Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Clydesdales/Athenas (200+ lb / 91+ kg) Looking to lose that spare tire? Ideal weight 200+? Frustrated being a large cyclist in a sport geared for the ultra-light? Learn about the bikes and parts that can take the abuse of a heavier cyclist, how to keep your body going while losing the weight, and get support from others who've been successful.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 04-02-12, 08:56 AM   #1
r32nj
Member
Thread Starter
 
Join Date: Jul 2010
Location: Central NJ, USA
Bikes: 2010 Cannondale Quick Carbon 1
Posts: 31
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Adjusting seat fore/aft tilt on non-adjustable seat post?

Is anyone aware of any sort of gadget/device that can be added to allow fore/aft tilt of a seat to be adjusted on a seatpost that doesn't offer it?

I have a Cannondale Quick Carbon which has an aero shaped post that does not offer tilt adjustment. I just purchased a Selle An-Anatomic saddle - which was very comfortable on it's maiden voyage except that the nose it tilted up to much.
r32nj is offline   Reply With Quote
Old 04-02-12, 09:16 AM   #2
sstorkel
Senior Member
 
Join Date: Apr 2008
Bikes: Cervelo RS, Specialized Stumpjumper FSR Pro, Schwinn Typhoon, Nashbar touring, custom steel MTB
Posts: 5,427
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
In looking at the manual for your bike, it appears that the clamp at the top of the seatpost is an "all in one" model that should allow the angle of the saddle to be changed when the clamping bolt is loosened...
sstorkel is offline   Reply With Quote
Old 04-02-12, 04:46 PM   #3
r32nj
Member
Thread Starter
 
Join Date: Jul 2010
Location: Central NJ, USA
Bikes: 2010 Cannondale Quick Carbon 1
Posts: 31
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Unfortunately it is not that simple. Supposedly you have to BANG off the parts with a mallet to adjust them. Nothing really simple or easy to do while out riding. This is why I was hoping a gadget or custom piece might exist.
r32nj is offline   Reply With Quote
Old 04-03-12, 06:34 AM   #4
cyccommute 
Mad bike riding scientist
 
cyccommute's Avatar
 
Join Date: Nov 2004
Location: Denver, CO
Bikes: Some silver ones, a black one, a red one, an orange one and a couple of titanium ones
Posts: 18,044
Mentioned: 8 Post(s)
Tagged: 0 Thread(s)
Quoted: 216 Post(s)
Quote:
Originally Posted by r32nj View Post
Unfortunately it is not that simple. Supposedly you have to BANG off the parts with a mallet to adjust them. Nothing really simple or easy to do while out riding. This is why I was hoping a gadget or custom piece might exist.
I think you need to look at the assembly again. The manual that sstorkel linked to shows a simple binder bolt and says nothing about hammering on parts.
__________________
Stuart Black
New! Pokin' around the Poconos A cold ride around Lake Erie
New! Dinosaurs in Colorado A mountain bike guide to the Purgatory Canyon dinosaur trackway
Solo Without Pie. The search for pie in the Midwest.
Picking the Scablands. Washington and Oregon, 2005. Pie and spiders on the Columbia River!
Days of Wineless Roads. Bed and Breakfasting along the KATY
Twisting Down the Alley. Misadventures in tornado alley.
An Good Ol' Fashion Appalachian Butt Whoopin'.
cyccommute is offline   Reply With Quote
Old 04-03-12, 06:42 AM   #5
r32nj
Member
Thread Starter
 
Join Date: Jul 2010
Location: Central NJ, USA
Bikes: 2010 Cannondale Quick Carbon 1
Posts: 31
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Trust me. I have changed seats a couple times since I purchased the bike. All the binder bolt does it clamp on the seat to the seatpost. There is NO rotation available when the binder bolt is removed. There are other threads about this "poor" seatpost design but no solution on how to get around it.
r32nj is offline   Reply With Quote
Old 04-03-12, 07:28 AM   #6
IBOHUNT
Senior Member
 
IBOHUNT's Avatar
 
Join Date: Nov 2011
Location: Western Maryland - Appalachian Mountains
Bikes: Motobecane Fantom Cross; Cannondale Supersix replaced the Giant TCR which came to an untimely death by truck
Posts: 3,651
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 18 Post(s)
It appears to me that by loosening the saddle clamp bolt that is pictured on pg 5 of the manual mentioned by sstorkel you can achieve both fore/aft and tilt. I can't imagine a bike company making a seat post assembly that won't allow fore/aft and rotation adjustments.

Take a picture of the top of the seat post for us.

There is even this warning that mentions the saddle can move.

