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Search: Posts Made By: Redbullet
Showing results 1 to 50 of 704
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Forum: Bicycle Mechanics
03-31-24, 02:27 PM
Replies: 39
Views: 1,198
Posted By Redbullet

Finally, dirty bleeding did the job. I had...

Finally, dirty bleeding did the job.
I had endless failed attempts to push the pistons back into the caliper. Finally, I had to remove and disassemble the caliper, I lubricated the pistons with DOT...
Forum: Bicycle Mechanics
03-26-24, 02:28 PM
Replies: 39
Views: 1,198
Posted By Redbullet

I am sure the pads are not worn. Their thickness...

I am sure the pads are not worn. Their thickness is 3.7 mm and a change is recommended below 3 mm. I don't think they are designed to be replaced after 2200 km on flat roads with sporadic mild...
Forum: Bicycle Mechanics
03-25-24, 03:15 AM
Replies: 39
Views: 1,198
Posted By Redbullet

Yes, I was in a rush and didn't read it. I can...

Yes, I was in a rush and didn't read it. I can add a few more if necessary... :lol:
Forum: Bicycle Mechanics
03-24-24, 03:33 PM
Replies: 39
Views: 1,198
Posted By Redbullet

I get the point. But the bike is only 11 months...

I get the point. But the bike is only 11 months old and the longest period it stayed unused was 2 months (winter period, 100% riding only on trainer with another bike). I don't think that disk brakes...
Forum: Bicycle Mechanics
03-24-24, 07:03 AM
Replies: 39
Views: 1,198
Posted By Redbullet

SRAM reccomends changing pads when their...

SRAM reccomends changing pads when their thickness is below 3mm. I have just checked: 3.6-3.7 mm. I ordered a bleeding kit to have it available. I assume that bleeding would solve the issue, since it...
Forum: Bicycle Mechanics
03-23-24, 03:01 PM
Replies: 39
Views: 1,198
Posted By Redbullet

No, there can not be wear for sure after 2200 km...

No, there can not be wear for sure after 2200 km riding on flat roads with rare and mild braking.
With regards to that "Dot 5.1" fluid: SRAM fluid is roughly 8 times more expensive than DOT 5.1 sold...
Forum: Bicycle Mechanics
03-23-24, 02:46 PM
Replies: 39
Views: 1,198
Posted By Redbullet

Yes, they worked ok as new. It is strange that...

Yes, they worked ok as new. It is strange that both levers fail in the same way after 11 months of very low usage.
I was thinking I can avoid bleeding, as it looks to be a relatively complicated...
Forum: Bicycle Mechanics
03-23-24, 02:02 PM
Replies: 39
Views: 1,198
Posted By Redbullet

Hydraulic brake lever touches handlebar

I got an issue with SRAM Rival hydraulic brakes (road bike): the front brake lever touches the handlebar well before applying full braking. The rear brake lever works better, but it already goes...
Forum: Indoor & Stationary Cycling Forum
03-12-24, 02:53 PM
Replies: 67
Views: 1,667
Posted By Redbullet

I guess it can be done without that: if a complex...

I guess it can be done without that: if a complex algorithm controls very close your position around the pack, then it can give you a personalized variable "bonus" in speed depending on your...
Forum: Indoor & Stationary Cycling Forum
03-11-24, 03:36 PM
Replies: 67
Views: 1,667
Posted By Redbullet

Well... managing expectations... I'm afraid it...

Well... managing expectations... I'm afraid it will never change because (I assume) this is by design: I guess that everything is managed by the application on the server and it is impossible to have...
Forum: Indoor & Stationary Cycling Forum
03-11-24, 03:27 PM
Replies: 67
Views: 1,667
Posted By Redbullet

Displayed power of the robopacers is sometimes...

Displayed power of the robopacers is sometimes misleading. For me it is very easy to observe because my weight is very colse to 75Kg (as robopacers). For example, It happens many times to me to watch...
Forum: Indoor & Stationary Cycling Forum
03-11-24, 03:19 PM
Replies: 67
Views: 1,667
Posted By Redbullet

That sentence is a very sharp and true...

That sentence is a very sharp and true description of Zwift "drafting".
In more detail, everybody in the pack rides faster that solo for similar power, including those who lead. But you don't really...
Forum: Indoor & Stationary Cycling Forum
03-11-24, 03:06 PM
Replies: 67
Views: 1,667
Posted By Redbullet

Robopacers are advertised as increasing up to 10%...

