If you Want some One to Make some custom Wheels I Hope you have a lot of Cash $$$$ I Just Bought a BILLETT of 10 inch x 8 Inch Magnesium
** AMS 4350 ** That's an Automotive Grade Magnesium And the Cost of it was $600.00 US .
Run Time on a MACHINING CENTRE to Machine Say 6 Spokes and Drill and tap the Hub would be About 4 Hour's And Turning Time on a CNC Lathe to Machine the O/D and Tire fit would be At least Another 4 Hours Throw in Another Two Hour's to develop the CNC Program on MasterCam as well.
You would Be better off As Borderline Said and Get some allready Made AfterMarket wheel's.
Nobody makes custom cut Magnesium wheels that I know of... I can't even imagine what that would cost!
If I remember, a set of custom cut aluminum rims (chromed) ran close to 10g's from a manufacturer in Eastern Canada (Toronto?)... I wish I could remember who... He did one of Billy Lanes bikes. Rims were SICK!
All the custom cut rims are for show... They don't undergo any real structural testing like forged race wheels. Do the right thing and get some proper rims.
I was thinking more along the race style rims...but I have odd sizes 120/80 up front and 130/80 in the rear(off the top of my head)...but I have heard what a difference light weight wheels can make in everything from acceleration to handling...I want usability not show
The smallest rear rim in Carbon is 5.5" for a 180 tire. Cost is fairly prohibitive at around 5 grand. Dymag makes magnesium wheels that are cast. They come in an assortment of sizes including what you need (4" ?). The only style though is the 3 spoke classic design. Cost is around $2200 usd. Check out Dymag.com for more info.
Can you do a swap to some wheels off of a racing bike of some class?
And just what bike is this for? If it's a grey market small bike then something like 250GP wheels would be sweet.
Or go for spoked wheels built up from some slick Excel rims, anodized CNC hubs and light guage spokes. Spoked wheels like the motards and dirtbikes use are quite light. But they may not have the correct look you want I'd guess.
And while lighter wheels ARE a great option you won't really feel the improvement unless it's part of an overall upgrade to the suspension in concert with the wheels.
And of course all the options talked about here are going to cost you more than the bike is worth. And I don't even need to find out what bike you have to safely make this claim. In fact depending on the options your new wheels may well be more costly than a newer bike.
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