Show Posts

This section allows you to view all posts made by this member. Note that you can only see posts made in areas you currently have access to.


Messages - Da11as

Pages: [1] 2 3 ... 5
1
Road Bike Frames, Wheels & Components / Re: the new Van Rysel RCR-F
« on: March 31, 2025, 09:44:42 AM »
I mean this is not a bike for the "budget conscious rider" but for the world tour pros. Can't walk into a Mercedes dealership ask for a Mercedes-AMG GT Coupé and expect an A-Class price tag.

For what it is, it is still priced below what other brands ask. The aforementioned S-Works comes out at 14.500€ whereas this is 9.500€ - that's a whopping 50% added on top. The Trek starts at 13.500€. The only one that is in the same price region is Canyon. And I am not sure you can actually compare the Aeroad to the RCR-F. Even the other two from Trek and Specialized framesets look less "beefy" as in less aero - which is supposed to be the main spiel of this thing.

So, would I buy this? No, most definitely not. But then again I am far from a world tour pro. Do I find this thing interesting and would love to ride it for a test? Well, heck yeah!

But we are digressing: the actual question was, is there anything like it on the Chinese frameset market. I haven't seen anything, and I would be surprised to see something comparable within a year. I like to be surprised though!
If the question is in aero only then there are plenty of ridiculously shaped frames from China which are usually stupidly stiff, thus unridable beyond very good roads.

2
So I feel like I should make a post on here about this.

Third ride, my lexon 24mm cranks failed catastrophically.

The bolt that holds the crank arm on the left arm sheared off at the head whilst riding; the crank arm came away still attached to my foot. I'm lucky I'm still here. The bolt is clearly made of cheap aluminium (when you hold it in your hand it's way too light).

I suggest everyone checks this bolt for stress risers or fatigue. Similarly, be careful with the torque. It says capable of 45nm. I torqued to 40 and that felt like a lot - obviously too much for this.
Rule of thumb for chineese stuff is to replace excessively light parts with something more robust. I've had uncommon alloy bolts on my carbon cockpit (vedge-type mounting) which came loose very often until I rounded them during quick field fix. Changed them to steel bolts and have no issues since then with only 2g difference.

3
Road Bike Frames, Wheels & Components / Re: TT-Bike Budget Build
« on: March 31, 2025, 06:00:17 AM »
The powermeters in the pedal are usually the spindles so you can just purchase new pedal bodies if they wear out.
While it is true, I think spider-based powermeter will work better unless you have more than two bikes and want PM on all of them as it will last forever and requires zero maintenance. I know several people that have Assiomas of different fitness levels, all of them managed to destroy pedal body or brick them during an accident within 3 years. Considering how cheap some options are, one can get some common mounting option (let's say Sram 8 bolt interface) and change cranks if necessary.

4
.

The creaking wheel has a 12 speed ultra lightweight - Goldix cassette. The wheel I just installed has a 12 speed Shimano. So in this case if its a cassette issue - it'd be the Goldix one
It is indeed the cassette. The noise comes from the bolts/rivet,s when cassette is under torsional stress as a result of poor tolerances (in case of rivets) or loose bolts (in case of bolts). If you have big sprint it may also start to develop some play.

5
I've been using MRX batteries for AXS for a while. Although the capacity is smaller, they are significantly lighter and cheaper so you can carry spare battery without issues and simply get more batteries to not worry about weekly charging.

6
Waking up the thread. Anyone heard anything resembling crux? Aesthetically (this-tubed) and geometry-wise. Also at least 50mm clearance is must.

7
Road Bike Frames, Wheels & Components / Re: TT-Bike Budget Build
« on: March 20, 2025, 11:08:30 AM »
Hey, thanks for the reply. Great advice! I looked into the crank length topic, and it definitely makes sense now. I’ll try to find a setup with a shorter length (155-165mm) and sell my power meter.

Unfortunately, getting a setup with a spider power meter or power meter pedals will be more expensive... :-\
I guess the cheapest option would be to go with 165mm crank arms. Will I regret not going shorter, like 155mm?
You can buy spider-based option that will fit your current crankset interface and buy some cheaper crankset at shorter lenghts to experiment with it. Or you can go to bike fitter with the proper tools and see how much you can reduce hip to torso angle and how short should you go. I think today 165 mm cranks on TT bike is generally accepted (not by manufacturers) standard.

8
Road Bike Frames, Wheels & Components / Re: Brass vs Alloy nipples
« on: March 20, 2025, 04:43:25 AM »
Does anyone have real-world experience with corrosion on modern carbon rims with aluminum nipples? I think I understand the theory and the fears associated with this topic... But what’s the actual experience like?

If you're interested, here’s a video explaining nipple-wheel corrosion:
youtube.com/watch?v=xP4V392Y4c0

Btw, I've just ordered my first carbon wheels and chose alloy)
You may get a problem with wheels truing, it is rather easy to round alloy nipples (I've done it multiple times). For this only reason I prefer brass, which are much harder.