Robopacers are advertised as increasing up to 10% uphill and decreasing 20% downhill, see "A Note About Dynamic Pacing" at:
https://zwiftinsider.com/robopacers/

However, it looks that they don't...
Forum: Indoor & Stationary Cycling Forum
03-10-24, 04:29 PM
Replies: 67
Views: 1,667
Posted By Redbullet

I think that "drafting" is not a real feature in...

I think that "drafting" is not a real feature in Zwift. For example: if your weight is equal with robopacers' weight (75 Kg) and the robopacer's power is 1.8 W/Kg, then the robopacer's power is...
Forum: Indoor & Stationary Cycling Forum
03-10-24, 03:16 PM
Replies: 67
Views: 1,667
Posted By Redbullet

No, they are advertised to ride at "increasing...

No, they are advertised to ride at "increasing power by up to 10% uphill and decreasing up to 20% when descending". It means that, overall, for a ride with climbs and descents, that starts and...
Forum: General Cycling Discussion
03-04-24, 04:01 AM
Replies: 82
Views: 2,644
Posted By Redbullet

I think in my case everything is around average:...

I think in my case everything is around average: my weight (incl. bike), road quality, weather (I always avoid rain/wet). I use 5 PSI below Continental recommendation for rear tire and 10 below for...
Forum: General Cycling Discussion
03-03-24, 02:36 PM
Replies: 82
Views: 2,644
Posted By Redbullet

Down on the page you can find this: ...

Down on the page you can find this:

https://cimg6.ibsrv.net/gimg/bikeforums.net-vbulletin/925x803/pressure_5312c58640ec3b3a9813088f0da21a8e1763b94a.jpg
Forum: General Cycling Discussion
03-03-24, 02:31 PM
Replies: 82
Views: 2,644
Posted By Redbullet

28 mm

28 mm
Forum: General Cycling Discussion
03-03-24, 06:13 AM
Replies: 82
Views: 2,644
Posted By Redbullet

I was curious to check the consistency of the...

I was curious to check the consistency of the websites posted here. Their recommendations look somehow consistent, but they are very far from the recommendation of the tire producer. I checked for...
Forum: General Cycling Discussion
02-25-24, 03:33 PM
Replies: 11
Views: 835
Posted By Redbullet

Tradeinn generally had the best prices on the...

Tradeinn generally had the best prices on the market in the past. But many of their prices are now aligned with the market (even bigger here and there).
I bought 5-6 times from them, and everything...
Forum: Bicycle Mechanics
01-28-24, 04:36 PM
Replies: 47
Views: 1,330
Posted By Redbullet

What "granny" means? Small chain ring? Most cogs...

What "granny" means? Small chain ring? Most cogs shift ok with small ring for my (filed) setup. The problems appear with higher chain tension combinations - that is where big gap between pulley and...
Forum: Bicycle Mechanics
01-28-24, 03:50 PM
Replies: 47
Views: 1,330
Posted By Redbullet

It was the cheapest reliable road bike...

It was the cheapest reliable road bike configuration I could get years ago for trainer (around 320 EUR, heavy but still usable as replacement for road rides). Upgrading from 8 to 10 cogs was 40% of...
Forum: Bicycle Mechanics
01-28-24, 03:31 PM
Replies: 47
Views: 1,330
Posted By Redbullet

P.S.: I'm still thinking about that shorter...

P.S.: I'm still thinking about that shorter hanger... :)
Forum: Bicycle Mechanics
01-28-24, 03:28 PM
Replies: 47
Views: 1,330
Posted By Redbullet

Yes, I assume you are right. Shimano manual...

Yes, I assume you are right. Shimano manual should reflect that also, but it does the opposite - thus, it is misleading. My first serious encounter with Shimano was 50% fail. I had difficulties with...
Forum: Bicycle Mechanics
01-28-24, 02:50 PM
Replies: 47
Views: 1,330
Posted By Redbullet

After experiencing Tiagra GS, I also can say that...

After experiencing Tiagra GS, I also can say that maybe SS works better. However, Shimano manual lists SS as 33T capacity (vs my 34T) and 16T max front difference (vs. my 20T). Furthermore, triple is...
Forum: Bicycle Mechanics
01-28-24, 02:29 PM
Replies: 47
Views: 1,330
Posted By Redbullet

I filled the whole material on the left of the...

