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Old 05-06-05, 08:52 PM   #1
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Any DIY tools for installing this?

well, i'm having trouble installing Star Fangled Nut into my weyless cf fork with alu steerer. the thing is.. i don't have the tools for it. so i'm wondering if someone on here has any DIY ideas or tools they made to help with this installation.
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Old 05-06-05, 09:05 PM   #2
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Here's my redneck solution: went to Home Depot and gotr a metric bolt and a few washer and two nuts. Basically I beefed up the bolt. Threaded it into the starfangle nut and hammered it in just enough to get it started. Then I took a deep socket that just fit inside the steerer and hammered it in about 15mm depth. Now you can get the special tool for less than 10 bucks or have a LBS do it for about 15. Reason I did it this way was I wanted to put the fork on and it was a Sunday with no shops open.
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Old 05-06-05, 09:12 PM   #3
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capwater.. that sounds like a great idea. but i just remembered.. i need to get a stem first along with some spacers and then cut the steer tube then install the flange nut. sigh...
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Old 05-06-05, 09:40 PM   #4
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I just did the same thing and it worked smooth. I have pictures if you're interested

Last edited by djbrod; 05-06-05 at 10:57 PM.
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Old 05-06-05, 09:41 PM   #5
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djbrod.. yes please post some pics... it would be helpful!
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Old 05-06-05, 09:49 PM   #6
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On their way...
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Old 05-06-05, 10:18 PM   #7
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I took the star nut to the hardware store to get the right bolt. I was looking for anything with a good flat surface to tap with a hammer.

I used the washers as a stop to indicate I was at the right depth.

The stack of three nuts gave me a depth close to 14mm . I was aiming for 15mm and felt this was close enough and erred on the right side to correct it later if necessary.

The first shot is the start nut screwed on to the "tool":


The second shot shows the nut installed and before removing the tool:


The third shot shows after I had unscrewed the tool:


The last shot is me checking the depth with calipers. You could do this using any stick and measuring device. Put the stick on the top of the nut, mark the top of the steer tube on the stick and measure with what ever is handy:


It went very smoothly for me considering it was my first time installing a star nut. I was concerned about keeping the bolt centered to make the nut leveled. I tapped the washers to move it back and forth a little but found it pretty much centered itself. I had no problem installing the top cap and adjusting the headset with it.

...And since I just finished the build an hour ago and I've already cluttered this post with pictures, here's the new ride. Maiden voyage is tomorrow :

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Old 05-06-05, 10:29 PM   #8
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Quote:
Originally Posted by veneer
capwater.. that sounds like a great idea. but i just remembered.. i need to get a stem first along with some spacers and then cut the steer tube then install the flange nut. sigh...
Don't get in too big of a hurry to cut the steerer tube. Every bike mechanic I know (except of course for the liars) admit that they have a too short steerer tube somewhere in their history. Dry fit everything together and mark where the steerer tube exits the stem with a pencil. Cut a few millimeters below that line.
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Old 05-06-05, 10:56 PM   #9
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No need to be so elaborate on this installation. I've always used the supplied cap/stem bold to simply hammer in the star nut using a rubber mallet. Always gone in straight and square into the steerer tube. Also simply eyeball the depth of the nut..... you'll do fine...
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Old 05-06-05, 11:18 PM   #10
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thanks guys.. i will be sure to remember that. going to homedepot tomorrow... at least get the stuff ready first..

