Skyhawk GT2 headset size???

Discussion in 'Bicycle Repair' started by SOMF, Sep 19, 2014.

  1. SOMF

    SOMF New Member

    I am in the process of building a Skyhawk GT2 but I am having a lot of trouble getting a fork set up. Does anyone know what size the headset is? I have been measuring the head tube with calipers and I can't seem to find any head sets that match. The frame tube almost looks like it is set up for slip in bearings (no cups) but the cheesy bearing set that came with it has cups. HELP! I want to get her on the road...
     

  2. Timbone

    Timbone Active Member

    Headset is 1 1/8" threadless. The headset was included but you will need a threadless stem.

    Bottom bracket is set up for the old school one piece with press in cups.

    Important: my GT2-A frame had female thread: a fine thread 1/8 plumbing thread. A lot of different ways to do it but you will need some kind of sealant to prevent leakage.

    Hope this helps!

    =Timbone=
     
  3. SOMF

    SOMF New Member

    Thanks Timbone. I actually like the old school bottom bracket, nothing wrong with bigger bearings and it is a piece of cake to bend the crank arms out to clear the centrifugal clutch and pull start. I was hoping to find out a specific bearing for the headset so I could possibly upgrade. I bought a Cave Creek 1-1/8" threaded set but the press in cups are too big, the OD is almost the same as the frame head tube OD so no way they are going in there. The ones that came with the frame pressed in fine but I can't seem to find a match for a replacement/upgrade set. For the forks I have a set of the Monark 1 springers I want to use. They have a 1" threaded tube that is too short so I ordered a cheap BMX fork with a 9-1/2" threadless tube that I plan to cut off and then put over the Monark tube. The Monark being 1" OD and the BMX tube being 1" ID. I plan to drill a few 1/4" holes in the center of the BMX tube and then when it is set I can plug weld then so the tube never slips. I hope this works since I really like the Monark forks!
     
  4. SOMF

    SOMF New Member

    Putting a 1-1/8" threadless steerer tube worked perfect! I now have a set of Monark 1 springers on my Skyhawk GT 2. It was a bit more work then I had hoped but it wasn't that bad. As for bearing size, I ended up using what came with the frame except I added some dust seal from a threaded headset I already had. Finished 1.jpg Finished 2.jpg Finished 3.jpg Motor 1.jpg Seat.jpg
     
    Last edited: Sep 28, 2014
  5. Timbone

    Timbone Active Member

    Looks good!
     
  6. highstrung74

    highstrung74 New Member

    i was wondering where you purchased the adapter for front disc for the monark fork as i NEED to get one for my build.please lemme know how to go about getting one so i can complete my gt2 build w/disc brakes.thanks in advance
    Dallas Dean
     
  7. highstrung74

    highstrung74 New Member

    more importantly the build looks great...how does she handle with the front fork?
     
  8. SOMF

    SOMF New Member

  9. schwinn123

    schwinn123 Member

    What kind of disc brakes did you put on the front of this? Bike looks killer by the way!
     
  10. SOMF

    SOMF New Member

    Disc brakes

    I don't recall the brand of disc brake, it was a generic I purchased on Ebay. Thanks for the compliment, I am in the process of building up a new motor, so far it is Japanese bearings, polish all ports, balanced and trued crank and billet head for starters.
     
  11. Monza Mike

    Monza Mike New Member

    Heaset ?

    Hello I would like to know if a 1 1/8 heaset will fit this frame .. Mine came with headset but was missing the bearings. If a normal MTB 1 1/8 headset will fit then no problem
    Thanks in advance
    PHP:
     
  12. Timbone

    Timbone Active Member

    It's set up for a 1 1/8" threadless headset. Not a great set up but it will work.
     
  13. Large Filipino

    Large Filipino New Member

    Thanks for this thread. I wasn't aware that Monarch made this threadless too.
     
  14. Monza Mike

    Monza Mike New Member

    Just curious ... why is it " not a great set up " ?
     
  15. Timbone

    Timbone Active Member

    That was the bicycle rider in me coming out with that comment. Ha! The threadless headset design of which we speak is GREAT for a road bike application - lightweight and more than strong enough for racing bicycles. But a 60-70 lb bike revving out at 25-35 mph really stresses the headset. Hard braking and rough pavement can move the star nut around and make setting the headset difficult. But this can be dealt with.
     
  16. Large Filipino

    Large Filipino New Member

    I was looking into the treadless design because they make a GPS tracker that fits in the fork.
     
  17. schwinn123

    schwinn123 Member

    SOMF, trying to figure out a pair of triple trees with a 1 inch steerer to fit into this frame, what a pain! How did this work out for you?, Sliding the steerer off another fork over and plug welding into place. Im going insane trying to get something to work for me. Any help would be appreciated. thanks!
     
  18. sawdust

    sawdust Member

    Just wanted to let you know that I like your bike. Very nice tension-er set up, where did you get it from? Is the chain rubbing the back tire sidewall?
     
Loading...