Wheelbuilding / Wheel Building / Wheel build help

Not with this, the end cap sits over the end of the axle, approx 10mm's worth. There is a little groove in the axle that an o ring on the inside of the cap locates over. But yeah, its all a bit jiggly.

What QR? Can you locate the judder to the hub when moving the wheel in the fork?

Very hard to detect, so no not really. It is possible its something else but the rim is true and with no bumps.

I've tried two different QR's and crappy weenie one and a nice beefy HED one.

Just to rule out heatset or something else frame related have you tried a different wheel?

Different wheels have been tried and all found fine. Offending wheel has been tested in 5 different bikes and found to judder in all of them.

Doing my head in this

Bloody frustrating. Hunt aren't interested in helping?

Did you try switching end caps over between the two sides?

They helped by asking me send the wheel back, then truing it a bit, sending it back, me saying it still judders, then they send me a new wheel, and that one judders too, and then I stopped saying anything because I just couldn't be arsed to keep receiving and posting wheels back and forth. Want to try and fix it myself.

Regarding swapping the two sides, funnily enough after taking the photos above I did just that, I doubt it will help but you never know. Will test later tonight.

PM inbound

that is odd hovis. if the wheel judders then play will be detectable with the wheel clamped in the forks.

I have never had that hub before. Only the F482SB but that does not have wobbley end caps. let us know the outcome. Have you tried a shimano or campagnolo Q/R they clamp the tightest of them all.

I haven't got a shimano or campag skewer to try so no, but the HED one I have is quite beefy and I feel the clamping forces from it are strong. The Hunt supplied one also feels decent and it makes no difference.

Alignment of brake pads on the brake track? Perhaps slightly different than with other rims?

Could the judder just be from braking on a new rim? Maybe it will bed in

With the wider rims that hunt use it could be the angle the pad is approaching rim is differennt. Sort of what @PhilDAS is alluding to.

@Hovis Maybe measure and replace the o-rings that live inside the end caps with harder ones (eBay - although pot luck because you won't know the hardness of the existing one, or have the option of specifying a harder one on eBay). Judder could be caused by compression of the rubber that won't manifest itself as play at the rim, but instead as flex. Just a suggestion...
Also, change of brake pad brand/material? Maybe the friction material is getting too hot and tacky too quickly.

@motoko I've checked the alignment several times, and swapped with a wheel that has the same rim which works fine on it, so I'm quite confident its not an alignment issue

@PhilDAS Not new anymore, been ridden probably 1500 miles by now

@Lukas Interesting suggestion, certainly could explain why the end cap is so loose. I don't really understand the design, if the only interface the cap has with the axle is via the O ring, then its inevitable to lead to wobbliness. I did try three different compounds now, swissstop green, swissstop bxp and koolstop salmon. Same with all of them.

Thanks for the suggestions all. I've gotten in touch with Hunt again recently and they are suggesting I send the wheel back once again. It's frustrating having to deal with this post back and forth like this with them, but it's probably the best option right now.

There prob should be a machined recess on the axle for the end cap o-ring to locate in, so if there isn't one, blame Novatec for cutting corners :-)

18h front 28h rear carbon tubular wheel build, radial front 2x rear, for road racing. is that a bad idea? I've got a lovely spare 18h front hub, hence why I ask. otherwise it'd be 28f/28r

needs more variables; if it's some >50mm deep and wide rim will be fine.

it'd be on 45mm deep light bicycle tubulars

I'm running a 16H/24H on LB 55mm rims and I'm >90kg

ok, thank you

I have a 18F/24R 28mm deep tubular wheelset. and a Pacenti SL23 V1 on the same spoke count. I am not that light and these are fine.

thank you too, exactly what i wanted to hear

40mm+ deep aluminium rims:
Old shamal
H plus son Formation face

Do people know any others?