Singlespeed & Fixed Gear - Gyro

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Austin Rice
06-17-09, 11:51 PM
Is it possible to put a gyro onto a fixie so that the bike will have a front brake and the ability to do barspins on? Thanks.
P.S. My head tube is 8.25" tall/long and 1" inside diameter. Takes a threaded fork. Thanks!
dougland89
06-17-09, 11:55 PM
get out of here. oh and fixie isn't a word.
did i mention get out?
yeah get out.
go talk with your kind: http://www.tricktrack.org/
Severian
06-18-09, 01:29 AM
No, that's not how a gyro works. A gyro is designed for the rear wheel and with some sort of on-frame support for the cable housing.
Since you're using a threaded headset, and not a threadless bmx headset, you won't be able to have a front brake and do barspins. The topcap on a BMX headset is oversized and the bolt for that headset has a hole in the center through which you send your brake cable.
Also, good luck finding a straight-legged, threaded 1" fork with brake posts. And a fork with brakes (whether center-pull, or linear-pull, or even U-brake) won't be able to do barspins on a track, touring or road geometry bike.
in short... no.
max-a-mill
06-18-09, 05:53 AM
i have seen a front brake cable routed though the steerertube. then you can spin to win!
adriano
06-18-09, 09:29 AM
i have seen a front brake cable routed though the steerertube. then you can spin to win!
does anyone have pictures?
Thetank
06-18-09, 09:35 AM
I thought this was about greek food! :D
jpdesjar
06-18-09, 09:49 AM
same here
it's almost lunch time so i immediately thought food
adriano
06-18-09, 09:57 AM
i prefer its middle eastern cousin.
jpdesjar
06-18-09, 09:59 AM
i could go for some falafel right about now
Cynikal
06-18-09, 10:00 AM
^agreed
CliftonGK1
06-18-09, 10:00 AM
Since you're using a threaded headset, and not a threadless bmx headset, you won't be able to have a front brake and do barspins. The topcap on a BMX headset is oversized and the bolt for that headset has a hole in the center through which you send your brake cable.
Also, good luck finding a straight-legged, threaded 1" fork with brake posts. And a fork with brakes (whether center-pull, or linear-pull, or even U-brake) won't be able to do barspins on a track, touring or road geometry bike.
in short... no.
I'll agree about the fork, but not the cable routing. Back in the mid 80s there were no threadless headsets, and that's when the Potts mod came about.
The27jeenyus
06-18-09, 10:12 AM
http://farm4.static.flickr.com/3585/3459776566_21476cc08a.jpg
http://farm4.static.flickr.com/3605/3459772416_dc354b78c9.jpg
not mine
If you've got a threadless headset drilling a hole in the top cap and routing the cable through there also works. Pretty similar to the pics above, but with no special hardware required.
veganwar
06-18-09, 12:01 PM
Probably also a 1 1/8 headset too. Wasn't the Milwaukee Cycles trick by also being sold with the option of a headset like the one pictured above?
stewardmike03
06-18-09, 12:24 PM
You need the potts mod topcap, bolt and starnut for 1 1/8" period. You need an 80's ish BMX stem or potts mod bolt/wedge (unless your wedge is the same angle and thread) for 1" period. Any other advice is horse puckey. Any of which should be available through Ebay or Danscomp.com or albes.com.
A gyro CAN be used for rear brakes with minor modification.
To use either potts mod setup you will need to invert the cable attatchment points on the arms of your brake.
A 650c wheel may be needed to clear the frame...it will take some trial and error work but it isn't hard.
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