originally Posted by jberenyi View Post
I faxed this letter to Campagnolo today. Thought I would share it with the forum. Sure wish I could use their seatposts.

August 27, 2008

Dear Campagnolo,

I have been a fan and proud owner of many Campagnolo products over the years but at this time, I feel the need to share my concern and frustration over one of your products that has an inherent design flaw as well as safety issue. This product is your Chorus and Record seatposts with the .5mm serrations. Before purchasing my 31.6mm Record seatpost, I no idea that there were so many disgruntled customers over the issue of the serration design. Being an Aerospace Engineer I can attest that my Record seatpost was installed correctly per your manual instructions including the proper torque value. However, on a 20-mile bike ride yesterday, I experienced two situations where my saddle shifted and rocked backwards severely after going over a swell in the road and a very mild bump. The cracking sound of the clamp slipping over the serrations was enough to scare the daylights out of any bike rider.

When I got home I noticed that there are only four small contact points about ¼” wide in the clamp area. There is no full contact along both sides of the serrations in either the saddle clamp or seatpost clamp area. In addition, the serrations are so small that there is no way to insure that the installer is not crossing the grooves from one side to the other. All it takes is once and you have ruined a very expensive seatpost and put the rider at serious risk of an accident or worse yet…death. The serious risk I mention is in part due to the installer inevitably exceeding the torque value of the seat bolt to minimize the saddle slippage problem. Going over a bump in the road with an over-torqued seat bolt could possibly snap the bolt due to undue tensile stress thereby putting the rider at extreme safety risk. All this could mean that Campagnolo is headed for a class action lawsuit if someone gets hurt or worst yet…dies.

I urge Campagnolo to immediately reconsider their current seatpost design to avoid the latter and to have it not over shadow in a negative way, the newly released 11-Speed Super Record Gruppo. If you have any further questions please feel free to contact me.

Sincerely,

John L. Berenyi
I hope you didn't send the letter like that... >.>
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Old 08-27-08, 12:03 PM
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Originally Posted by BananaTugger View Post
I hope you didn't send the letter like that... >.>
Thanks for pointing that out. I will send it with the correction.
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Old 08-27-08, 12:04 PM
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Also:

Campagnolo's seatposts have used this design for almost 4 years, and no one has died yet. So, yeah. About that.
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Old 08-27-08, 12:06 PM
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Originally Posted by BananaTugger View Post
Also:

Campagnolo's seatposts have used this design for almost 4 years, and no one has died yet. So, yeah. About that.
You said it...."yet"
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Old 08-27-08, 12:11 PM
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Originally Posted by jberenyi View Post
You said it...."yet"
And?
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Old 08-27-08, 12:14 PM
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I believe I have the same problem with the same seat (posted in this thread: http://www.bikeforums.net/showthread.php?t=458665

It seems that the "splines" or the "serrations" are not strong enough to take normal road riding conditions. My seat angle keeps getting moved up (nose moves up) throughout the ride because the pressure on the rear of the seat and inability of the seatpost to hold the angle.
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Old 08-27-08, 01:41 PM
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Originally Posted by jberenyi View Post
I faxed this letter to Campagnolo today. Thought I would share it with the forum. Sure wish I could use their seatposts.

August 27, 2008

Dear Campagnolo,

I have been a fan and proud owner of many Campagnolo products over the years but at this time, I feel the need to share my concern and frustration over one of your products that has an inherent design flaw as well as safety issue. This product is your Chorus and Record seatposts with the .5mm serrations. Before purchasing my 31.6mm Record seatpost, I no idea that there were so many disgruntled customers over the issue of the serration design. Being an Aerospace Engineer I can attest that my Record seatpost was installed correctly per your manual instructions including the proper torque value. However, on a 20-mile bike ride yesterday, I experienced two situations where my saddle shifted and rocked backwards severely after going over a swell in the road and a very mild bump. The cracking sound of the clamp slipping over the serrations was enough to scare the daylights out of any bike rider.