"Incorrect alignment of the saddle clamp parts can result
in the saddle moving unexpectedly while riding. When
adjusting the saddle angle, make sure the saddle rails
on both sides of the saddle are aligned with the inner
and outer clamp on both sides of the saddle. Ask your
Cannondale Dealer for assistance."
IBOHUNT is offline   Reply With Quote
Old 04-03-12, 07:44 AM   #7
indyfabz
Senior Member
 
Join Date: Jan 2010
Bikes:
Posts: 9,601
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 490 Post(s)
Quote:
Originally Posted by IBOHUNT View Post
"Incorrect alignment of the saddle clamp parts can result
in the saddle moving unexpectedly while riding. When
adjusting the saddle angle, make sure the saddle rails
on both sides of the saddle are aligned with the inner
and outer clamp on both sides of the saddle. Ask your
Cannondale Dealer for assistance.
"
Take it back to the shop and have them show you how to do it.
indyfabz is offline   Reply With Quote
Old 04-03-12, 11:11 AM   #8
Mr. Beanz
Banned.
 
Mr. Beanz's Avatar
 
Join Date: Dec 2005
Location: Upland Ca
Bikes: Lemond Chambery/Cannondale R-900/Trek 8000 MTB/Burley Duet tandem
Posts: 20,030
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by r32nj View Post
Trust me. I have changed seats a couple times since I purchased the bike. All the binder bolt does it clamp on the seat to the seatpost. There is NO rotation available when the binder bolt is removed. There are other threads about this "poor" seatpost design but no solution on how to get around it.
You are definitely doing something wrong. The manual would not post this if it wasn't possible. I also have the exact same set up on my wife's bike. I have made a few roadside adjustments with an allen wrench while adjusting the fit.

If I remember corectly, only one side need be loosened to make the tilt adjustment. I don't remember if it was the right or left (I'd bet the right side). I'd mess with it but not wiling to mess up her angle and fit after getting it just right..


saddleangle by mrbeanz1, on Flickr



Quote:
Originally Posted by r32nj View Post
Unfortunately it is not that simple. Supposedly you have to BANG off the parts with a mallet to adjust them. Nothing really simple or easy to do while out riding. This is why I was hoping a gadget or custom piece might exist.
I have made quick one minute adjustments on the road with an allen wrnech, Again, you are doing something wrong.
Mr. Beanz is offline   Reply With Quote
Old 04-06-12, 04:48 PM   #9
r32nj
Member
Thread Starter
 
Join Date: Jul 2010
Location: Central NJ, USA
Bikes: 2010 Cannondale Quick Carbon 1
Posts: 31
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I took the seat completely off my bike today and the two metal pieces on the sides of the seatpost DO NOT MOVE. I tried turning them with everything I could that would not damage them - even tried to pop them off with a wooden dowel and a rubber mallet and they are not budging. This is exactly the same problem I saw others complaining about when I googled this issue.

http://forums.teamestrogen.com/showthread.php?t=39017

I will take it to the bike shop at some point but I was really hoping to have a way to make minor adjustments myself as the new saddle I am trying (Selle AnAtomica) really needs to be tilted down a little.
r32nj is offline   Reply With Quote
Old 04-06-12, 08:37 PM   #10
CraigB
Starting over
 
CraigB's Avatar
 
Join Date: Jun 2005
Location: Indianapolis
Bikes: 1990 Trek 1500; 2006 Gary Fisher Marlin; 2011 Cannondale Synapse Alloy 105; 2012 Catrike Trail
Posts: 4,081
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I wonder if it's simply seized up from galvanic action or corrosion of some sort. Maybe once "persuaded" to come apart it should have a light coating of grease or something before mating the parts back together again. Just a thought.

I'll be really interested in hearing the LBS's take on it.
CraigB is offline   Reply With Quote
Old 04-06-12, 09:07 PM   #11
Mr. Beanz
Banned.
 
Mr. Beanz's Avatar
 
Join Date: Dec 2005
Location: Upland Ca
Bikes: Lemond Chambery/Cannondale R-900/Trek 8000 MTB/Burley Duet tandem
Posts: 20,030
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
This is from the bontrager site......Did you try aapplying pressure directly above seat clamp. According to the diagram, there are compression wedges present.

http://media.bontrager.com/owners_ma...r_Seatpost.pdf

To adjust the saddle tilt
1. Loosen the saddle clamp bolt several turns.
2. While tilting the saddle, apply pressure to the top of the
saddle directly above the saddle clamp
.
Pressure on the saddle helps release the compression wedges.
3. Tilt the saddle to the desired angle.
4. Follow the Inspection
Mr. Beanz is offline   Reply With Quote
Old 04-07-12, 12:23 PM   #12
sstorkel
Senior Member
 
Join Date: Apr 2008
Bikes: Cervelo RS, Specialized Stumpjumper FSR Pro, Schwinn Typhoon, Nashbar touring, custom steel MTB
Posts: 5,427
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Quote:
Originally Posted by CraigB View Post
I wonder if it's simply seized up from galvanic action or corrosion of some sort. Maybe once "persuaded" to come apart it should have a light coating of grease or something before mating the parts back together again. Just a thought.
This was my first thought as well. Given the unique design of the clamp, I could easily see a mechanic forgetting to grease the required parts. Probably not a bad idea to call the shop or the manufacturer and ask about the problem. If it's something that comes up frequently, they might have advice on fixing it...
sstorkel is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 05:17 PM.