Jun 4, 2003 9:09 AM
|I have Shimano 7701 and I occasionally find it frustrating when I have to fix a flat because of the deep-dish rims. I may be weak, but I was wondering if I could use Downhill tire levers to help me? here's the site. http://www.bikepartsusa.com/product_info.phtml?p=01-138489|
|For 16 bucks, they ought to come out and change it for you...||retro|
Jun 4, 2003 10:38 AM
|I'm sure it would work, but jeez--$16 for a tire lever? I'd buy a cheap screwdriver and grind it to shape....
A possible (and cheaper) solution: I have the same problem with one set of mountain bike wheels. I must've broken three or four plastic levers on them. I finally bought (for 2 bucks in a grocery store) a set of those old-fashioned steel levers. They were a little crude, but I smoothed the edges with a fine file and I've used them for several months. If you don't like the grocery store angle, Rivendell (and some bike shops, I'm sure) sells nicely finished Eldi steel levers for $5 or so.
|like everything, there's a trick to it.||jw25|
Jun 4, 2003 12:57 PM
|I too had much frustration with plastic levers in my youth. I've rounded the tips off a couple sets of levers, and snapped a few, too.
Then I refined my technique a little, and all is well.
First, let as much air our of the tube as possible. Even to pushing on the tire to get a little more out - especially with larger volume tires (mountain/cross).
Then, work your way around the beads, pressing them into the center of the rim. This should loosen things up, to the point where some tire/rim combos can be removed without levers. Not all, though, nop matter what the magazine "experts" say.
If you need levers, the trick is this: Insert one under the bead, but don't flip it yet. Insert another lever about 3-4 inches from the first, make sure both are seated under the bead, and flip both at the same time. If you can't, move one lever a little closer, and try again.
With this, I've had no more problems with breakage, and you get enough of the bead over the rim that it won't collapse back inside.
Once a section is off, you can grab it by hand and pull down, and usually the second bead is no problem.
This worked even on Michelin tires and Sun rims, which make for a very, very tight mix. I even needed levers to get the tire back on - pretty much works in reverse, but for some reason it's harder on the levers, so be careful, and work on smaller sections if you must. I try to walk away if a bead is being stubborn. 5 minutes later, your fingers have recovered, and usually things pop right into place.
Hope this helps.
|Crank Brothers Speed Lever||cycle63|
Jun 4, 2003 6:33 PM
|I would recommend buying a Crank Brother's Speed Lever. It sells for around $6-8. Taking a tire on and off is a breeze with it. It basically works like the device you use for car tires but is small enough to fit in a jersey pocket. I never ride without one.|
|2nd the Speed Lever, it works great on my Shimano 535's (nm)||Scot_Gore|
Jun 5, 2003 6:39 AM
|3rd and 4th the speed lever recommendation, but...||JS Haiku Shop|
Jun 5, 2003 6:52 AM
|i've had good luck with a single tire lever. it's a Nashbar brand lever, and came as a set of three. i'm using only one. has worked fine with OPs, CXP21s, and CPX33s.
many broken and snapped levers are in my sordid ("tired"? LOL) past. i thought the speed lever solved my problems, but it seems a change in technique did the trick. i can't explain it so well--you probably have to see it. i just deflate the tube fully, get the lever seated under the bead, pop the bead over the rim, push the lever toward the hub, and go around the wheel along the rim, sometimes twice. beats the heck out of anything else i've tried, and the tire usually comes off very quickly. getting it back on the rim is another story.
park levers, OTOH, turned out to be garbage.