Sounds a lot like too much tension on the spokes. Adam Maas wrote: > What are you doing to your poor wheels? I'm hard on wheels (~250lbs > and not a finesse rider) and I get at least 2-3 years out of a set of > machine-built wheels. Handbuilt wheels should last until you wear > through the rim barring accidents. My current commuter ride has 3 > years on a XT/Mavic X517 combo at the rear. 32-spoke 3x of course. The > front got rebuilt after 10 years (Bad bearings meant a new hub, needs > replacement though, the rim is not entirely true anymore). > > -Adam > > On 12/17/07, Polyhead <[EMAIL PROTECTED]> wrote: >>> I need to rebuild the wheels on the commuter which has no problem with >>> hills, no >>> they never broke, but over 15 years the spokes have stretched (I keep tight >>> wheels) to the point where they come through the nipples. Yes the factory >>> should >>> have used 2mm shorter spokes but I imagine the automatic wheel building >>> machine >>> would have had problems with them. I am also going to put alloy rims on the >>> 3-speed, so another spoking job. Then there is the junk Raleigh I want to do >>> something with. I guess I will have enough to keep me busy for the winter. >>> >> 15 years?? I'm lucky to get a year out of a back wheel. Right now running >> a shimano XT hub laced up to a mavic cxp33. I"ve gotten a year and a half >> out of that and i'm impressed with it. Mind you, i think what does it out >> here are the hills. Its 450ft of elevation change between work and home, >> and its not just straight up hill it wanders. There are a couple of places >> i top 30mph and that seems to kind of ruin the rim. Between climbing hard >> and decending fast the spokes start to pull through the rim. Had to go with >> a mavic rim this go around because velocity deep v's were on like infinite >> back order. >> >>> Graywolf >>> Website: http://www.graywolfphoto.com >>> Blog: http://www.graywolfphoto.com/journal/ >>> ----------------------------------------------------------------------- >> -- >> PDML Pentax-Discuss Mail List >> PDML@pdml.net >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. >> > >
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