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-   -   keeping the schraeder~persta valve adapter installed (https://www.bikeforums.net/mountain-biking/603385-keeping-schraeder-persta-valve-adapter-installed.html)

adamant 11-17-09 07:29 AM

keeping the schraeder~persta valve adapter installed
 
Is there a down side on keeping the adapter installed while riding? My pump is set up for schraeder only.

Ziemas 11-17-09 07:33 AM

Not that I ever noticed.

ed 11-17-09 08:26 AM

There are plastic ones that will save you at least 2-9g over the brass adaptor. A definite must!!

fc_ 11-17-09 09:09 AM


Originally Posted by chelboed (Post 10042485)
There are plastic ones that will save you at least 2-9g over the brass adaptor. A definite must!!

True, but a brass one can be melted down and forged into a spare link if needed. +1 for emergency preparedness! ;)

4evrplan 11-17-09 11:01 AM


Originally Posted by fc_ (Post 10042720)
True, but a brass one can be melted down and forged into a spare link if needed. +1 for emergency preparedness! ;)

Okay MacGyver, do you cast parts on the trail?

lubes17319 11-17-09 01:09 PM

That must be why he always has a lighter & a spoon on hand.

victim 11-17-09 01:28 PM

I'd be worried about affecting the balance of the wheels. No go in my opinion.

thompsonpost 11-17-09 02:51 PM


Originally Posted by victim (Post 10044215)
I'd be worried about affecting the balance of the wheels. No go in my opinion.

On a mtn bike. Sure.

mcoine 11-17-09 02:57 PM

just curious.. what biking specific tire pump only has a schrader fitting?

Thor29 11-18-09 12:12 PM

There's no downside at all, but I would keep the presta valve closed until you need to air up.

RB1-luvr 11-18-09 12:22 PM

install the adapter somewhere else? if there's a screw somewhere on the bike that can be substituted with a longer one so some threads protrude, then screw the adapter to that. you might already have enough threads protruding somewhere.

or put a screw through a chainstay or seatstay fender mounting hole with the adapter as the nut. lots of possibilities.

bikinfool 11-18-09 01:37 PM

Change the pump to presta. You pump up your car tires with the same pump?

OLDYELLR 12-04-09 09:24 AM


Originally Posted by RB1-luvr (Post 10049323)
install the adapter somewhere else? if there's a screw somewhere on the bike that can be substituted with a longer one so some threads protrude, then screw the adapter to that. you might already have enough threads protruding somewhere.

Exactly! That's what I did on one of my bikes in case I ever needed to pump up a tire at a gas station. The Presta thread is and oddball one and you won't find any screws on your bike with that same thread. However, I did find I was able to thread the adapter on to the end of a clamp-on FD cable guide screw, even though the pitch was a bit different.

-_RebelRidin'_- 12-05-09 12:38 PM


Originally Posted by 4evrplan (Post 10043422)
Okay MacGyver, do you cast parts on the trail?


you mean to tell me you don't?


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