Framebuilders - sloping fork crown for 24mm round tubes?

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white folks
11-24-08, 12:27 AM
I believe I have seen these on kierin bikes as well as on some italian track bikes. I think i've seen one on a guerciotti too. anyone know where these are sold?

white folks
11-24-08, 06:34 PM
no one? hmm. i guess my next plan is oval the blades for the top 4" or so. my plan is to take 6" of 4x4" hardwood and bore a 1" hole down the center, then split down the center. Then put in a hydralic press and smoosh it oval. I can only guess that this is how some oval / round tubes are formed. I imagine this is done before the blades are raked, which is opposite in my case. once again i will blunder my way thru it...
white folks
11-26-08, 02:24 PM
making it oval with my ghetto mandrel i hear is a no-no...so ...

ANYONE...sloping crown for 24mm round blades?

acorn_user
11-26-08, 07:09 PM
Tried Ceeway, Nova or UBI? Don't have any other ideas. Sorry.
white folks
11-27-08, 02:22 PM
yeah, no go. I'm just bummed. thanks you though.
Scooper
11-28-08, 10:51 PM
There's a Cinelli track fork crown for 22mm round blades on eBay:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=150312810390
twoflats
12-13-08, 08:02 AM
I ran across this on the Long Shen site and remembered you asking about one.

http://www.longshen.com.tw/products_view.asp?Pidno=200606150047

It's 23mm round (not 24mm), and I think they may have another round leg sloping crown.

http://www.longshen.com.tw/Products_list.asp?FKindNo=F000181&SKindNo=S000390
ultraman6970
12-20-08, 11:07 AM
U can do that thing with the wood but i would use a vise. It works because i have see it with my own eyes. U can get 24 mms oval / round at the ends fork blades anyways.