I do this on all my bikes. On my lightest, most flexible steel frame, this is absolutely essential. I like the idea of balancing the rim alone and the rim with tire separately. That way I can change the tire independently of the baseline rim adjustment.
Cool stuff. I used to balance them out by installing the speed sensor magnet opposite the heavy spot and adding tiny fishing weights to it if needed hehe No need for that with GPS computers nowadays. Small change but the difference on descents was massive. Might actually have a look on my current wheels :D
Instead of guessing how much lead tape to use, I balance first with poster putty. When that weight is right, I measure the putty on a gram scale and cut that weight in lead tape. The tape usually specifies the grams per centimeter, so you can be quite precise.
my approach to cycling is way less serious than yours, but I genuinly respect everyones approach and see the joy in any approach. Interesting tips, what are those BOA dial shoes?
Hi, I live in Bulgaria and many streets here have potholes or just have a rough surface. I don’t know about the situation in Slovakia is it the same? How do you treat you bikes or do you use particular routes? Thanks for your answer and keep on posting!!!
Most of the roads in my area are new tarmac. The only really rough part is the Pilis mountain range, but with a modern bike it’s perfectly doable. Road bikes need to be sturdy enough to survive Paris Roubaix at WT speed, so they don’t really need to be “treated” to be ridden on rough roads. AYou need good quality tires at the correct pressure, proper tension in the spokes and everything torqued to spec with the accompanying thread lock/grease/antiseize as specified by the manufacturer.
@@___Bebo___ sorry, that’s just utterly and completely wrong. 2017 was the time when aero road bikes started creeping into Roubaix. Since then, the race kept getting faster and faster, up until this year when everyone is on aero bikes with wide tires (which are enabled by disc brakes). In short, the exact opposite of what you are claiming is true. On the flat, weight doesn’t matter, so going from round tube steel to round tube carbon really doesn’t make much of a difference, but that’s not where we are right now. Aero is everything at Roubaix, along with optimised tire selection - all enabled by modern bike design. It might not hurt to refresh on your severely lacking knowledge of basis vehicle dynamics.
@@___Bebo___ yet again, you are failing to see the finer points. - PR is a road race, not a TT. Race tactics have a huge impact on the finishing time. - the course changed over the years, and it’s influenced a lot by the wind being an A-B race. The 60s record was a huge outlier, with all the other speeds before and after being significantly slower - not signalling any trend. This probably due to aggressive tactics, favourable wind, fewer sections of cobbles or a combination of these factors. In recent years, the pace got consistently faster with no outliers, which signals a clear trend afforded by the tech changes. - most of the compliance on a road bike comes from the tires. Old bikes had very little tire clearance, so they were much slower on the cobbles - frame material doesn’t have that great of an effect on it’s compliance. The deflection is most influenced by the second moment of inertia of the tubes, or in simpler words, their shape. You absolutely can have a steel frame with very little compliance and a carbon frame that is hugely compliant. In fact, as metals are isotropic (have similar characteristics in all loading directions), and can’t be easily shaped (particularly steel) into complex forms, they are not really ideal candidates for creating compliant structures. The often repeated “magic carpet ride” of steel or titanium frames is pure nonsense from an engineering perspective, and only perpetrated by dreamers stuck in the past (not unlike yourself).
@@___Bebo___ how about educating yourself, so you don’t embarrass yourself with your ignorance? ua-cam.com/video/C8eg4O3OrvM/v-deo.htmlsi=9HVpHUd8CddjCcOV It’s funny that we are all dumb, but you keep drinking the “steel is smooth” cool aide 😅
@@___Bebo___ how about you name a modern road bike with a suspension seatpost? What you’re trying argue are basic engineering principles. I get that you are not capable of understanding them, but that doesn’t make them any less true. Metal tubes are isotropic. They have the same properties in each loading direction. Yes, you can have a (somewhat) compliant steel frame. But that means it won’t be stiff laterally. With composites, you can have both (to some extent) + lighter weight, as it is a matrix in which the properties could be tuned for each loading direction. That is a fact, whether you can wrap your head around it or not. CF wouldn’t be used in sport, cars, aviation or the military if it didn’t offer more desirable properties (in some areas) than metals.
Hi. I meant "whole system", apologies for the miswriting. Despite being a narrow rotor, you've got a low inertia rotor plus a bench that has little (but more than -for instance- a bearing bench. First: assuming that imbalance force increases as per a square angular velocity law. I'd check if vertical forces due to umbalance dissapear with the added masses, rather than statically checking (wich also important to note, is better than not doing so). Measuring vertical forces of the wheel excited at angular velocity equal or near to operational comditio (assume 40-50km/h equivalence) can be done with accelerometers or gauges in a bench. Second, I'd do a second step with the whole system (tires and valves) and add again mass. Maybe using a distinct colour coding that helped to differenciate the wheel balancing and the tire+valve+wheel setup balance. What are your thoughts?
