Cannondale TOPSTONE 2019 is released

[tomh79]

Well, it‘s definitely not a Chris King...
I used to have a couple on some wheels a few years back. NEVER had any issues and - what I REALLY liked - maintenance is pretty easy... So, I wouldn‘t worry about the Novatecs.

thanks - that's what I heard also. Chris King...yeah they don't fit the budget but maybe DT 340s...if I don't buy the HUNTs. But the deal just seems too good. If only they were like 21/22mm inside. But 20 should be OK as well..

[tomh79]

I've ordered road wheelset yesterday and the following... should knock nearly 3 lbs off the bike, with tyre+wheel saving.
https://www.merlincycles.com/dt-swiss-p ... 36934.html

Nice! Looks like you're converting to road with the GP5000 28s? And: no tubeless?

[frogtape777]

I've ordered road wheelset yesterday and the following... should knock nearly 3 lbs off the bike, with tyre+wheel saving.
https://www.merlincycles.com/dt-swiss-p ... 36934.html

Nice! Looks like you're converting to road with the GP5000 28s? And: no tubeless?

Aye they were £20 odd more per tyre, heavier too, and i'm forever losing pressure on my full sus tubeless setup if I leave it for a week, using Stans, but may move to Stans Race.

If I like the road wheel setup will probably consider it in the future.

[triteacher]

thanks - that's what I heard also. Chris King...yeah they don't fit the budget but maybe DT 340s...if I don't buy the HUNTs. But the deal just seems too good. If only they were like 21/22mm inside. But 20 should be OK as well..
[/quote]

To be honest, when you look at the wheels - you will find it really hard to tell the difference. I expected the rubber to be "less wide" or maybe "a bit rounder", but the shape definitely looks to be the same... tyres jumped in with the usual loud PANG!, so what?!?

[tomh79]

true...that's exactly what I expected as well. but I think it shows only if you run 45+/50 tires...and I don't plan to...

[tomh79]

@triteacher unfortunately they are out of stock at the moment so I have more time to think about rim widths. DT SWISS told me: get a 22mm inner if you want to run 35mm tires (more stable at lower pressures). At the same time I'm worried if I want to run 28mms on the 22inner rim - if that's even doable...
Really no "swimmy" feeling when running the 42s on the HUNT 20mm inner?

[triteacher]

@tomh79 Hey man, I rarely go super low pressure so I cannot tell for sure. Overall impression is just perfect so far, really cannot tell any difference with regards to rim width compared to the WTBs. What I DO notice though is the gain in stiffness and the reduction in weight.
I would also be worried about going 28 on a 22mm rim... doesn‘t sound right...

[tomh79]

@triteacher Thanks for the insights. Funnily...DT SWISS just released new gravel wheels: 24mm internal! https://granfondo-cycling.com/review-dt ... el-wheels/
Shimano GRX wheelset will be 21.6mm I think...

[triteacher]

In about two years from now we will be at 30mm internal
We should keep in mind that we are talking gravel riding here, which always includes a decent amount of tarmac time...
Just two years ago I was killing it on my Slate with 19mm internal on 38mm rubbers - so, DON‘T BELIEVE THE HYPE

[tomh79]

30mm internal hope not

[TheKaiser]

@triteacher unfortunately they are out of stock at the moment so I have more time to think about rim widths. DT SWISS told me: get a 22mm inner if you want to run 35mm tires (more stable at lower pressures). At the same time I'm worried if I want to run 28mms on the 22inner rim - if that's even doable...
Really no "swimmy" feeling when running the 42s on the HUNT 20mm inner?

If I understand your concern correctly about a 28mm tire on a 22mm inner width rim, I don't think you need to worry. Go on over to the Everything Wheels part of the forum, and you will see there are people running 25mm tires on 23mm inner rims. I agree that as those numbers get close to parity, it can get iffy, but 28mm has plenty of margin, not even considering that most 28mm tires will be bigger than that in terms of real world inflated measurements.

[tomh79]

Thanks!! Enve even recommends 25 tires for their 23mm inner rim aero wheel...but maybe that‘s a different construction?

[frogtape777]

This is DT Swiss PDF for best inner width + tyre width combos

https://dycteyr72g97f.cloudfront.net/up ... ZZ_001.pdf


So for my 18mm inner width PR 1600 Dicuts i've just bought they are perfect for 25, 28 and 30.


The 23mm inner width looks best if wanting a wide range of wider tyres covering 32-50mm wide tyres.

Interestingly the 18mm inner width can also take my old 700x 40 gravel tyres if needed going up to 56mm wide.

Although the 28-33mm inner widths dont have any skinny tyre support whatsoever!

[frogtape777]

New wheels builts up, with GP5000, Ultegra rotors, same 11-34 cassette as 105 comes with

604 grams saved back wheel
597 grams saved front wheel
= 2.65 lbs off bike weight

She coming in at 20.23 lbs, not under the 20 i'd hoped but still impressive and the lighest bike i've owned.


Test pedal around the block, and up a hill, she feels weightless, rolls along with such ease, no resistance, and went up the hill like i've never felt a bike go up a hill, just gliding! I guess its not only 2.65 lbs off, but its off the most important aspect rotational weight, massive amount not to have to spin around every revolution, along with the skinny, slick GP5000

[tomh79]

Nice! Are the Ultegra rotors working well with the 105 brakes?