Need help identifying these Rigida rims
07-17-18, 10:50 AM
#26
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Thanks @steelbikeguy excellent info
The VAR tool is actually a bead jack/tire jack as well, you just need to remove the inner lever. It always worked for most (not all) of my needs. It doesn't allow you to get the leverage of the Kool Stop or Bike Hand Variations, so risk of damaging your rim is reduced (along with the effectiveness, but I prefer no-damage-ness over effectiveness).
The VAR tool is actually a bead jack/tire jack as well, you just need to remove the inner lever. It always worked for most (not all) of my needs. It doesn't allow you to get the leverage of the Kool Stop or Bike Hand Variations, so risk of damaging your rim is reduced (along with the effectiveness, but I prefer no-damage-ness over effectiveness).
(the links to the image keep breaking, so here's the url for the image...
https://c1.staticflickr.com/5/4182/3...3f83dd_z_d.jpg )
I can't imagine what it would take to damage a rim with any of these tools. I can, however, imagine what it is like to not be able to get a tire on a rim, and I'm happy to say that I've had better results with the Kool Stop and the Rose Bikes tool than the Var. I seem to have too many oversize rims, from the Sun CR-18 to the Torelli Master to the Ambrosio 19 Extra.
(the link to the image has broken twice, so here's the url for the image...
https://c2.staticflickr.com/8/7350/2...06e943_z_d.jpg )
Steve in Peoria
Last edited by steelbikeguy; 07-17-18 at 02:16 PM. Reason: restore the broken links for the photos, which then promptly broke. Inserted url's instead.
07-17-18, 10:56 AM
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Like others, I've used levers to lift the bead over the rim during tire installation. When the tire is a very tight fit on the rim, however, this risks pinching the inner tube (been there, done that). The use of a tire jack avoids that problem.
Steve in Peoria
07-17-18, 01:58 PM
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Have you ever had issues with the short hinged part ("D") causing pinch damage on the tube? Maybe it's more rounded than it appears on the picture here, where it comes in contract with the rim to slide the bead up.
Seems like this would work really well with more-aero rims like Sun Mistral and Wolber TX Profil. Does it work well with boxed shape rims with a short sidewall/braking surface?
Seems like this would work really well with more-aero rims like Sun Mistral and Wolber TX Profil. Does it work well with boxed shape rims with a short sidewall/braking surface?
It's definitely not intuitive! I've made a scan of the instructions. It is unique because the tool is positioned within the wheel (i.e. under the rim) when it is used. This means you can't just slide it along the rim when moving from position to position, because it runs into the adjacent spokes.
Steve in Peoria
Steve in Peoria
07-17-18, 02:04 PM
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Best logical guess - at most basic level, a lever is a one-piece simple machine used to lever-age against something, jack usually being a 2+ piece (hinged) unit used to apply leverage in lifting?
07-17-18, 02:25 PM
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Have you ever had issues with the short hinged part ("D") causing pinch damage on the tube? Maybe it's more rounded than it appears on the picture here, where it comes in contract with the rim to slide the bead up.
Seems like this would work really well with more-aero rims like Sun Mistral and Wolber TX Profil. Does it work well with boxed shape rims with a short sidewall/braking surface?
Seems like this would work really well with more-aero rims like Sun Mistral and Wolber TX Profil. Does it work well with boxed shape rims with a short sidewall/braking surface?
Curiously, the only aero rims I have are some Velocity Aeroheats, and I've never had any trouble getting a tire on them.
Steve in Peoria