When I got home I noticed that there are only four small contact points about ¼” wide in the clamp area. There is no full contact along both sides of the serrations in either the saddle clamp or seatpost clamp area. In addition, the serrations are so small that there is no way to insure that the installer is not crossing the grooves from one side to the other. All it takes is one time of crossing the serrations and you have ruined a very expensive seatpost and put the rider at serious risk of an accident or worse yet…death. The serious risk I mention is in part due to the installer inevitably exceeding the torque value of the seat bolt to minimize the saddle slippage problem. Going over a bump in the road with an over-torqued seat bolt could possibly snap the bolt due to undue tensile stress thereby putting the rider at extreme safety risk. All this could mean that Campagnolo is headed for a class action lawsuit if someone gets hurt or worst yet…dies.

I urge Campagnolo to immediately reconsider their current seatpost design to avoid the latter and to have it not over shadow in a negative way, the newly released 11-Speed Super Record Gruppo. If you have any further questions please feel free to contact me.

Sincerely,

John L. Berenyi
Fellow Campy gruppo rider here. You might want to get in line with all including me that has always thought their posts suck. Its common knowledge. Its worse if you are a Clyde and live on bad roads. Single bolt posts with small serations for "micro adjustability" suck in general. You are an engineer as am I and you should have studied their weak design prior to buying. You can write to GM and tell them their cars suck but little will likely come of it. Buy a Thomson post.
Two bolt posts are the way to go. Thomson doesn't make good component groups either but they make the best seat post for the money.
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Old 08-27-08, 01:46 PM
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This makes me glad I sold mine without even trying it... I got a LOOK Ti 2 instead and couldn't have been happier. Makes me want to upgrade to the 4.
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Old 08-27-08, 01:46 PM
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Originally Posted by BananaTugger View Post
Also:

Campagnolo's seatposts have used this design for almost 4 years, and no one has died yet. So, yeah. About that.
Not so. The guy who wrote the thread about being hit by a truck was riding one.
Oddly, the truck driver was reportedly blinded by the chrome finish on the Campy post which causes the wreck and not the poor design of the post itself. I will keep the board up to date as further information becomes available.

Last edited by Campag4life; 08-27-08 at 01:58 PM.
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Old 08-27-08, 01:49 PM
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Originally Posted by Campag4life View Post
Not so. The guy who wrote the thread about being hit by a truck was riding one.
Oddly, the truck driver was reported blinded by the chrome finish on the Campy post which causes the wreck and not the poor design of the post itself. I will keep the board up to date as further information becomes available.
That's why you should wear sunglasses.
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Old 08-27-08, 01:55 PM
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Originally Posted by BananaTugger View Post
That's why you should wear sunglasses.
Too late...poor dude is a goner.
Update: Woo showed up at the scene after riding his wife and was reported to file his nails with the stripped serrated end of the Campy post. More to follow.

Last edited by Campag4life; 08-27-08 at 02:31 PM.
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Old 08-27-08, 02:25 PM
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Serrated seatposts were a downgrade from two-bolt, infinite adjustment ones.
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Old 08-27-08, 02:49 PM
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Originally Posted by Campag4life View Post
Fellow Campy gruppo rider here. You might want to get in line with all including me that has always thought their posts suck. Its common knowledge. Its worse if you are a Clyde and live on bad roads. Single bolt posts with small serations for "micro adjustability" suck in general. You are an engineer as am I and you should have studied their weak design prior to buying. You can write to GM and tell them their cars suck but little will likely come of it. Buy a Thomson post.
Two bolt posts are the way to go. Thomson doesn't make good component groups either but they make the best seat post for the money.
I agree I should have researched first but who would have thought Campy Record seatposts suck. Anyhow, I would love to buy a Thomson but their setback design sucks! Talk about fugly. What I need is a top grade seatpost with 25mm setback in a 31.6mm diameter post with allowance for a 114mm (4.5")minimum insertion into the frame. I had an FSA K-Force and at 4.5" stick out the diameter of the seatpost drops .060". Why FSA does this is beyond me but they do. Now I'm out the price of two seatposts!
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Old 08-27-08, 02:51 PM
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Originally Posted by jberenyi View Post
I agree I should have researched first but who would have thought Campy Record seatposts suck. Anyhow, I would love to buy a Thomson but their setback design sucks! Talk about fugly. What I need is a top grade seatpost with 25mm setback in a 31.6mm diameter post with allowance for a 114mm (4.5")minimum insertion into the frame. I had an FSA K-Force and at 4.5" stick out the diameter of the seatpost drops .060". Why FSA does this is beyond me but they do. Now I'm out the price of two seatposts!
You'll never have to buy another seatpost again.

