Wow, that's great news Garth! I'll submit a warranty claim and see what they come back with.
Please stop by for a ride and your chicken dinner next time you are in the Slocan Valley in British Columbia. Cheers, John On Thursday, January 30, 2025 at 1:58:58 PM UTC-8 Garth wrote: > Ohhhhhh ...... that's a bummer John ! I'm not sure where the line is > drawn between spirited riding and rim cracking as far as warranty goes but > Velocity has always been stellar in replacing cracked rims for people. I > mean, rims bending from "reasonable" spirited riding is one thing but > cracking doesn't usually happen suddenly. The cracking could have already > started before the ride, unnoticed, and not until you rode harder was > enough to effect the of alignment. Considering Velocity's history of > cracked rims from many a different forum discussions, I bet they'll replace > it without fuss. > On Thursday, January 30, 2025 at 4:22:53 PM UTC-5 John Rinker wrote: > >> An update from the 'Live and Learn' files... >> >> After spending some time this morning playing with the wheel, I finally >> got it to an acceptable place. True within 0.5mm and a spoke-tension >> balance I could live with. Here are the latest values within 20% variance: >> [image: Screen Shot 2025-01-30 at 1.10.47 PM.png] >> With a spring in my step and a whistle on my lips, I removed the wheel >> from the truing stand only to discover (Garth: Winner, winner, chicken >> dinner!) that the rim was indeed at fault. A long, hairline crack in the >> sidewall! Ha! >> >> Well, at least I got a lot of practice in and feel like a slightly more >> competent wheel builder as a result. And, I'm glad to be part of a universe >> that has a sense of humor! >> >> Cheers, John >> On Thursday, January 30, 2025 at 10:19:26 AM UTC-8 John Rinker wrote: >> >>> Thanks Bill. Well said! I'm headed to my shop now to see what >>> compromises I'll have to make with the wheel, but 'having a little too much >>> fun' ain't one of them! >>> >>> Cheers, John >>> >>> On Thursday, January 30, 2025 at 9:21:00 AM UTC-8 Bill Lindsay wrote: >>> >>>> I take it as a fundamental principle, without proof or derivation, that >>>> a perfectly straight rim can be held perfectly straight with even spoke >>>> tension. The corollary to that is that a warped rim will absolutely >>>> require uneven spoke tension to hold it straight. That's the way the >>>> world >>>> works, in my view. >>>> >>>> So, if you build a brand new wheel with a very good rim, you can likely >>>> end up with very even spoke tension. If you take that wheel to the >>>> Arizona >>>> dessert and have a little too much fun and knock it way out of true, it >>>> very likely will require uneven spoke tension to hold it straight again. >>>> If it's straight and the tightest spokes aren't much too tight, then >>>> you're done. Ride it. Nothing is likely to blow up on you. Keep a spoke >>>> wrench in your seat bag and continue to have a little too much fun. >>>> Someday you'll buy a new rim and build a new wheel. That's it! >>>> >>>> Bill Lindsay >>>> El Cerrito, CA >>>> >>>> On Thursday, January 30, 2025 at 9:08:17 AM UTC-8 John Rinker wrote: >>>> >>>>> Thank you Michael and Garth. >>>>> >>>>> Michael, I have followed your suggestions and the tension values on >>>>> the wheel look much better (I'd prefer a little higher tension on the >>>>> non-drive side- say, the upper 60s) but at least there's consistency. The >>>>> problem now is that the wheel is no longer true. I'm going to play with >>>>> this a bit more today. >>>>> >>>>> New values with 15% variance: >>>>> [image: Screen Shot 2025-01-30 at 9.00.29 AM.png] >>>>> Garth, The rim was new in 2019 and has seen a lot of rough miles. >>>>> This is, however, the first time I've had to play with it (re-true) since >>>>> building it then. Seems a short life for such a rim if, in fact, the rim >>>>> is >>>>> the issue. >>>>> >>>>> The following was taken from Aljaz Trenta's 'Spoke Calc' website >>>>> <https://spokecalc.io/spoke-tension-you-say.php>: >>>>> >>>>> Advice: would you sacrifice an even spoke tension for a perfectly true >>>>> wheel? In my opinion that is not a compromise to be taken. If not pleased >>>>> with the wheel trueness, I would rather advise a client to dump the rim >>>>> and >>>>> replace it with a new one. >>>>> >>>>> Thank you both for weighing in. I'll update you on my progress. >>>>> >>>>> Cheers, John >>>>> >>>>> On Thursday, January 30, 2025 at 4:16:09 AM UTC-8 Garth wrote: >>>>> >>>>>> >>>>>> John, Seeing the values have changed so drastically I would be >>>>>> inclined to look at the rim itself also. >>>>>> Let's day, if you built an assumably perfectly manufactured rim with >>>>>> that variety of tension it wouldn't be straight laterally or radially. >>>>>> That >>>>>> it *is* now straight with that wildly varying tension, points to the >>>>>> rim. >>>>>> >>>>>> >>>>>> On Wednesday, January 29, 2025 at 9:27:51 PM UTC-5 Michael Connors >>>>>> wrote: >>>>>> >>>>>>> The drive side looks ok. You could probably loosen the high one 1/4 >>>>>>> turn. The low tension spokes on the left are next to high tension >>>>>>> spokes >>>>>>> so try loosening spokes above 14 by 1/2 turn and then tightening the >>>>>>> single >>>>>>> digit ones to even things out. >>>>>>> >>>>>>> On Wednesday, January 29, 2025 at 6:26:27 PM UTC-6 John Rinker wrote: >>>>>>> >>>>>>>> Good afternoon, >>>>>>>> >>>>>>>> I'm working with a rear wheel I built in 2019. M15 hub, 2.0/1.8 >>>>>>>> steel, round spokes, 9-speed cassette, and a 700c Dyad rim. After a >>>>>>>> little >>>>>>>> too much fun in the Arizona desert, the wheel was in need of a little >>>>>>>> truing. In the process, some of the drive-side (right) spokes were too >>>>>>>> tight. Velocity recommends 110-130Kgf for their rims and I was well >>>>>>>> above >>>>>>>> (131-168Kgf or 23-25 on my Park TM-1). I backed off 2 turns on all >>>>>>>> spokes >>>>>>>> and began truing from there. >>>>>>>> >>>>>>>> The wheel is now laterally and radially true, and the dish is spot >>>>>>>> on. But the spoke tensions are all over the place. Below are Park >>>>>>>> Tension >>>>>>>> App values: with a variance of 20%. >>>>>>>> [image: Screen Shot 2025-01-29 at 4.01.10 PM.png] >>>>>>>> >>>>>>>> When I built this wheel I worked with a variance of 15% and it came >>>>>>>> out beautifully. Here are those values from 2023: >>>>>>>> [image: Screen Shot 2025-01-29 at 4.17.16 PM.png] >>>>>>>> >>>>>>>> I'm looking for advice on how I might proceed. Should I de-tension >>>>>>>> the wheel completely and start from scratch? Might there be an issue >>>>>>>> with >>>>>>>> the rim? >>>>>>>> >>>>>>>> I'll certainly allow for my intermediate (at best) wheel-building >>>>>>>> skills and I know I have much to learn, but I've built a fair number >>>>>>>> of >>>>>>>> wheels and most are still riding true. >>>>>>>> >>>>>>>> Anyway, thanks for reading and any thoughts you might have. >>>>>>>> >>>>>>>> Cheers, John >>>>>>>> >>>>>>>> >>>>>>>> -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/rbw-owners-bunch/36de6452-5ccb-4ba0-92bc-baf5e027e689n%40googlegroups.com.
