Adjusting seat post clamp angle

MajesticDonkey

The saddle was originally pointing downwards. After fixing it (or what I thought) during last week, it slipped into it's "proper" position during the ROK yesterday. By proper, I mean the angle that the saddle rails are attached to the seatpost. It's now pointing up at about 10-15 degrees.

How do I adjust the component that the saddle rails sit on? (don't know what it's called) As far as I can tell, it is adjustable.



Thanks!

Al Wright

I'm not sure on that particular model. It appears that the position of the saddle and its angle are clamped by the (6mm) Allen key visible in the photo. If you loosen the Allen key it should be possible to slide saddle fore and aft on the rails. Also the chances are that the inner surface of the clamp is serrated (indexed) so that the angle of the saddle can be altered in small increments.
It sounds like the clamp may not have been fully tightened thus allowing the angle to change while riding

MajesticDonkey

Sorry, I should have been more clear in my explanation...

When I remove the metal clamps at each side (with the 6mm allen key), there is an indented "rail" that the saddle rail sits into. It's that component that it sits on that I want to twist to change the angle.

GTDolanator

Dont remove the silver clamp.slacken off the 6mm allen bolt and try move the saddle to desired position,then tighten up the clamp

But be carefull your working with carbon you dont wanna go too tight,ideally a torque wrench is needed

MajesticDonkey

GTDolanator wrote: »

Dont remove the silver clamp.slacken off the 6mm allen bolt and try move the saddle to desired position,then tighten up the clamp

The problem is, there are indented rails on the part between the seat post and the saddle rails that the rails sit in, so the saddle slides along that. It's the angle of that indented rail that's the problem. It's hard to describe! :mad:

C3PO

Loosen the bolt until the saddle angle can be adjusted. Move the saddle to horizontal (or pointing down a degree or two). Then tighten the bolt again. There will usually be a torque value close to the bolt. If not - it needs to be tight but not so tight as to sheer the bolt!
There are only really 2 reasons for it moving - either it's not tight enough or the splines (for want of a better word) are worn and are not binding against each other!