You will have to skip a car payment or two, however. But what are cars good for, anyway?
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Old 08-27-08, 06:04 PM
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Originally Posted by jberenyi View Post
I agree I should have researched first but who would have thought Campy Record seatposts suck. Anyhow, I would love to buy a Thomson but their setback design sucks! Talk about fugly. What I need is a top grade seatpost with 25mm setback in a 31.6mm diameter post with allowance for a 114mm (4.5")minimum insertion into the frame. I had an FSA K-Force and at 4.5" stick out the diameter of the seatpost drops .060". Why FSA does this is beyond me but they do. Now I'm out the price of two seatposts!
You just need the proper frame size with appropriate sta. We do not agree that the Thomson post is fugly. I ride one therefore it is elegant.
It maybe an acquired taste but functionally it is outstanding and the best post out there structurally in my experience. The kink in the post actually attenuates harshness a bit as well. Yes it is limited on offset.
Let us know what you find and please review it when you do as many including myself are always looking around for a post with the integrity of the Thomson but with more offset. 2 bolt is the only way to go. I won't own another serated one bolt design as they pretty much all work as you reported.

Last edited by Campag4life; 08-28-08 at 06:12 AM.
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Old 08-27-08, 06:51 PM
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I was tempted to get one of those new Campy seat posts. I remember the basic design with one bolt and not serrated worked fine, wonder why they move off that design,

Thats life i guess
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Old 08-27-08, 07:11 PM
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hmmm. I have four of these posts on various bikes. I haven't ever had a second's trouble with any of them (or other campy posts, for that matter). I am not small, either (ahem). The campy posts, along with Syntace, are the closest to their claimed diameter of all of the posts that I measured (check out the Use Alien sometime!)

I'll let you know when it explodes and neuters me.
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Old 08-27-08, 07:41 PM
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Hmmm, all this time I thought I was suffering in solitary silence.

The best two seatposts I own are the old titanium Chorus.

The worst is my Record carbon. Hit a speed bump - new saddle angle. I've been out on rides where I had to stop and re-adjust it every 5 miles. Recently I tried over-torquing it but to no avail. It has found a new home in my parts box.

For grins I thought about replacing the clamps - $65 apiece. More expensive than a newer one with a better design.
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Old 08-27-08, 08:06 PM
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Come on. Everybody with half a brain should realize that a single bolt seatpost with serrations is junk, regardless if it is a cheap "Performanc" generic post or a desigener "Crampanolo".

Virtually all two bolt posts allow infinite adjustment, and don't slip. Just buy something decent, and go ride the bike...
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Old 08-27-08, 08:20 PM
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My Chorus works great, never had any problems.
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Old 08-27-08, 08:55 PM
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And here i am enjoying life with know idea i was risking death & dismemberment! What would we do without aerospace engineers (who apparently need to leave the wrenching to their local bike shops)?
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Old 08-27-08, 09:29 PM
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I have a brand new record seatpost waiting for my new build. Well crap. I thought if the Competitive Cyclist OCP guys say it's great, it's probably good enough for me. What else am I supposed to use for a 32.4mm post?

Is it worth scrapping before I even try it out?
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Old 08-27-08, 09:50 PM
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I have record Ti and chorus carbon X2. Saddle angle slipped once on the first ride with a new saddle on one of the chorus ones, tightened the bolt and never slipped again for the last 2 years. I usually have the saddle all the way back and the weight is back there.

I must be doing something wrong?

Record Ti is my favorite by far.
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Old 08-27-08, 10:37 PM
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I ride campy on all of my bikes...some would say i'm a campy man. That being said, Thomson is the only way to go on seatposts!
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