Astra
03-12-02, 07:58 AM
Hi guys, what are these ? Is it just tube that is threaded on the inside but smooth on the outside that you thread-lock onto the existing fork threads using the really permanent thread-lock ?
Bicycle Mechanics - Threaded to threadless headset adaptor
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ljbike
03-12-02, 08:21 AM
They aren't threaded on the inside. There is a "Star Nut" that is inserted into the fork. The star nut is threaded and a bolt through the retaining cap holds everything together.
If you have a carbon fork, then there is a off set clamp which fits inside and holds it all together.
I see no real advantage to converting, They don't work any better than a traditional HS.
If you have a carbon fork, then there is a off set clamp which fits inside and holds it all together.
I see no real advantage to converting, They don't work any better than a traditional HS.
stumpjumper
03-12-02, 09:36 AM
I see no real advantage to converting, They don't work any better than a traditional HS.
If you mean convering completely to a threadless setup than I dasagree. They are easire to adjust and maintain and are lighter.
If you mean converting to a threadless stem using an adapter, thats personal opinion. You have a greater ranger of stems to chose from if you go threadless, but to most folks, that sort of thing isnt an issue.
Astra-- I assume your original question is "whats a threadless adapter?" A threadless adapter is used with a traditional threaded hs to give you the ability to use threadless stems. It does not change the hs or steerer in any way. Basicly, it is the lower portion of a quil-type stem mated to a larger diameter shaft that a threadless stem would clamp on to. Performance bike sells em:
http://www.performancebike.com/shop/Profile.html?SKU=1594&Store=Bike
The one in the above example shows a threadless stem bolted to it.
If you mean convering completely to a threadless setup than I dasagree. They are easire to adjust and maintain and are lighter.
If you mean converting to a threadless stem using an adapter, thats personal opinion. You have a greater ranger of stems to chose from if you go threadless, but to most folks, that sort of thing isnt an issue.
Astra-- I assume your original question is "whats a threadless adapter?" A threadless adapter is used with a traditional threaded hs to give you the ability to use threadless stems. It does not change the hs or steerer in any way. Basicly, it is the lower portion of a quil-type stem mated to a larger diameter shaft that a threadless stem would clamp on to. Performance bike sells em:
http://www.performancebike.com/shop/Profile.html?SKU=1594&Store=Bike
The one in the above example shows a threadless stem bolted to it.
MichaelW
03-12-02, 10:45 AM
Very little point using an adaptor to fit a clamp on stem with a threaded headset. There are more than enough trad stems to get one the right size.
Astra
03-13-02, 05:53 AM
Thanks guys, the reason I asked is that having just had my frame and forks restored and resrayed, I need a new threaded headset cos the old one is cream crackered (also really like the new PACE aheadset stem...) and I haven't seen threaded headsets in any adverts anywhere :confused: .
RainmanP
03-13-02, 06:24 AM
Astra,
I have two bikes set up with the quill to threadless adaptors. I like threadless stems with the two bolt handlebar clamp. I wanted to try different stem lengths, and the two bolt clamps allow easy stem changes because you don't have to strip the bar to get it out of the stem. I also found a source of very inexpensive brand name stems, chucksbikes.com, which made it very economical to buy a handful of different stem lengths to play with.
Regards,
Raymond
I have two bikes set up with the quill to threadless adaptors. I like threadless stems with the two bolt handlebar clamp. I wanted to try different stem lengths, and the two bolt clamps allow easy stem changes because you don't have to strip the bar to get it out of the stem. I also found a source of very inexpensive brand name stems, chucksbikes.com, which made it very economical to buy a handful of different stem lengths to play with.
Regards,
Raymond
lotek
03-13-02, 07:10 AM
Astra,
I've seen campy record/chorus/centaur threaded headsets in
some of the catalogues (colorado cyclist, Excel) they also carry
Kris King threadset (threaded of course).
Hope this helps,
Marty
I've seen campy record/chorus/centaur threaded headsets in
some of the catalogues (colorado cyclist, Excel) they also carry
Kris King threadset (threaded of course).
Hope this helps,
Marty
Astra
03-13-02, 07:11 AM
*DOH!* Thanks Lotek, shoulda thought of roady kit, especially as I need a 1". I'll start looking now...
MichaelW
03-13-02, 11:25 AM
3TTT make economical good quality forged stems in 8-14cm lengths.
Stronglight and Campagnolo make excellent tough headsets. Chris King is unbeatable, but you are paying 5 times the price.
When you chose a model, make sure your steerer tube is long enough for the stack heigh of the headset. My steerer is cut too short for many newer designs.
Stronglight and Campagnolo make excellent tough headsets. Chris King is unbeatable, but you are paying 5 times the price.
When you chose a model, make sure your steerer tube is long enough for the stack heigh of the headset. My steerer is cut too short for many newer designs.
g.brew
03-17-07, 06:46 AM
a converted threaded 1" to 1 1/8" has got to be quite stonger. this is more useful for a MTB application, i would imagine.
cyclodan
03-17-07, 06:59 AM
a converted threaded 1" to 1 1/8" has got to be quite stonger. this is more useful for a MTB application, i would imagine.
No , because the steerer tube, bearings and races are all still 1 inch. The only thing you could "convert" is the stem.
No , because the steerer tube, bearings and races are all still 1 inch. The only thing you could "convert" is the stem.
dobber
03-17-07, 07:27 AM
Very little point using an adaptor to fit a clamp on stem with a threaded headset. There are more than enough trad stems to get one the right size.
I'd have to disagree. But subjects like this are like saddle, chain & helmet arguments.
I'd have to disagree. But subjects like this are like saddle, chain & helmet arguments.
MrCjolsen
03-17-07, 09:10 AM
Very little point using an adaptor to fit a clamp on stem with a threaded headset. There are more than enough trad stems to get one the right size.
It depends. I have a large collection of threadless stems. So it makes it easier to swap them out (I'm a bit obsessive about bike fit). If I had a large collection of threaded stems I might think differently.
It depends. I have a large collection of threadless stems. So it makes it easier to swap them out (I'm a bit obsessive about bike fit). If I had a large collection of threaded stems I might think differently.
erader
03-17-07, 10:01 AM
Very little point using an adaptor to fit a clamp on stem with a threaded headset. There are more than enough trad stems to get one the right size.
wow i don't agree. clamp on stems offer waaay more options and are much easier to change out. this is especially handy when first setting up a bike.
ed rader
wow i don't agree. clamp on stems offer waaay more options and are much easier to change out. this is especially handy when first setting up a bike.
ed rader