I’m tossing up whether or not to go down the path of getting a Wheelbuilder aero jacket or a Dyma (http://www.dyma.com.au/) aero disc cover. I currently run HED Stinger 6 Flamme Rouge tubulars, and would be looking at using it for half IM and full IM, maybe the occasional sprint race as well.
In terms of speed I’ll be doing the half IM bike leg in around low 2:20’s off about 230 watts. If I plug the different wheel types into BestBikeSplit it is giving me a saving of 10 seconds over the half distance.
If the 10 second saving is legit I don’t think I’ll bother, what is everyone’s experience/opinion?
Discs really shine at high yaw, so def. worth it if you have a windy course. BBS may be assuming 0 yaw depending how you set it up (course and windspeed/direction).
Given that the DYMA won’t have any product available until Oct 2016, the Wheelbuilder aero jacket is pretty much your only option.
And it’s a great one.
I’ve been using them since '06, to CRUSH DREAMS on the bike.
Currently on my 3rd one, as the first lasted for about 5 seasons, and the 2nd one for about 4**.
** 2nd one didn’t last as long due to a change in hub back in late '11 - the new PT G3 hubs are smaller flange size than their predecessors, so there was a gap between the cover and hub on the NDS, making it a little less secure, and eventually wore down on the drive-side.
The wind doesn’t know whether you’re rocking a $2k+ disk, or a $100 disk cover.
Yes the Wheebuilder look ok, but I was worried about being able to install properly after reading a few reviews about warping etc. I was planning on using strong electrical tape to fasten the cover to the rim, and some strong packing tape on the spokes on the drive side to the inside of the cover. How have you managed to install to get that longevity?
I simply use the fasteners that come with the cover with no problems. I only use it for race day (as opposed to just keeping it on) so that prevents much wear and tear. The process to install and remove takes me about 20 minutes so it’s not much effort.
When I had one, it warped when using the fasteners. Instead I just used good quality 3M electrical tape around the edges to fasten it to the rim, that worked perfect, didn’t need to put any tape on the back side against the spokes.
That said, I gave it away and bought a real, dedicated disc wheel. But yeah, the cover technically works just as well.
When I had one, it warped when using the fasteners. Instead I just used good quality 3M electrical tape around the edges to fasten it to the rim, that worked perfect, didn’t need to put any tape on the back side against the spokes.
That said, I gave it away and bought a real, dedicated disc wheel. But yeah, the cover technically works just as well.
My first foray into a disc back in 2009 was the wheelbuilder cover and I hated farting around with it. Couldn’t get rid of it fast enough and bought a Hed Jet Disc for the following season.
I bought a Dyna last year, the design was good and the delivery pretty quick from Australia to Germany.
They sent me the wrong screws though, so when I rode with it, it moved around alot and even managed to jump to the outside of my brake caliper once when I hit a bump. That scratched it and cut it up quite a bit. I got in touch with them and they told me they had sent the wrong screws, and would send me the right ones. They didn’t. I ended up cutting the screws down to size and taping the drive side heavily, it seems pretty secure now, even if it doesn’t sound great over bumps.
When I had one, it warped when using the fasteners. Instead I just used good quality 3M electrical tape around the edges to fasten it to the rim, that worked perfect, didn’t need to put any tape on the back side against the spokes.
That said, I gave it away and bought a real, dedicated disc wheel. But yeah, the cover technically works just as well.
My first foray into a disc back in 2009 was the wheelbuilder cover and I hated farting around with it. Couldn’t get rid of it fast enough and bought a Hed Jet Disc for the following season.
Lol, that was pretty much how I felt too, but when I say that, people tend to react badly!
For one thing, you either need to have a wheel to dedicate to it, which in itself costs money, or you have to use a shared duty wheel which means removing and re-attaching it.
Given the cost of the cover, the cost of whatever wheel you are using, etc., I can’t see why most folks wouldn’t just buy a lightly used HED Jet disc…
Given that the DYMA won’t have any product available until Oct 2016, the Wheelbuilder aero jacket is pretty much your only option.
And it’s a great one.
I’ve been using them since '06, to CRUSH DREAMS on the bike.
Currently on my 3rd one, as the first lasted for about 5 seasons, and the 2nd one for about 4**.
** 2nd one didn’t last as long due to a change in hub back in late '11 - the new PT G3 hubs are smaller flange size than their predecessors, so there was a gap between the cover and hub on the NDS, making it a little less secure, and eventually wore down on the drive-side.
