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Integrated seat post (ISP) frame


EggsBox
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Does anyone have any experience with an ISP (Integrated Seat Post) frame? I assume the seat post need to be "cut"? Frame is on the way, but I thought I'll get some info while waiting :)

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OK. Is is a Chinese import.

 

Is it best to send it to the LBS, i.e. will they KNOW what to do or is there a DIY manual?

 

Much appreciated!

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Wrap the piece of post you're going to cut in masking tape before you cut it, it will stop the fibres from fraying. And give you something to make your mark on. Also make sure you use a new fine hacksaw blade.

 

And yes, measure 10x, cut once.

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Also suggest getting the Park Tool saw guide to make sure that your cut is straight and square with the frame.

 

When cutting these frames you need to ensure that the seatclamp rests on the post, although manufacturers claim a certain degree of tolerance it is much better to ensure that the clamp sits hard on the frame

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Crazy thought: If it is cut to short, can't you cut it down and use a normal seatpost with a normal clamp? Defeats the ISP idea but at least you can still ride the bike? If you cut a groove in the seatpost and add a clamp to grip the seatpost.

or won't it work as the seat tube is not re-inforced to take a seatpost?

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That can be done when somone really messed up, WR 1.0.

 

Can be tricky if the seat tube is in a flat aero type of shape, you'll most likely loose that shape then.

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... or when you buy a bike and get your measurements wrong? Like me!

Confused trouser inseam with cycling inseam, 7cm short!

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Crazy thought: If it is cut to short, can't you cut it down and use a normal seatpost with a normal clamp? Defeats the ISP idea but at least you can still ride the bike? If you cut a groove in the seatpost and add a clamp to grip the seatpost.

or won't it work as the seat tube is not re-inforced to take a seatpost?

 

Some manufacturers were bright enough to make a short section above the top tube round so that you can do this, bit not all.

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