9
Road Bike Frames, Wheels & Components / Re: TT-Bike Budget Build
« on: March 19, 2025, 04:24:17 PM »
Which setup/chainrings would you pick for the bike course of the Ironman in Thun (180km/2200m elevation)? Would you be able to do it with a 1x Setup? Or go with 2x chainrings?
Worried I'm grinding up the hills and burn out with the wrong setup. But I will be able to figure it out when I have the bike and do some similar courses.
As I said before, it really depends on your absolute power (which is important on flats) and your w/kg (as it'll affect your speed on climbs). From the gxp file it seems the course rarely has gradients above 6% but has two steady long climbs. Considering it's Ironman and a person has been prepairing for it for a while, one has to approach it as a steady tempo ride (75-86% FTP), I'd change my chainring to 56T and call it a day.
If you have ftp around 3.5-4 w/kg 52-36T front and 11-28/11-30 back will cover your needs. If it's lower or you did not train for such types of effort, than it's better to have a cassette with wider range and lower %FTP.

10
Road Bike Frames, Wheels & Components / Re: TT-Bike Budget Build
« on: March 18, 2025, 04:19:29 PM »
Hello, thanks for your input—super helpful!
You’re an absolute beast! Great FTP! :)

I get your point. On the flats, I’d probably be on the three smallest cogs of my cassette. During the climbs, I should be somewhere in the middle of the cassette. In that case, I’d need a bigger chainring than a 52—probably a 53 or even a 55.

The race course is the Ironman in Thun. It’s my first triathlon and my first TT bike so I have no experience. I’ll likely need to make some adjustments after my first month on the bike.
Here the link to the bike course:
https://www.ironman.com/races/im-switzerland/course#bike
You'd probably need bigger chainrings in the future but for a first race it should be fine. If it's your first time on TT bike consider to spend substantial time of your training on this particular bike and position tweaking, as it will take at least several months to be able to deliver power output similar to road bike.

11
Road Bike Frames, Wheels & Components / Re: TT-Bike Budget Build
« on: March 18, 2025, 07:43:19 AM »
Hey, thanks for the reply/advice! The selection of cranks and chainrings is unfortunately a bit limited for me because I already have a one-sided power meter with a 172.5mm left crank, and I’m trying to go with a budget-friendly option.

I was planning on using a 52/36 chainring and a 10-36 cassette. I live in Switzerland, and yeah, it's quite hilly here. The event I want to participate in has a bike course with 2,200m of elevation.

Do you reckon my choice of gearing is fine, or should I reconsider? I could spend more money to customize the gearing further if necessary. My current setup is the budget option.
You have to figure out what would be your expected power output for the key sections of the course and select chainring size accordingly.
It really depends on your power output, cadence and actual course (rolling, long climbs, consistent shallow gradient etc.). For example, I have FTP around 350-365, mid season weight 72-75 kg and my TT bike has 1x12 setup with 58T (oval) front and 11-34 rear and during tempo rides (260-290 Watts@90 rpm) I slip into smaller half of the cassette. If I model the actual race scenario, I will push closer to my threshold and I will be even further down the smaller cogs which will cost quite some watts, you have to be closer to the middle of the cassette during your main effort. In this case, I need a bigger chainring, 60T or 62T.

IMHO, unless you have long very shallow gradient or very long stretches of flat terrain between steep climbs, 1.5-2.5 kg lighter road bike would be more beneficial for such event.

12
honestly if you want a lightweight rim brake bike just get a second hand sl6 or 2012-2015 cannondale supersix
Double that. Could be better ride quality and possibly in the same price range. Also consider older Trek Emonda, it has direct mount brakes.

13
Road Bike Frames, Wheels & Components / Re: Speeder Cycling SC-R55D
« on: March 03, 2025, 09:40:43 AM »
My frame will be shipped tomorrow. Planning to assemble the bike in mid April. Will keep you posted.

14
Road Bike Frames, Wheels & Components / Re: TT-Bike Budget Build
« on: March 03, 2025, 06:43:48 AM »
I like the riderever TT brake lever. But I can't find any good deal on them and dont want to spend 250-300$ +
Are the mechanical disc brakes so bad? Never had any before...

Hehe, I like the idea with the sticker :)
It really depends on the routing, and the routing is usually horrible on TTs.

15
Road Bike Frames, Wheels & Components / Re: TT/Tri groupset options?
« on: March 03, 2025, 06:02:56 AM »
thanks for this
could you link the battery and charger option for above?
please and thanks
this is why CT is a great forum.
might even buy the new ICAN TT frame in future as it ticks all the boxes for me.
https://www.icanbikes.com/Products-list/carbon-tt-bike-frame/

non uci though!
unless it looks like another UCI approved frame etc :)

https://mrxsolutions.net/products/2-replacement-batteries-charger-for-sram-axs-etap-xx1-x0-gx-reverb

The capacity is lower, but the battery is also substantially smaller and lighter. I see no disadvantages here - it's still sufficient for ~15h of riding on rolling terrain, or even more as I don't ride my bike every day. Sram tends to charge leak due to occasional wake-ups of the derailleur.

Pages: [1] 2 3 ... 5