Well, it can go as simple as it follows for the RW: you can put the bike upside down, sit it on a scale, pedal applying the force upwards (to avoid contaminating the measurd) to simmulate angular velocity at race scenario (gear and cadence) and see how much max force it puts before and after. Its simple enough and and somewhat compliant with scientific method.
@@___Bebo___ yeah of course 🙃 It is surely my eyes that were deceiving me when I saw the factory. If they’re open mould, then how come they test faster than anything else, last longer than anything else and don’t even resemble anything else?
@@ronykuba sorry, private bikes only went have or are being forced into carbon, we say carbon for TV steel for fun, a good steel or titanium frameset or and good wheels match any carbon, oh and we balance all wheels it's a good practice, good vlog though, take care man
I admire the tool organization. 100% brill.
Thanks 🙏
I do this on all my bikes. On my lightest, most flexible steel frame, this is absolutely essential. I like the idea of balancing the rim alone and the rim with tire separately. That way I can change the tire independently of the baseline rim adjustment.
Hmm, interesting. I would have thought that the flex in the frame would dampen some of the vibration.
Excellent Ronald, more workshop videos please.
Glad you liked it 👍
Cool stuff. I used to balance them out by installing the speed sensor magnet opposite the heavy spot and adding tiny fishing weights to it if needed hehe No need for that with GPS computers nowadays. Small change but the difference on descents was massive. Might actually have a look on my current wheels :D
That works, but also adds aero drag. Not ideal
Instead of guessing how much lead tape to use, I balance first with poster putty. When that weight is right, I measure the putty on a gram scale and cut that weight in lead tape. The tape usually specifies the grams per centimeter, so you can be quite precise.
That’s a good tip, thanks 🙏
Thanks, I was about to change my tt tires, i'll do this at the same time!! :)
Nice!
Great video mate thank you. The black plastic piece going on top of the valve, does it save watts? also whats it called?
Glad you like it 👍 Yes, that’s a marginal gain in itself. It’s from Wattshop
my approach to cycling is way less serious than yours, but I genuinly respect everyones approach and see the joy in any approach. Interesting tips, what are those BOA dial shoes?
Glad you like it 👍
Those are some regular (and very old/torn) Vans. I have the OneCl ratchet installed on them.
@@ronykuba you bought them like that or was it a mod?
@@oreocarlton3343 it’s an add-on. Can be bought separately.
@@ronykuba brilliant, thanks for the tip!
Great video, thanks! What are the brake rotors you use on this bike?
Glad you like it 👍 Carbon ti
Hi, I live in Bulgaria and many streets here have potholes or just have a rough surface. I don’t know about the situation in Slovakia is it the same? How do you treat you bikes or do you use particular routes? Thanks for your answer and keep on posting!!!
Most of the roads in my area are new tarmac. The only really rough part is the Pilis mountain range, but with a modern bike it’s perfectly doable.
Road bikes need to be sturdy enough to survive Paris Roubaix at WT speed, so they don’t really need to be “treated” to be ridden on rough roads.
AYou need good quality tires at the correct pressure, proper tension in the spokes and everything torqued to spec with the accompanying thread lock/grease/antiseize as specified by the manufacturer.
@@___Bebo___ sorry, that’s just utterly and completely wrong.
2017 was the time when aero road bikes started creeping into Roubaix. Since then, the race kept getting faster and faster, up until this year when everyone is on aero bikes with wide tires (which are enabled by disc brakes).
In short, the exact opposite of what you are claiming is true. On the flat, weight doesn’t matter, so going from round tube steel to round tube carbon really doesn’t make much of a difference, but that’s not where we are right now.
Aero is everything at Roubaix, along with optimised tire selection - all enabled by modern bike design. It might not hurt to refresh on your severely lacking knowledge of basis vehicle dynamics.
@@___Bebo___ yet again, you are failing to see the finer points.
- PR is a road race, not a TT. Race tactics have a huge impact on the finishing time.
- the course changed over the years, and it’s influenced a lot by the wind being an A-B race. The 60s record was a huge outlier, with all the other speeds before and after being significantly slower - not signalling any trend. This probably due to aggressive tactics, favourable wind, fewer sections of cobbles or a combination of these factors. In recent years, the pace got consistently faster with no outliers, which signals a clear trend afforded by the tech changes.
- most of the compliance on a road bike comes from the tires. Old bikes had very little tire clearance, so they were much slower on the cobbles
- frame material doesn’t have that great of an effect on it’s compliance. The deflection is most influenced by the second moment of inertia of the tubes, or in simpler words, their shape. You absolutely can have a steel frame with very little compliance and a carbon frame that is hugely compliant.
In fact, as metals are isotropic (have similar characteristics in all loading directions), and can’t be easily shaped (particularly steel) into complex forms, they are not really ideal candidates for creating compliant structures.
The often repeated “magic carpet ride” of steel or titanium frames is pure nonsense from an engineering perspective, and only perpetrated by dreamers stuck in the past (not unlike yourself).
