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Discussion Starter #1
definitely not my own hubs (still going light on my V's...) but still nice weights...
<img src="https://gallery.mtbr.com/uploads/mtbr/234840/AC-F-Disc128g.jpg">
<img src="https://gallery.mtbr.com/uploads/mtbr/234840/AC-R-Disc232g.jpg">
 

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Hi Nino,


Interesting pics. I'm running discs. I'm looking for a top end ultralightweight disc wheelset.

So far Soul-Kozak disc / Sapim CX-Ray or Ti spokes / Stans 355 rims appear to be the lightest option. Likely $700 for the set.

Have AC come up with an entire wheelset using those hubs and their 350g ("claimed") rims? if so what cost and weight?


I'm also considering a road wheelset (700c) built around mtb disc hubs. Any suggestions? I'm in the dark as to combining disc brakes with road rims and road spokes. I'd like to keep the weight RIGHT downa nd hopefully the budget below $800. I weigh 75Kg and would use the road wheelset for road only, on a mtb, but must be able to cope with the stresses of disc brakes.
 

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Trail rider and racer
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Thats really impressive Nino.

Are you going disk now? (Kidding!!)

Do you know if the bearings are any better in these hubs?
 

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Discussion Starter #4
AC 350 MTB wheels

Tippster said:
Hi Nino,


Interesting pics. I'm running discs. I'm looking for a top end ultralightweight disc wheelset.

So far Soul-Kozak disc / Sapim CX-Ray or Ti spokes / Stans 355 rims appear to be the lightest option. Likely $700 for the set.

Have AC come up with an entire wheelset using those hubs and their 350g ("claimed") rims? if so what cost and weight?


I'm also considering a road wheelset (700c) built around mtb disc hubs. Any suggestions? I'm in the dark as to combining disc brakes with road rims and road spokes. I'd like to keep the weight RIGHT downa nd hopefully the budget below $800. I weigh 75Kg and would use the road wheelset for road only, on a mtb, but must be able to cope with the stresses of disc brakes.
yes- you can get complete wheelsets with those new-generation hubs.go on the Amclassic.com site for pricing.
for road use you can go with everything light. there's no "road" specific spokes. just don't underestimate the brakepower.no radial lacing and i wouldn't go below 32 spokes in the front where the most braking takes place.
 

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6x7=Dont Panic!
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Combine those with some Formula B4 Sl's, and thats lighter than a lot of V setups! But is the quality of the hubset good? I have heard some bad things about their hubs.
 

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Look at at that rear hub. I assume the flanges are at the offset position so that the dish spoke "angles" are symmetrical on the driveside and non driveside. So your spoke tensions will be equal, but wont that make a wheelset which has very little lateral stiffness ?
 

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Bingo!

heatstroke said:
Look at at that rear hub. I assume the flanges are at the offset position so that the dish spoke "angles" are symmetrical on the driveside and non driveside. So your spoke tensions will be equal, but wont that make a wheelset which has very little lateral stiffness ?
Those rear flanges are rather close together for a strong wheel build, IMO (and a wheel guru's), though AC has made better pawls and bearings on this go-around. Even Stan's wheels come with the old hub, lame bearings and all for a stiffer wheel.

Similar topic: Same bike/wheel guru gave me a sneak peak at a heck of a set of wheels! Tune DISK hubs, Stans rims (not sure of spokes) alloy nipples..... right at 1350 grams for the SET!!!! He said something about getting them to me to try out AFTER someone at MTBR got'em. Who's that lucky SOB?
 

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Primative Screwhead
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Lame bearings

glenzx said:
Those rear flanges are rather close together for a strong wheel build, IMO (and a wheel guru's), though AC has made better pawls and bearings on this go-around. Even Stan's wheels come with the old hub, lame bearings and all for a stiffer wheel.

Similar topic: Same bike/wheel guru gave me a sneak peak at a heck of a set of wheels! Tune DISK hubs, Stans rims (not sure of spokes) alloy nipples..... right at 1350 grams for the SET!!!! He said something about getting them to me to try out AFTER someone at MTBR got'em. Who's that lucky SOB?

My AC rear disc hub seized up the other day, right before a weekend of xc racing. Stress!!
Some of the bearings had dissolved, it was a real mess in there. My mechanic took the wreckage out and lubed up the races. Still not perfect, but he got them going again. The hub was a year old.

I don't think that it was an AC problem; more symptomatic of my riding habits (every day) and location (Tasmania = WET). I've seen (and experienced) massive problems with supposedly bullet proof shimano hubs of all levels. Bad news travels fast, IMHO.

F.
 

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I have the WTB version and although they are light they are not 'beefy' like one person mentions.

I shredded the engagement after 5 months of hard riding. Was a lot of fun being stranded on an epic with no bailout besides walking for miles. Trashed rear hub. I'm swallowing a few grams(and dollars!) and going with a King.
 

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Spookykinkajou said:
I have the WTB version and although they are light they are not 'beefy' like one person mentions.

