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Serotta "Heads Up" Head tube extender...(9 posts)

Serotta "Heads Up" Head tube extender...asphalt assault
Jun 3, 2003 5:34 AM
I'm looking at this item as a fix for a fit problem that I have but I just can't seem to get myself to cough up 60 bucks for a little titanum seems a little steep for such an item.

Can anyone "sell" me on this thing?...or explain to me why the thing is so pricy?

Does any one else make/sell such an item? I'v looked all over the WWW and it looks like the only one that makes such a thing is Serotta.
re: Serotta "Heads Up" Head tube extender...Steve Bailey
Jun 3, 2003 5:59 AM

You've got the wrong sized frame and instead of buying a new frame that's the correct size - at what ?, $1000 or so ?, you're balking at forking over $60 for an extension that may well save you $940.

I don't exactly see the problem, although you could also get a new fork with a longer steerer tube and a lot of stack spacers. That would still set you back $300 or so.

Serrota can charge whatever they damn well please as their the only one who makes exactly what you need.

Steve B.
Grumpy this morning
I figured somone....asphalt assault
Jun 3, 2003 7:53 AM
Would flame me for being a tightwad on this issue.

I guess I have to look at it as forking over 60 bucks to correct the problem rather then forking over 60 bucks for an overpriced piece if machined Ti.

The problem is that I have a 40mm spacer under my stem and The mfr of my fork (carbon steerer) says you should only have 20mm of spacers. I figure I can buy the silly little piece of Ti for 60 bucks (choke) and reduce my spacer to 20mm while keeping my same bar height.
re: Serotta "Heads Up" Head tube extender...KEN2
Jun 3, 2003 6:38 AM
Zoom and Dimension both make cheap ones, they're called steerer extenders. Any bike shop can order one from the Quality catalog--they cost around $20, come in various lengths as well as both black and silver finishes. Serotta's is ridiculously overpriced.
serotta extendertarwheel
Jun 3, 2003 6:52 AM
The Serotta extender only works if you have an uncut steerer tube -- that is, if you're using it to raise your handlebar. It fits between the headset and the headtube, essentially eliminating the need for 2 cm of spacers. If you don't want to spend $60 for the extender, just use more spacers and/or a riser stem.

The reason it costs so much is that it's made by Serotta. Everything they sell is expensive. They've carved a nice little niche for themselves in the bike market by selling expensive, custom fit frames. Seems like someone else ought to sell a less expensive version of the Headsup, but I haven't found one. Profile and some other component manufacturers sell extenders that clamp onto the top of a steerer tube and can extend it by even more than the Serotta one, but they weigh a lot more and look kind of clunky. They can be used to extend a steerer that has been cut too short, however.
Depends on your situation...Fez
Jun 3, 2003 7:00 AM
Quill stem or threadless stem?

If quill, are you are all quilled out? You can try a longer quill with a different angle. Since there aren't that many quill choices these days, you could go to a threadless setup. That costs more.

If threadless stem, you can experiment with longer steerer lengths (2.5cm max for most carbon, longer for alloy) and use 90, 96 or 100 degree stems.

The Serotta definitely looks nicer and *may* add a bit of stiffness if you are quite a bit extended.
Other option. A friend of mine has been using the same...Juanmoretime
Jun 3, 2003 10:37 AM
extender from and his was only $20. He's a candidate for a custom frame and this made a stock frame fit him perfect.
Jun 3, 2003 7:35 PM
found one made by some company called aerolite on ebay. $25 shipped for my frame, 1" headtube, 1cm extension. ithink it's for the website of theire own.

it's not here, yet, though....
Jun 4, 2003 4:16 AM
I sent an email to aerolite, and they charge $30 + $5 shipping for their headtube extenders. From the photo they attached, it looks nearly identical to the Serotta extender, minus the Serotta logo. They also are made of ti, weigh 25 grams and will extend headtube by 2 cm.