@@___Bebo___ how about educating yourself, so you don’t embarrass yourself with your ignorance?
ua-cam.com/video/C8eg4O3OrvM/v-deo.htmlsi=9HVpHUd8CddjCcOV
It’s funny that we are all dumb, but you keep drinking the “steel is smooth” cool aide 😅
@@___Bebo___ how about you name a modern road bike with a suspension seatpost?
What you’re trying argue are basic engineering principles. I get that you are not capable of understanding them, but that doesn’t make them any less true.
Metal tubes are isotropic. They have the same properties in each loading direction. Yes, you can have a (somewhat) compliant steel frame. But that means it won’t be stiff laterally.
With composites, you can have both (to some extent) + lighter weight, as it is a matrix in which the properties could be tuned for each loading direction. That is a fact, whether you can wrap your head around it or not.
CF wouldn’t be used in sport, cars, aviation or the military if it didn’t offer more desirable properties (in some areas) than metals.
Golf club weights are the best way to ballance your wheels.
Yes, that’s exactly what I am doing in the video…
@@ronykuba You are using tape. The weights for golf clubs come in patches, and are a bit thicker.
@@cccpkingu ah, ok. Didn’t know that. I’ve bought these on a golf site as well.
Can do the same if using TPU tubes? Would the lead tap bulge cause issues with the inner tube?
Yep, can be done. Just don’t leave sharp edges.
I was always told that the wheels were deliberately unbalanced. very intresting video
I can’t see how that would be true
Before valve is present yes.
Great video
Thanks 🙏
I see you’re using hed wheels. Is there an aero difference between the jet 90/disc combo and the vanquish 84/disc combo?
Yes, the Vanquish line is faster
@@ronykubais there any chance you know roughly how much faster?
I'd do dynamic balance instead of static.
And re-do it with the hole sys (+wheels) installed with differenciated colour.
How exactly do you do a dynamic balance of a bicycle wheel (=essentially a single plane object)?
Differentiated colour of what? What is hole sys?
Hi.
I meant "whole system", apologies for the miswriting.
Despite being a narrow rotor, you've got a low inertia rotor plus a bench that has little (but more than -for instance- a bearing bench.
First: assuming that imbalance force increases as per a square angular velocity law. I'd check if vertical forces due to umbalance dissapear with the added masses, rather than statically checking (wich also important to note, is better than not doing so).
Measuring vertical forces of the wheel excited at angular velocity equal or near to operational comditio (assume 40-50km/h equivalence) can be done with accelerometers or gauges in a bench.
Second, I'd do a second step with the whole system (tires and valves) and add again mass. Maybe using a distinct colour coding that helped to differenciate the wheel balancing and the tire+valve+wheel setup balance.
What are your thoughts?
@@sergioahuirbretones I would say that it’s needlessly difficult and complicated, as static balancing works perfectly well in this application.
Well, it can go as simple as it follows for the RW: you can put the bike upside down, sit it on a scale, pedal applying the force upwards (to avoid contaminating the measurd) to simmulate angular velocity at race scenario (gear and cadence) and see how much max force it puts before and after.
Its simple enough and and somewhat compliant with scientific method.
@@sergioahuirbretones again, unnecessary. The balance or lack of it is clearly visible when you spin it up in the workstand.
When do the axels ship out for the Princeton wheels ?
The rear axles have been shipped already. The front ones will probably be shipped this week.
@@ronykuba ok cool thanks.
Hi, back ground music is a bit too loud. Mind toning it down a little for future videos?
No problem 👍
What is That wheigt tape that you use?
Golf tape as I said in the video
If going after marginal gains, do this. It's essentially free and easy.
Exactly 👍
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I don’t understand, sorry
=Children of Biafra=
What’s with them?
@@___Bebo___ ok, and what does that have to do with balancing road bike wheels?
@@___Bebo___ HED wheels are proprietary and made in Minnesota.
As for the rest, I have no idea what you are talking about.
@@___Bebo___ yeah of course 🙃 It is surely my eyes that were deceiving me when I saw the factory.
If they’re open mould, then how come they test faster than anything else, last longer than anything else and don’t even resemble anything else?
@@___Bebo___ you’re having some pretty wild hallucinations there man. How many aero tests have you done in your life?
Pro mech 25 yrs, we have balanced since 2000 when we first saw this carbon junk arrive.
Sounds like you stayed in 2000 as well.
@@ronykuba weird, as most team lads choose steel as their own, with usually my hand built wheels. Soz pal.
@@paulhiggins9492 sure, good luck racing with that in an elite level TT or race. Or any level for that matter.
@@ronykuba sorry, private bikes only went have or are being forced into carbon, we say carbon for TV steel for fun, a good steel or titanium frameset or and good wheels match any carbon, oh and we balance all wheels it's a good practice, good vlog though, take care man
@@paulhiggins9492 steel is slow and heavy. The only advantage is the price and durability.