I shredded the engagement after 5 months of hard riding. Was a lot of fun being stranded on an epic with no bailout besides walking for miles. Trashed rear hub. I'm swallowing a few grams(and dollars!) and going with a King.
Yes I have had problems with mine straight from the manufacturer! Got a refund(thanks Mike! Great guy he is...:) )
Now have ordered some King built to DT swiss rims... can't wait!
 

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Now that I look at the distance of those flanges it does look very narrow. I wonder how wtb can get away with using those on their dh wheelset?
Glenzx - where can you get Tune disc hubs in the US?
btw- your signature is also some lyrics in a RHCP song on One Hot Minute.
 

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BikeSATORI said:
Now that I look at the distance of those flanges it does look very narrow. I wonder how wtb can get away with using those on their dh wheelset?
Glenzx - where can you get Tune disc hubs in the US?
btw- your signature is also some lyrics in a RHCP song on One Hot Minute.
Tune has great customer service, and that's a good thing cuz I had nothing but problems with my Tune disc hubs. The guy who bought my wheelset was ecstatic, and obviously knew the quirks of Tune cuz he did what he had to, and has a sweet light set of mtb wheels.

I'm on the other side. Many are leery of AC/WTB, but I think since late 03, early 04, their stuff has been significantly better.
 

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BikeSATORI said:
Now that I look at the distance of those flanges it does look very narrow. I wonder how wtb can get away with using those on their dh wheelset?
Glenzx - where can you get Tune disc hubs in the US?
btw- your signature is also some lyrics in a RHCP song on One Hot Minute.
Definately don't know how those hubs could be used for DH, given that a good DH tire weighs as much as the wheelset!

Good local shops can get 'em no problem. If you are in a pinch call up our local high-end bike shop that carries 'em in Santa Fe, "Alchemy Bikes". The owner, Jeremy, is an extremely knowledgeable fella, and is a big Tune fan.....and a serious weight weenie to boot, but understands the need for durability.

And yep, I do remember hearin' the Chili Peppers using that old line! Just that the BH Surfers used (re-used?) it a while ago. :)
 

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danK said:
Tune has great customer service, and that's a good thing cuz I had nothing but problems with my Tune disc hubs. The guy who bought my wheelset was ecstatic, and obviously knew the quirks of Tune cuz he did what he had to, and has a sweet light set of mtb wheels.

I'm on the other side. Many are leery of AC/WTB, but I think since late 03, early 04, their stuff has been significantly better.
What kind of problems did you have??? Very curious, as they look/seem/feel pretty zoot!
 

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Hey Glen, on another note...

Didn't you race a Conti Twister supersonic in mud awhile back? We have this dual tropical storm thing passing thru over the next couple of days. Have a SERC race this Sunday, which will be sunny. But, the course will be wet-ish from all the rain today and tonight/tomorrow. I'm running a new Jimmy Light up front for killer steering action, but still have decent rolling resistance. I want the Twister SS out back for all the fast hardpack, and figure theres not much knobs for packup in our famous Ga clay. Figure the traction will be the same with all our red clay in regards to traction(meaning not much), but at least I won't have all that extra packup at the rear stay area. Both are run with Stans.
 

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Duckman said:
Hey Glen, on another note...

Didn't you race a Conti Twister supersonic in mud awhile back? We have this dual tropical storm thing passing thru over the next couple of days. Have a SERC race this Sunday, which will be sunny. But, the course will be wet-ish from all the rain today and tonight/tomorrow. I'm running a new Jimmy Light up front for killer steering action, but still have decent rolling resistance. I want the Twister SS out back for all the fast hardpack, and figure theres not much knobs for packup in our famous Ga clay. Figure the traction will be the same with all our red clay in regards to traction(meaning not much), but at least I won't have all that extra packup at the rear stay area. Both are run with Stans.
Indeed I ran the Twister SS in an awful race about 3 weeks ago, at Telluride. It had rained HARD for a few days, and during registration! I pre-rode at dusk in the fresh mud with a Kenda Karma tire (rear) that gooped up AND didn't provide much traction, as I think it was still a bit too large in volume.... so for the race I slapped on the Twister. Nioce and skinny, seemed to dig down to terra firma and NOT glop up! nlike the Specialized Uber-Knobby on the front. I was nervous after washing out and slamming my face a few weeks prior with the Karma on the front to use anything without significant knobbage! The Explorer SS would have been pretty good, and I'll be racing on them here in NM tomorrow!
 

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AC wheels......

Been using my AC MTB 350 disc wheels all summer so far with no problems. Haven't even been trued yet. No mud races yet though and I weigh 140lbs so I'm keeping my fingers crossed. With the Sapim spokes, the wheels weighed 1380grams.
 

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i got a set of '04 AC disc hubs laced to 717 disc rims (32 DT revo spokes per wheel, 3x). weigh exactly 1458 g with drilled rims ;-)

very nice so far, will keep you posted if sth happens to them
 
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