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Are they an advancement in design or a solution in search of a problem?
Looking at some Trek road bikes and this seems to be the only real difference between two I'm considering.
Is limited replacement post options and not being able to put the bike in my workstand worth the claimed extra compliance when riding?
Way too much of a faff IMO.
The trek 'no cut' isp is different in that its adjustable.The 'post' slides over the top and is available in 2 different lengths and offsets.
I've had both types (Madone 6series and Tcr Sl).
The trek system is in reality (unless you are very short) just like a normal seatpost.
I've ridden otherwise identical bikes (TCR Sl) one with isp,one without and I could'nt tell any difference through my bum parts.
I have a 2013 Madone with no cut mast and will lightly clamp it in a stand to work on it. I won't apply torque to it, but as it has a press fit bottom bracket there are no twisting forces anywhere on the bike really.
It's absolutely no problem to live with, although still not sure what problem it's solving...
I have a trek madone 6 and (I think) the advantage is the level of compliance you gain with the no cut mast, it does seem to flex a huge amount and definitely seems to smooth the road out. I like it.
On the geometry spec, it gives a max and min saddle height. Is this range covered by the supplied mast or does it need the accessory mast to reach the higher settings?
You're all out on your isp equipped bikes aren't you.
Shameless bump.
I'm just curious to know if the full 100mm of saddle height adjustment mentioned on the spec sheet is achieved with the stock seatmast.
Cheers.
I've got a much less adjustable ISP and have never thought of it; just set it and forget it. Not a major upgrade, or a massive deterrent, just the way the bike is made.
I appreciate that once I've got the right height, it gets left there but I dis read on a forum elsewhere that it needs a new $100 seat mast for the upper end of the range, but shortlyafter, someone else said iit didn't. Just wondered if any of the owners here could confirm or deny.
I don't know about the trek seatmast, but mine is 3 years old and it's really not a problem.
I've got an ISP on a Wilier Cento1- awesome frame. Good things are the comfort, solid feel (kinda like it's more connected) and it's a smidge lighter. Downside is that it's a right royal pain in the ass to fit in a bike box. Not impossible but adds 15 mins to packing. Would I buy another? Not sure.
Love them.
Have a Trek mtb with a semi integrated and a Ridley road bike with a full ISP.
From an aesthetic view I think they're great, would avoid if you travel a lot as not too many bike bags are designed for them.