Bicycle Mechanics - 1" Steerer tube. What to do?
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09-26-04, 02:28 AM
I've got an old Bontrager Titanium bike that unfortunately has a 1" steerer tube. I was wondering if it would be possible to buy a new 1-1/8" fork and have it machined to fit my 1" tube? Other than that do I have any options?
Are you looking for a suspension or rigid fork?
If you're looking for a rigid fork, you have a few choices. Check out Kinesis. They make their Maxlight forks in both 1" and 1-1/8" steerers. Tange also has a cheap generic 1" rigid fork. I personally would check out Morati and get one of their titanium forks to match that Bontrager Ti Lite frame. Just remember that if your frame was made for front suspension, you'll need a suspension corrected rigid fork.
For suspension forks, you are rather limited to finding an older fork and rebuilding it or you may want to check out Marzocchi. It looks like you can special order a 1" steerer fork from them or use a kit of some sort (http://www.marzocchi.com/template/detailSPAFAQ.asp?IDFolder=159&IDOggetto=8115&LN=UK&Sito=mtb&mCO=ucmPhhfuuj%602%2FJoufsp2%21BTD%2D%21ucmPhhfuuj%2FJoufsp3%21BTD&mCW=%21BOE%21ucmPhhfuuj%2FJoufsp2%21%3E%218357&mCJ=%21JOOFS%21KPJO%21ucmPhhfuuj%21BT%21ucmBsfb%21%21PO%21ucmPhhfuuj%2FJoufsp2%21%3E%21ucmBsfb%2FJEP hhfuup%21%21JOOFS%21KPJO%21ucmPhhfuuj%21ucmPhhfuuj%602%21PO%21ucmPhhfuuj%2FJoufsp2%21%3E%21ucmPhhfuu j%602%2FJEPhhfuup%21).
Also, are you willing to swap out your headset? Is your current one threaded or threadless? If it's threaded and you aren't horribly attached to it, then you might want to consider swapping it for a threadless one as that will open up a few more possibilities.
09-26-04, 03:49 AM
machining is out of the question, there is simply not enough material. if you have access to a lathe, you could machine a new one, as long as the triple clamp will accept a tube swap. most these days are bonded, but older ones are held by circlips or pinch bolts. there are few suspension forks still marketed with 1" steer tubes, but nothing that i know of in a caliber worthy of a titanium frame. go rigid and make a singlespeed out of it!
I've got an old Bontrager Titanium bike that unfortunately has a 1" steerer tube. I was wondering if it would be possible to buy a new 1-1/8" fork and have it machined to fit my 1" tube?
I have a steel frame with a 1" headtube. I bought a set of Pace RC35 forks off ebay for £67 and ended up spending another £140 converting them to one inch. Luckily Pace keep spares for all their old models (there are ~1993!) and I purchased a new crown, bolts, steerer, brace, brake bosses and a set of elastomers :).
I'll post a pic later on - they are great forks but only have about an inch and a half of travel but that is perfect for my style, basically XC, and doesn't throw the geometry out much at all.
09-26-04, 10:19 AM
Get yourself a nice rigid fork, some old Scott handlebars, and throw on a Brooks saddle to give it a timely retro look.
If you get RST's high end fork, the Aero or something like that, its about $250, weighs about 3.4lbs w/ a steerer, and the best part is, all RST steerers are modular. So you order the steerer for whatever size/threaded/unthreaded you need. For 250 it looks like a good shock and about your reasonably priced option.
09-30-04, 08:24 PM
Marzocchi has you covered. Every year it seems, they make a model that has the 1" steerer tube option--no conversions, no kits. For 2005 the the MX Comp models can be ordered in 1". So you can get a modern suspension fork, if you'd like. And I think you can also convert their other forks with a kit if you choose.
There's a lot of folks out there with Bontragers and other 1" bikes in the same pickle. I guess Marzocchi recognized the need, although word hasn't seemed to spread very well.
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