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rim tape
 formerwsp520 member offline
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posted 7/26/2017
at 2:02:30 PM
viewed 1496 times
I had to remove old rim tape from my rear rim (Mavic) branded Bontrager. It is a wide rim off of a 2008 Trek 520. The spoke holes are drilled off center and actually ride partially up the non-drive side of the rim. My problem is, no matter what tape I use, within about 20 miles of riding the tape shifts to the drive side uncovering a crescent of the spoke hole resulting in flats. Originally there was a dried glue on the inside of the rim which I cleaned off and now even Velox moves. IS there a glue that will work long term for this? I'm getting quite a collection of poke-a-dotted tubes. I run Gatorskins which are very hard to put on, but necessary due to a recycling plant on the only road I have into Madison and there is a TON of broken glass on the route. Could the mounting of the tires actually be the problem. I have re-centered an earlier strip (a plastic one) I tried after mounting and had it move while riding.
thread edited on 7/26/2017 at 2:04:05 PM

 rmillay member offline  
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posted 7/26/2017
at 4:35:04 PM
post #1 viewed 1483 times
It sounds like the rim tape you are using is too narrow (it does come in different widths). An alternative is individual plugs for the spoke holes. I have no personal experience with those.

 formerwsp520 member offline
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posted 7/26/2017
at 4:45:39 PM
post #2 viewed 1479 times
Thanks for the reply. Velox 19mm was too wide, some store branded 18mm slipped badly 16 mm Velox is close, but will slip. Thinking about the plugs, but don't know how they will work since the holes actually go partially up the inside radius of the rim. The Velox slipped so badly it was hard to get the bead off of the side it slipped to.

 vkan member not displaying online status
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Lynskey Cooper
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posted 7/26/2017
at 4:55:39 PM
post #3 viewed 1477 times
According to Trek's archives, that bike used Bontrager Maverick rims, which are 622x18mm, which I assume means the inside width between the rim's hooks is 18mm. Depending on the shape of the bed of the rim, I would expect that to use 21mm or wider rim tape/strips.

If you are using something narrower, that would leave more room for it to squirm.

It might be worth trying tape/strips meant for 29" MTB rims, which are also 622mm.

Maybe try Stan's 21mm or 25mm (if there is a deep center channel in the rim?) wide rim tape, which requires two layers for high pressure road wheels. If you stretch it tight when applying, its adhesion is pretty strong, moreso than Velox (especially if the Velox is older stock?). If you are already using 22mm Velox, then certainly try 25mm Stan's.



 vkan member not displaying online status
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Lynskey Cooper
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posted 7/26/2017
at 5:00:43 PM
post #4 viewed 1476 times
Whoops, I see you already found 19mm Velox too wide. It may still be worth trying 21mm Stan's--it is very thin and flexible compared to Velox and may conform to your rim's profile more closely and actually fit.

Another alternative is to try a Ritchey 622-17 rim strip. It is also much thinner than Velox, but does a good job in my experience.

www.biketiresdirect.com/product/ritchey-snap-on-rim-strip-700c
post edited on 7/26/2017 at 5:00:55 PM

 raymondj member offline
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posted 7/26/2017
at 6:32:28 PM
post #5 viewed 1468 times
Even though you removed old glue from the rim, there might be some leftover residue.

I laced up a new rim earlier this month (Velocity Dyad). I used 90 percent rubbing alcohol after building the new wheel to remove any grease that got onto the rim. I use grease on the threads of the spokes and where the nipple goes into the spoke hole on the rim, and it gets all over when building the wheel.

After cleaning the wheel with rubbing alcohol, especially the surface between sidewalls, I wiped it off good with a clean dry rag, many times. Then I let it air dry in the bright sun for awhile. After that, I installed 22mm Velox rim tape onto the rim. The tape fills the entire rim flat surface from sidewall to sidewall so there is no place for the tape to slip side to side. Your rims must be pretty narrow if the Velox 19mm won't fit. Either way, try the alcohol cleaning.

Just a side note, one time I tried a Performance house brand rim tape, and could not get it to stick to the rim. Whatever factory provided stick surface was on that rim tape was not enough - YMMV.

 formerwsp520 member offline
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posted 7/26/2017
at 8:41:21 PM
post #6 viewed 1461 times
Thanks for all the ideas! I like them all and will give then all a try in some kind of order. The stickers on the rims were partially missing, but the Maverick reminder was great one - that's what they are. I will give the inside of the rims a good cleaning, order a few types of rim strips and hopefully I won't have to hone my tire changing any more. The Velox I had purchased seemed old and wasn't very sticky. Thinner strips won't break my heart as difficult as the Gatorskins are to mount. Did get a tube change down to about 8 minutes though.

 raymondj member offline
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posted 7/26/2017
at 10:13:45 PM
post #7 viewed 1455 times
I have an old Bontrager Maverick rim sitting in my bike parts leftovers. It was formerly on a 1997 Bontrager Privateer MTB. I pulled up one end of the Velox rim tape and measured the width and it is 22mm. It fits perfect over the entire rim surface, sidewall to sidewall. That tape was on that rim for over a decade and never moved and never had a spoke hole puncture of the tube. If you use 22 mm Velox rim tape on a Maverick rim, it will not move side to side because it will have no where to move to.

 ric1spd member offline
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posted 7/27/2017
at 9:02:23 AM
post #8 viewed 1443 times
I had 3 flats during a cross ride, figured out that sharp edges on some of the spoke holes caused the flats. Sanded all the holes and the mobile mechanic advised using Gorilla tape. So far, working well, no issues.

 formerwsp520 member offline
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posted 7/27/2017
at 9:30:48 AM
post #9 viewed 1440 times
Thanks for all of the advice! I had only tried a little of the 19mm tape and after a good cleaning re-installed it ( had only used a few inches around the valve stem hole. It comes really close to the side of the rim, partially covering the flat area where the bead sits. Hopefully that will take care of the problem.

After looking carefully at the dish on the inside of the rim I think I know why the tire is almost impossible to put on from the drive side - the deepest part of the dish is almost to the non-drive side by the spoke holes (off set), and with the Gatorskins being difficult any way, the bead would be pulled farther out trying to install the tire from the drive side, much like using 1/8th inch rim tape..

Again, Thanks for all the advice!!
post edited on 7/27/2017 at 9:34:37 AM
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