The wind doesn’t know whether you’re rocking a $2k+ disk, or a $100 disk cover.
I basically also use mine only for races. I got an inexpensive wheel and mounted the cover on it. It also has my racing tire/ latex tube. All I have to do is move the cassette to it and it is ready to race. Very inexpensive.
I have a Dyma cover. It is on a “race” wheel so I never take it off. Not sure if it makes me much faster, but it is a cheap aero upgrade. Most importantly it makes much bike look much cooler.
When I had one, it warped when using the fasteners. Instead I just used good quality 3M electrical tape around the edges to fasten it to the rim, that worked perfect, didn’t need to put any tape on the back side against the spokes. That said, I gave it away and bought a real, dedicated disc wheel. But yeah, the cover technically works just as well.
My first foray into a disc back in 2009 was the wheelbuilder cover and I hated farting around with it. Couldn’t get rid of it fast enough and bought a Hed Jet Disc for the following season.
Lol, that was pretty much how I felt too, but when I say that, people tend to react badly!
For one thing, you either need to have a wheel to dedicate to it, which in itself costs money, or you have to use a shared duty wheel which means removing and re-attaching it.
Given the cost of the cover, the cost of whatever wheel you are using, etc., I can’t see why most folks wouldn’t just buy a lightly used HED Jet disc…
I contemplated getting a disc cover but just couldn’t bring myself to do it…something about a janky (to me) looking setup just didn’t sit well with me aesthetics wise with my nice semi-deep dish HED Jet wheels and Tri bike. Never pulled the trigger because I didn’t want to pay $100+ shipping (if it was half that I’d of done it).
Ended up buying a lightly used HED Jet disc on eBay for a screaming deal because I lucked out and nobody was bidding at few months ago on one particular auction. Seems the used market has really bottomed out this year as participation seems way down (even on my local craigslist there isn’t as much postings it seems). Despite HED saying it couldn’t be done I upgraded it to 11 speed with their freehub kit and there are no clearance issues. The only caveat for doing this is the setup is if I put on a properly dished 11 speed wheel I’ll have to readjust my rear derailleur as it wouldn’t be plug and play.
I have a Raltech cover, its a carbon mopulded disc cover made specifically for a given wheel model. Its a small UK company, a one-man-band but have a very good reputation. Covers cost me a bout £140.
I too got fed up with taking it on and off my wheel, but instead of buying a disc wheel I bought a shallow rim wheel with the spoke/hub configuration so that the cover would fit (the cover goes all teh way to the brake track). Now I have two rear wheel options on race day with the expense of the disc or the faff of installing a cover.
I simply use the fasteners that come with the cover with no problems. I only use it for race day (as opposed to just keeping it on) so that prevents much wear and tear. The process to install and remove takes me about 20 minutes so it’s not much effort.
My experience as well. Only ever used fasteners for probably 25 races over the last 3-4 years and never an issue. Have a dt Swiss PT wheel I train on and cover for races, so the cassette pops right off for easy install. I consider it all part of the race day mental prep, no big deal as far as I am concerned
I’m tossing up whether or not to go down the path of getting a Wheelbuilder aero jacket or a Dyma (http://www.dyma.com.au/) aero disc cover. I currently run HED Stinger 6 Flamme Rouge tubulars, and would be looking at using it for half IM and full IM, maybe the occasional sprint race as well.
In terms of speed I’ll be doing the half IM bike leg in around low 2:20’s off about 230 watts. If I plug the different wheel types into BestBikeSplit it is giving me a saving of 10 seconds over the half distance.
If the 10 second saving is legit I don’t think I’ll bother, what is everyone’s experience/opinion?
Well, it’s not like any former pros who are on this site ever tested a cover on the original 808s and found it faster than the 900 (flat) disc.
I have a DYMA… Bought it cos Aerojacket couldnt be bothered to reply to my email enquries.
Dyma was attentive up to the point where the order was made and then it was a black hole in terms of responses.
Basically, they also screwed up my order what with no telling me that they needed the dimensions of my hub for the cover to fit properly to my hubs. hence they rattled and when I told them about it, they sort of said “tough luck - will offer you 50% off a re-order if you want”.
I DIY it to make it fit myself. Wasn’t pretty but Not a bad bang up job tho.
The screws tend to break or rather split apart, so, YMMW
My wheel builder cover goes on a PT hub in a Mavic Open Pro wheel so yes, very much worth it. I don’t do much work on my bike so I get the added benefit of feeling like a legit wrench when I get to pop the cassette on and off to install it.