now i'm just waiting on GVH to call me so i can place a buildkit order with them. i hate waiting...... grrr...
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Old 05-07-05, 02:16 AM   #11
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If you ever put a riser on the bike (probably not you, but the next owner) and the nut isn't in perfectly straight then problems can arise. But don't worry, this method should be fine.
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Old 05-07-05, 02:28 AM   #12
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Note what djbrod did with leaving some steerer for a spacer at the top of the stem. This is a good idea with a new bike as it gives you some margin for raising your stem simply by swapping the spacer(s) from the top to the bottom or vice versa to lower the height. This allows you to ride the bike that way and get used to the positioning so you can decide how you want to fine-tune. Later on once you're comfortable with the handlebar height, you can go back, pound the starfangled nut in further if need be and then cut off the steerer that's not needed to make your topcap flush against the stem.
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Old 05-07-05, 04:01 AM   #13
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Quote:
Originally Posted by khuon
Note what djbrod did with leaving some steerer for a spacer at the top of the stem. This is a good idea with a new bike as it gives you some margin for raising your stem simply by swapping the spacer(s) from the top to the bottom or vice versa to lower the height. This allows you to ride the bike that way and get used to the positioning so you can decide how you want to fine-tune. Later on once you're comfortable with the handlebar height, you can go back, pound the starfangled nut in further if need be and then cut off the steerer that's not needed to make your topcap flush against the stem.
You can always shorten the steerer more but you can't make it longer (no puttin' on tool).
The old carpenter's saying 'measure twice, cut once' applies.
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Old 05-07-05, 11:00 AM   #14
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yup.. i think i will just pound the nut in about 10mm or so, this way i can play around and adjust if needed. for sure i will measure twice cut once.
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Old 05-07-05, 03:04 PM   #15
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1" diameter or so wooden dowel might work....

[edit; thanks to kuhon, or a 7/8" dowel for a 1" steer tube]

Last edited by BostonFixed; 05-07-05 at 03:26 PM.
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Old 05-07-05, 03:09 PM   #16
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1" diameter or so wooden dowel might work....
This assumes the steerer is 1-1/8". Best to measure the ID if going this route.
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Old 05-07-05, 03:16 PM   #17
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When I cut my steerer I allowed an extra 3/4 inch. That accounts for 3 spacers. I'm still playing around; sometimes 1 spacer on the bottom and 2 on top, etc. Once I find the right combo I may cut it. Then again having a couple of spacers on top of the stem ain't the worst thing in the world. Also plans for the future if I ever want to swap the fork to a different fram whose headtube might be a tad bigger.
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Old 05-07-05, 03:45 PM   #18
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i'll probably be going with 3 spacer route as well.. going to pick up the carbon spacers from supergo now..
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Old 05-07-05, 09:16 PM   #19
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here's an update... for the part about cutting the steerer... i measured twice and cut once. all is done in 1 try, no kidding. then just when i thought, hey this isn't so bad... i tried to install the star-biatch flange nut... and then spent the last 2 hrs trying to get that sucker to come back out cuz it wasn't squared. on top of that, i ended up make 3 scratches to the alu. lower steerer part. what a biatch! tomorrow, i'm going to performance and let them install it for me. sigh...
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Old 05-08-05, 03:49 AM   #20
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The star nuts do not come back out the way you put them in. The sole purpose of them is NOT to move up the steerer on the fork (if they did then the entire headset would get loose). The best (and probably only) way to get them out is to hammer them all the way down the fork, and out the bottom. And get a new one, don't re-use it!
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Old 05-08-05, 10:53 AM   #21
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matheprat... i got the star nut back out.. used a metal chopstick and pound it from the bottom of the fork back out to the top. i know it's not suppose to come out.. but it's out now... time to go to performance...
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Old 05-08-05, 03:56 PM   #22
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Sounds...painfull. Did you not think to knock it out the other way? I hope you haven't damaged the inside of the steerer. Glad you got it out anyway
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Old 05-08-05, 04:14 PM   #23
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it's all done now. spent $5 to get a new bolt and star nut installed. now the whole fork, headset, etc.. is done. and what a beaut!
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Old 05-08-05, 08:22 PM   #24
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Why even mess with a star nut? Put one of the expanders in there (especially with a carbon steerer tube!!), and don't worry about pounding it in crooked, scratching the tube, or not being able to get it out. FSA is a good source for these.
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Old 05-08-05, 08:26 PM   #25
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Quote:
Originally Posted by gcthree
Why even mess with a star nut? Put one of the expanders in there (especially with a carbon steerer tube!!), and don't worry about pounding it in crooked, scratching the tube, or not being able to get it out. FSA is a good source for these.
Because the guy has an aluminum steerer...

Quote:
Originally Posted by veneer
well, i'm having trouble installing Star Fangled Nut into my weyless cf fork with alu steerer.
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