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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Stem: How do I ?
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Author Topic: Stem: How do I ?  (Read 1079 times)

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Offline Stace

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Stem: How do I ?
« on: September 26, 2007, 08:52 AM »
Guys n Gals,

Now then, Now then.......

How do I make a 22.2 stem into a 25.4 ?  Can I get a shim or summin ???

Much Ta'ness
Stace  :)

Offline Philbert

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Re: Stem: How do I ?
« Reply #1 on: September 26, 2007, 11:15 AM »
22.2 clamp on or shafted?

SaMAlex

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Re: Stem: How do I ?
« Reply #2 on: September 26, 2007, 11:19 AM »
Handle bar stem   or   seat "stem" (seat post)?

Offline Stace

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Re: Stem: How do I ?
« Reply #3 on: September 26, 2007, 11:20 AM »
Sorry Shafted Handlebar Stem  :)

Offline Philbert

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Re: Stem: How do I ?
« Reply #4 on: September 26, 2007, 11:26 AM »
i can't think of anyway that you can!

i'm assuming you want to drop a shafted stem into 1"1/8' forks or am i mixed up. the problem wouldn't be with a shim, the problem would be locking the headset down

SaMAlex

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Re: Stem: How do I ?
« Reply #5 on: September 26, 2007, 11:34 AM »
Or do you wanna run a shafted 1" stem in threaded (shafted) 1 1/8 forks?

Ive done that on some threaded 1 1/4 forks. (MTB frame and forks, BMX stem). I just made a massive shim out of ally.

Offline Philbert

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Re: Stem: How do I ?
« Reply #6 on: September 26, 2007, 11:37 AM »
can you get threaded 1 1/8 forks? i've never seen any!

Offline Stace

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Re: Stem: How do I ?
« Reply #7 on: September 26, 2007, 11:41 AM »
Right this is where you all lose interest .........  :LolLolLolLol:

Its on a beach cruiser that needs 'customising'  :-[ ::) ??? :-[ , A bmx just isn't cricket when out with the family, I can't keep up   ::) ....so I imported this......







Its currently got a 25.4 handlebar stem but I want to swap it for one that will take some big arse apehanger bars.  The poxy little stem on it at the moment won't cut the mustard.  So I was going to get one of these off of ginny ?






Any ideas?............Are you even still there ? :LolLolLolLol: :LolLolLolLol:


Ta
Stace  :)

Offline Philbert

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Re: Stem: How do I ?
« Reply #8 on: September 26, 2007, 11:53 AM »
they're threaded forks from the look in the pic. stick a shim in there like alex said and your laughing all the way down the promenade

SaMAlex

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Re: Stem: How do I ?
« Reply #9 on: September 26, 2007, 11:55 AM »
can you get threaded 1 1/8 forks? i've never seen any!

Oh C.B.C.L .... you youngster you!  :LolLolLolLol:

When "over sized" first came out (not on BMX's) there were 2 sizes: 1 1/8 and 1 1/4". They both still used shafted stems and threaded headsets, and still had the same problems of stear tube bends due to the restrictions of an internal stem shaft. 1 1/4 was for your full on down hill MTBs and 1 1/8 was for cross country MTBs. When A-head came out, it solved the problems of bending headtubes so everyone ended up going with 1 1/8th (after trying clamp on 1" as well).

I have got a MTB that is 1 1/4 threaded and I use it for riding around on. I didnt like the very long reach stem it came with so I put a BMX stem on it ... with a massive shim.


SaMAlex

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Re: Stem: How do I ?
« Reply #10 on: September 26, 2007, 12:00 PM »
You can get a shafted "converter stub" that wedges into a threaded fork like normal, but there isnt any head to it. you can then clamp on any A-head stem you like. You might not get a cool looking one like the ones you pictured, but its another option.

Offline Stace

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Re: Stem: How do I ?
« Reply #11 on: September 26, 2007, 12:13 PM »
....and your laughing all the way down the promenade

 :LolLolLolLol: :LolLolLolLol:


Thanks Gents  :daumenhoch:

Offline CD17

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Re: Stem: How do I ?
« Reply #12 on: September 26, 2007, 12:47 PM »
Yes my first MTB was a 93 Kona Lava Dome & this had a 1 1/4 threaded forks & a 1 1/4 quil stem so they do make them, but you may have to hunt a while to get one.

Offline Philbert

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Re: Stem: How do I ?
« Reply #13 on: September 26, 2007, 01:52 PM »
can you get threaded 1 1/8 forks? i've never seen any!

Oh C.B.C.L .... you youngster you!  :LolLolLolLol:



why thankyou very much for the complement!

what sort of year we talking about? i first started work in a bike shop in the summer of 96. i remember the canondales using 1 1/4. they probably still do! i know some downhill companies use 1 1/4 now but most are 1 1/8. we were only just heading into the realm of the clamp on stem so it must be around thenish. a guess at 93/94 maybe? educate me alex!

SaMAlex

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Re: Stem: How do I ?
« Reply #14 on: September 26, 2007, 01:59 PM »
yah, the whole of the 90s were just a blur to me. I cant tell you the dates!  :LolLolLolLol:

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Stem: How do I ?
 

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