sheppie62 Posted November 10, 2004 Share Posted November 10, 2004 Are these larger or smaller than 15" rims and by how much? Is it possible to machine them smaller in the tire groove to act as bead locks? Link to comment Share on other sites More sharing options...
northguy Posted November 10, 2004 Share Posted November 10, 2004 The problem with them is the cost of the tires to put on them. Link to comment Share on other sites More sharing options...
operose Posted November 10, 2004 Share Posted November 10, 2004 are you asking if it'd be possible to machine 390mm rims to use a 14 or 15" tire? if that is in fact what you're asking, i don't know the answer, but maybe this will help clarify the issue? Link to comment Share on other sites More sharing options...
calebz Posted November 10, 2004 Share Posted November 10, 2004 390s are aproximately 15 1/4 inches Dunno about machining them though. Link to comment Share on other sites More sharing options...
mcbrat Posted November 10, 2004 Share Posted November 10, 2004 if you took off a 1/8" all around the groove where the bead sets, and 1/8" all around the outside edge (rim) on both sides, a 15" tire should in theory fit then. not sure if taking 1/8" off the groove would affect the stability of the wheel or not. wouldn't really help much as far as acting like a beadlock though. don't think that 1/8" extra lip is gonna stop much if your aired down enough to need bead locks. or if you're cornering fast enough to need bead locks. Link to comment Share on other sites More sharing options...
All_talk Posted November 10, 2004 Share Posted November 10, 2004 I've thought about cutting some down to 15" but haven't got a chance to spec them out yet (somebody wanna give me a set ). It's really a question of there being enough material left to be safe. My new lathe should be here soon... anybody feeling like a Guinea pig? Gary Link to comment Share on other sites More sharing options...
bajavwnsoobnut Posted November 10, 2004 Share Posted November 10, 2004 I was thinking of doing that for the last few years cause that would give us another option and yeah they are approx. 15 1/4 inches so just taking off the extra material would make it to fit 15 inch tires on and just remember to do all the champhers and stuff so it seats correctly Link to comment Share on other sites More sharing options...
sheppie62 Posted November 10, 2004 Author Share Posted November 10, 2004 Yes, that is what I was thinking. Possibly notching the inner bead seat to fit 15" and maybe cutting and drilling the outside for a 15" bead locker ring. Link to comment Share on other sites More sharing options...
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