I filled the whole material on the left of the red line. B screw contacts now the hanger area in the same way as original, but (roughly) 5 mm farther. If I screw it in 5mm now, I put the derailleur...
Forum: Bicycle Mechanics
01-28-24, 02:20 PM
Replies: 47
Views: 1,330
Posted By Redbullet

Bad news, then. Warranty or further investigation...

Bad news, then. Warranty or further investigation won't do much because the derailleur or setup have no mechanical issues and they work: they work as they were manufactured to work, but not as Tiagra...
Forum: Bicycle Mechanics
01-28-24, 01:56 PM
Replies: 47
Views: 1,330
Posted By Redbullet

Although it is advertised as working with...

Although it is advertised as working with cassettes with largest cog between 25 and 34 teeth (on triple), it looks that Tiagra GS design can only shift crisp with cassettes with largest cog around...
Forum: Bicycle Mechanics
01-28-24, 01:34 PM
Replies: 47
Views: 1,330
Posted By Redbullet

Larger cassette is out of scope, and I would like...

Larger cassette is out of scope, and I would like to avoid further investment in 105.
I already filed a large portion of the hanger (red line in the picture). It improved shifting up to a certain...
Forum: Bicycle Mechanics
01-28-24, 11:48 AM
Replies: 47
Views: 1,330
Posted By Redbullet

The hanger is around 25mm, so, within requested...

The hanger is around 25mm, so, within requested limits.I bet mine would also work nice with 11-32. Finally, B screw does adjust the pulley up, but not more than total 3-4 mm (therefore, I did not...
Forum: Bicycle Mechanics
01-27-24, 04:40 PM
Replies: 47
Views: 1,330
Posted By Redbullet

I am not resistant at all, I want this issue...

I am not resistant at all, I want this issue fixed. There is such a large free play fore - aft in the derailleur before touching the B control, that I feel B screw does not work no matter what....
Forum: Bicycle Mechanics
01-27-24, 04:11 PM
Replies: 47
Views: 1,330
Posted By Redbullet

I understand your point, but B screw does not...

I understand your point, but B screw does not move derailleur position at all, not even "indirectly". Finally, I found a lot of complains about this on the internet. Apparently, users had to accepted...
Forum: Bicycle Mechanics
01-27-24, 02:53 PM
Replies: 47
Views: 1,330
Posted By Redbullet

P.S.: When I say "90 degrees" I mean the angle...

P.S.: When I say "90 degrees" I mean the angle made by the line that passes the centers of the pulleys to the ground. But this line can not go up to the center of the cogs. To do that, a specially...
Forum: Bicycle Mechanics
01-27-24, 02:42 PM
Replies: 47
Views: 1,330
Posted By Redbullet

Can we be sure of that? If I remove 1 more pair...

Can we be sure of that? If I remove 1 more pair of links, it will not be 90 degrees, but maybe 2-3 degrees on the "right side", which will also mean that "big - big" position will stretch the...
Forum: Bicycle Mechanics
01-27-24, 02:39 PM
Replies: 47
Views: 1,330
Posted By Redbullet

Yes, I did. I attached then, as an answer, a...

Yes, I did. I attached then, as an answer, a picture with derailleur position Small ring / Large cog. But even so, B screw has no impact at all on the derailleur position. That is because the body of...
Forum: Bicycle Mechanics
01-27-24, 02:29 PM
Replies: 47
Views: 1,330
Posted By Redbullet

Thanks for the info and link. The chain was a...

Thanks for the info and link. The chain was a little longer, so I removed one more pair of links. Angles cannot be shown in pictures, but I attached a photo below. It is still 1-2 degrees on the...
Forum: Bicycle Mechanics
01-27-24, 06:50 AM
Replies: 47
Views: 1,330
Posted By Redbullet

No, it is the opposite. The first picture in my...

No, it is the opposite. The first picture in my first post shows the position of the derailleur in "big-big" gear: the derailleur body is far back and the distance to cogs is too big. The second...
Forum: Bicycle Mechanics
01-27-24, 05:00 AM
Replies: 47
Views: 1,330
Posted By Redbullet

Thanks for the answer. It is GS version,...

