- Layback Seatpost
singletracksurfer – Member
loadsa people use 'em. if you need more reach its a good way to go.
No, it you need more reach get a longer stem.
However as the OP say he is perched on the back of the saddle then he needs to get behind the BB a bit more for a more natural pedal stroke, anyhow the Thomsons are nice, some people hate the design I like them.Posted 8 years ago
I am quite tall with long limbs and I'm finding that I have to perch on the back of my seat when I'm in XC mode on my Cannondale Prophet. Pedalling doesn't seem natural if I don't. The saddle is already at the end of the rails, so I was thinking about one of these seatposts or something similar
Does anyone have an opinion/suggestion. What would the side effects of a layback post? Lighter front end?
As ever, thanks for the help.
AndrewPosted 8 years ago
Thanks guys. To answer some questions:
I put a shorter stem on it because I felt too far fwd on steep descents and I wanted a faster steering response. I use the bike for DH too…. after all, it's supposed to be all mountain.
Another thing is, pulling the front up to get over obstacles is also tricky. This tells me that too much weight is on the front or perhaps, I am still too far fwd. Not balanced well enough? Maybe I should get a stem with an rise in it?
Getting behind the BB is the key. A longer stem would move me fwd again.
I checked the seatpost. It's a straight. In house C3.
Frame is a largePosted 8 years agosingletracksurferSubscriber
didn't say it was necessarily right, just lots people prefer to have layback than longer stem – especially as most XC bikes will have a stem around 100mm as spec anyway. As FR says longer stems slow steering.
some folk say your knee should be over the pedal axle when your foot is horizontal (3 o'clock position).Posted 8 years agojamesMember
a shorter stem means a quicker response and more weight over the front so less nice IMHO to climb on!
Bikes are all one big compromise. I'd suggest if you want more space in the top tube and are thinking about a seatpost with a little more layback, also get a longer stem so that the overall balance on the bike is still in about the same placePosted 8 years ago
I'm on 175mm cranks at the mo, but that seems OK. It's just when seat is up and I'm pedalling I don't see to be getting everything out of my legs and my bum wants to move back.
I'll check the knee position tomorrow.
Do you think that a stem with a rise would help?
Of course this could be my lanky body just not fitting or perhaps the Prophet frame is a compromise between XC and DH.Posted 8 years agomarkenduroMember
Don't bother with the thomson one if you really want a layback stem. They are a lovely piece of engineering but the layback puts the seat in exactly the came place as a normal seatpost as the clamp is directly in line with the centreline of the post, compare it to this to see what I mean:Posted 8 years ago
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