Ashley Sayers Posted June 13, 2010 Report Share Posted June 13, 2010 i tryed drilling small holes next too the nippes of my back wheel because its too heavy , when i did this it slipped around every were, does any w no any way of stopping the drill bit from slipping around on the rim and scathing it Quote Link to comment Share on other sites More sharing options...
LukasMcNeal Posted June 13, 2010 Report Share Posted June 13, 2010 Use a pillar drill. And is it really worth it? You'll save next to nothing in weight! Quote Link to comment Share on other sites More sharing options...
Ashley Sayers Posted June 13, 2010 Author Report Share Posted June 13, 2010 well i did it to the side walls of my disk wheel and it made a hell of a difference Quote Link to comment Share on other sites More sharing options...
LukasMcNeal Posted June 13, 2010 Report Share Posted June 13, 2010 well i did it to the side walls of my disk wheel and it made a hell of a difference Really? Quote Link to comment Share on other sites More sharing options...
Ben John-Hynes Posted June 13, 2010 Report Share Posted June 13, 2010 Make pilot holes with something, and work from there. Quote Link to comment Share on other sites More sharing options...
LukasMcNeal Posted June 13, 2010 Report Share Posted June 13, 2010 Where do you mean inbetween spokes or too the sides? See pic... 1 or 2? Quote Link to comment Share on other sites More sharing options...
Will Arnold Posted June 13, 2010 Report Share Posted June 13, 2010 use a centre-punch you bodgers Quote Link to comment Share on other sites More sharing options...
Ashley Sayers Posted June 13, 2010 Author Report Share Posted June 13, 2010 2 just ever side of the nippels Quote Link to comment Share on other sites More sharing options...
LukasMcNeal Posted June 13, 2010 Report Share Posted June 13, 2010 2 just ever side of the nippels Theres no point really but as said already use a pillar drill if you can or centre punch a guide. Quote Link to comment Share on other sites More sharing options...
Leistonbmx Posted June 13, 2010 Report Share Posted June 13, 2010 If a pillar drill isn't drilling onto a flat edge the drill piece flexes and the hole looks pretty gash after. Quote Link to comment Share on other sites More sharing options...
mods Posted June 13, 2010 Report Share Posted June 13, 2010 If you start with a small enough drill bit you wont have a problem. Your just not holding it still by the sounds of it. I've never slipped on metal. Maybe that some with experience. I personally wouldnt bother drilling it though. Quote Link to comment Share on other sites More sharing options...
Simpson Posted June 13, 2010 Report Share Posted June 13, 2010 (edited) Edit: Dont bother Edited June 13, 2010 by Simpson Quote Link to comment Share on other sites More sharing options...
philgresty Posted June 13, 2010 Report Share Posted June 13, 2010 just do it from the outside(rim tape side) use a screwdriver and a hammer to punch it so the drill bit doesnt slip, did a mavic this way a while ago, worked a treat Quote Link to comment Share on other sites More sharing options...
Rob Leech Posted June 13, 2010 Report Share Posted June 13, 2010 (edited) if its still built up, mark out your centers properly, center punch em, stick the hub axle in a vice, hold onto the rim and use a hand/pistol drill to drill em. shudn't be much need for a pilot hole on these as you wont go above 6mm anyway (or shudnt do ), id personally go straight through with a 5mm, would take plenty of material off and would look nice if you managed to put a slight (6-7mm) countersink on the outside. No need for a pillar drill for the insides, might even be a problem finding one you'd even fit the rim in that way, know mine wouldnt go that high . Josh. EDIT- Why not take the rim tape out? would make things easier for you Edited June 13, 2010 by Rob Leech Quote Link to comment Share on other sites More sharing options...
Akira_Shock! Posted June 13, 2010 Report Share Posted June 13, 2010 save yourself the effort and save over 200g by replacing both tubes with ultra light ones. Quote Link to comment Share on other sites More sharing options...
Shaun H Posted June 13, 2010 Report Share Posted June 13, 2010 When I did my rear rim (I did 4 holes around the spoke hole) I made up a little template/jig, centrepunched each hole and then rinsed through them all on my dad's pillar drill. Even then it took a LONG time, not sure if I can ever be bothered to do it again! Quote Link to comment Share on other sites More sharing options...
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