Thanks for the answer.
It is GS version, because the short version had not enough capacity and it is not recommended for triple crankset. Chainring min/max is 50/30. Cassette is SRAM 12/26, with...
Forum: Bicycle Mechanics
01-26-24, 05:34 PM
Replies: 47
Views: 1,330
Posted By Redbullet

Taking a closer look at your scheme, I wonder...

Taking a closer look at your scheme, I wonder whether the 30 to 35 degrees angle is, in fact, bigger on my hanger. Playing with the system, I feel that if I decrease that angle, the derailleur might...
Forum: Bicycle Mechanics
01-26-24, 05:27 PM
Replies: 47
Views: 1,330
Posted By Redbullet

I bought it as new from the bike shop and it...

I bought it as new from the bike shop and it really looks as new and unpacked. I seriously doubt that it was used in any way.
Forum: Bicycle Mechanics
01-26-24, 05:17 PM
Replies: 47
Views: 1,330
Posted By Redbullet

This I don't understand. I simply screwed the...

This I don't understand. I simply screwed the derailleur on the hanger, just taking care that B screw is in the position to touch the dedicated "shoulder" to action on it when screwed. B screw does...
Forum: Bicycle Mechanics
01-26-24, 05:11 PM
Replies: 47
Views: 1,330
Posted By Redbullet

I don't know and it looks hard to measure, but......

I don't know and it looks hard to measure, but... I'll try.
The hanger worked very well with the original Microshift 8 speeds derailleur.
But Tiagra B adjustment looks strange to me: between fully...
Forum: Bicycle Mechanics
01-26-24, 04:03 PM
Replies: 47
Views: 1,330
Posted By Redbullet

Tiagra 4700 rear derailleur B screw not effective

I recently found an offer for new Tiagra 4700 (10 sp.) right shifter and rear derailleur, which I used to replace an older 8 sp. mechanism from Microshift (triple).
All good, the new system has...
Forum: General Cycling Discussion
01-20-24, 01:27 PM
Replies: 132
Views: 8,259
Posted By Redbullet

Absolutely not the case. What about cars parts,...

Absolutely not the case. What about cars parts, then? they are hundred times more complex than bike parts, but you can buy them free on the market. Besides, the fork came to me as new and unused, but...
Forum: General Cycling Discussion
01-19-24, 03:51 PM
Replies: 132
Views: 8,259
Posted By Redbullet

Not all brands but, I think, many well known...

Not all brands but, I think, many well known brands which I researched last year when I decided to buy a Canyon, despite the drawbacks. They are not quite "complicated" parts, but just proprietary...
Forum: General Cycling Discussion
01-19-24, 03:24 PM
Replies: 132
Views: 8,259
Posted By Redbullet

I can't agree that. First, let's forget a minute...

I can't agree that. First, let's forget a minute about Canyon, because this is a practice that other well known producers apply as well. I can not even say that Canyon was the first to apply it....
Forum: General Cycling Discussion
01-19-24, 03:04 PM
Replies: 132
Views: 8,259
Posted By Redbullet

Well... they indirectly do. Because other brands...

Well... they indirectly do. Because other brands also have similar approach. The options that remain to me is either not buying a bike at all, or buying another low brand and quality. This is not...
Forum: General Cycling Discussion
01-19-24, 02:11 PM
Replies: 132
Views: 8,259
Posted By Redbullet

Maybe one would expect proprietary parts /...

Maybe one would expect proprietary parts / systems on the top-end level bikes (around 10,500-euro tag price for Canyon) but I am afraid the things went much farther. Much lower tiers around 4000 EUR...
Forum: General Cycling Discussion
01-18-24, 05:32 PM
Replies: 132
Views: 8,259
Posted By Redbullet

Maybe even worse: the clamping system to steer...

Maybe even worse: the clamping system to steer tube, as well as the shape of the steer tube around clamping area are special (maybe proprietary?). If you want to switch to classical stem or other...
Forum: Bicycle Mechanics
12-27-23, 05:08 AM
Replies: 17
Views: 783
Posted By Redbullet

Thanks. I have just played with the chart; it...

Thanks. I have just played with the chart; it looks that 13t would not give a good maximum speed on the trainer, since the large ring is only 50. Switching from 11t to 12t smallest cog would be more...
Showing results 1 to 50 of 704
 
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