The Street > The Bike Shop
is anyone still making 7075 stems?
Bunky:
--- Quote from: G on March 14, 2016, 09:52:20 AM ---
Tree may do their collet stem in 7075 (if they still make it?)
--- End quote ---
I heard a rumor that it was discontinued due to problems with the bolt holes stripping out... but don't know how much truth there is to that since it was just a rumor.
They still have them on their website, and they are currently on sale on their webstore, though.
streetStreet:
--- Quote from: G on March 14, 2016, 09:52:20 AM ---Stems are a pain.
With the high bars people run now it is asking a hell of a lot for any stem to clamp the bars properly without crushing the clamp area. If you use 7075 then the extra hardness (and its a lot) makes it harder for the knurling to bite in, so you need more pressure to get the same kind of grip... having said that, the extra strength means that a 7075 stem is less likely to slip IF you can get the tension just right so that it doesn't crush the bar and isn't too gentle so the bars slip and chew it out before you get that far. I think that 6061 is a "safer" bet for most riders and will get the necessary grip more easily without the rider going too far and crushing the bars.
Tree may do their collet stem in 7075 (if they still make it?)
SO WHAT ARE YOUR THOUGHTS ON A LARGER CLAMPING ARE eg those guys from europe.
:)
G.
--- End quote ---
TerribleAtreyu:
The only stem cap that I ever end up cracking in half by just tightening it was made of 7075 Al. but I fuck with my bar angle a lot so that thing has definitely been through its cycles.
I ended up putting on an old 6061 Al. cap on which has easily seen more abuse, but that one only seems slightly bent/stretched.
I also noticed the bars slipping less often using the softer alloy stem cap.
A stronger 7075 body (to prevent breaking and pinching at the steerer tube) with a (perhaps replaceable) 6061 cap sounds like a good idea to me.
slvtn:
--- Quote from: Narcoleptic Insomniac on March 12, 2016, 10:44:56 AM ---Thomson is 7000 series i believe.
--- End quote ---
It is. Clamping is superb, too. Had nothing but good experience with that thing.
dersou ousala:
only one answer : Challenger stem.
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