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Search: Posts Made By: Racing Dan
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Forum: Road Cycling
09-19-22, 01:10 PM
Replies: 34
Views: 594
Posted By Racing Dan

Clearly it should just set off an alarm. Watching...

Clearly it should just set off an alarm. Watching tyre pressure while riding isn't useful. If I was really concerned flatting while descending at high speed, Id take a stronger tyre over a "you are...
Forum: Road Cycling
09-13-22, 08:57 AM
Replies: 11
Views: 447
Posted By Racing Dan

I recently replaced a pair of praxis rings at...

I recently replaced a pair of praxis rings at barely 10.000 mi. The little one was optically worn but worked OK. The big one may have have had some more miles in it, but a pair of fresh 5 arm Shimano...
Forum: Road Cycling
09-10-22, 08:00 AM
Replies: 198
Views: 4,308
Posted By Racing Dan

Ive seen several crashes caused by failing to...

Ive seen several crashes caused by failing to unclip. Arguably, all of them user error. However it wouldn't have happened fad the bikes been fitted with flat pedals. I believe, to the average cyclist...
Forum: Road Cycling
08-20-22, 03:52 AM
Replies: 23
Views: 499
Posted By Racing Dan

I've been riding XT flats with the shallow pins...

I've been riding XT flats with the shallow pins on my commuter for some time now and its been great. I can use normal sneakers or mtb shoes, I can get on/off the bike and walk, don't have to clip...
Forum: Road Cycling
08-14-22, 03:25 AM
Replies: 56
Views: 1,541
Posted By Racing Dan

Simple. You are not "allowed" to not follow...

Simple. You are not "allowed" to not follow current orthodoxy, that is, "soft tyres are faster". Above I posted a link to some actual data, clearly showing the faster pressure on normal roads are...
Forum: Road Cycling
08-13-22, 12:40 AM
Replies: 62
Views: 2,139
Posted By Racing Dan

- How do I think sealant would get into the valve...

- How do I think sealant would get into the valve (an gum it up) ? Sorry to burst your bubble, It happens. Sometimes to the point it becomes a real PITA to inflate the tyre.


- Never mind? Sure!...
07-21-22, 05:20 AM
Replies: 139
Views: 2,834
Posted By Racing Dan

This is only true in a vacuum and with zero...

This is only true in a vacuum and with zero rolling resistance. In the real wold more speed equal more energy. That's the reason cargo ships only arrive just in time, you get lower mileage on you EV...
07-13-22, 12:42 AM
Replies: 19
Views: 668
Posted By Racing Dan

Looks like an older 6800 or 5800 Shimano FD. A...

Looks like an older 6800 or 5800 Shimano FD. A 4700 tiagra FD looks just the same. Note its Band-on, making it easier to get it low enough. If you are into low gears Id suggest looking into GRX FDs,...
07-10-22, 10:20 AM
Replies: 147
Views: 3,446
Posted By Racing Dan

Other than "more of the same" ie, 13 speed, its...

Other than "more of the same" ie, 13 speed, its hard to see anything new on the horizon. DI2 + Auto shifting ? It might work, if they can manage to make a drive train that would shift smoothly under...
07-06-22, 08:34 AM
Replies: 32
Views: 677
Posted By Racing Dan

Imo, get the proper stuff. Its Not rubber cement...

Imo, get the proper stuff. Its Not rubber cement and Its just not worth it having at patch job fail on account of saving a dollar or two. If you tend to collect flatted tubes to bulk patch, I suggest...
07-06-22, 08:12 AM
Replies: 32
Views: 677
Posted By Racing Dan

Unless you have the suggested supplies at hand, I...

Unless you have the suggested supplies at hand, I highly doubt its worth it. Imo, just get at fresh tube of "glue" and get on with it. Getting a bazillion patches and a big bottle of glue seem like...
06-26-22, 05:58 AM
Replies: 22
Views: 761
Posted By Racing Dan

Spraying all sorts of oil or homebrew is a waste...

Spraying all sorts of oil or homebrew is a waste of time and money. No amount of spraying and waiting will unstick the post. - You need brute force or the slightly less ham fisted method, that is...
Forum: Road Cycling
06-17-22, 08:41 AM
Replies: 38
Views: 943
Posted By Racing Dan

This is true. More money = less weight (less...

This is true. More money = less weight (less padding, more carbon, more titanium etc.) Not more comfort, as a general rule. However the road bike orthodoxy says more seat padding = less comfort,...
Forum: Road Cycling
06-14-22, 08:17 PM
Replies: 138
Views: 3,612
Posted By Racing Dan

The real danger is when this garbage gets in...

The real danger is when this garbage gets in general circulation and eventually enters the 2nd hand market. Someone not knowing to look for a hook or even knowing "normal" rims has hooks, will mount...
06-11-22, 10:24 PM
Replies: 38
Views: 808
Posted By Racing Dan

Sure, and quit the clipless pedals. Clipping in...

Sure, and quit the clipless pedals. Clipping in and out 10+ times isn't helping either. I recently got some Shimano XT flats. They are great for urban riding with lots of forced stand stills.
Forum: Road Cycling
06-01-22, 11:50 AM
Replies: 19
Views: 1,003
Posted By Racing Dan

I tend to agree, the less water thee better....

I tend to agree, the less water thee better. However, Imo, cleaning chain, cassette and rings on the bike, takes solvent and a hose. An easy method, that produces a good result, is to place the bike...
Forum: Road Cycling
05-29-22, 06:34 AM
Replies: 177
Views: 3,687
Posted By Racing Dan

The best thing about a triple is you avoid...

The best thing about a triple is you avoid constantly shifting rings in mid speed applications, where with a wide double you are constantly changing rings, with associated compensation shifts and...
05-22-22, 03:11 AM
Replies: 32
Views: 722
Posted By Racing Dan

Just so you know. A crock pot is not needed at...

Just so you know. A crock pot is not needed at all. Any old pot or saucepan will do just fine. Heating wax on the stove is Much faster than waiting for a low wattage crock pot too. It no more...
Forum: Road Cycling
04-30-22, 09:03 AM
Replies: 54
Views: 1,925
Posted By Racing Dan

Power to overcome air drag increases by the CUBE...

Power to overcome air drag increases by the CUBE of the speed. Double the speed and power increases eight (!) fold. That is, as base2 alludes to, the reason wheel manufacturers like to quote watt...
Forum: Road Cycling
04-29-22, 12:12 PM
Replies: 54
Views: 1,925
Posted By Racing Dan

You don't need wide tyres to get the comfort of...

You don't need wide tyres to get the comfort of low(er) pressure. 28mm at 55 psi will feel every bit as comfortable as 35mm at 55psi. Wide (and tall) tyres are needed in case you get rim strikes and...
Forum: Road Cycling
04-21-22, 11:12 AM
Replies: 93
Views: 4,836
Posted By Racing Dan

When discounting direct evidence, because the...

When discounting direct evidence, because the observer didn't ride the bike himself and when limping home at 25 psi doesn't count as flatting, TL is a sure fire winner. - Talk about stacking the...
Forum: Road Cycling
04-13-22, 09:17 PM
Replies: 57
Views: 2,676
Posted By Racing Dan

The real danger is hitting the tarmac at 30 mph...

The real danger is hitting the tarmac at 30 mph in a virtual bathing suit and an eggshell. - Happens in almost every pro road race. Blaming the brake discs is a red herring.
Forum: Road Cycling
04-12-22, 07:12 AM
Replies: 93
Views: 4,836
Posted By Racing Dan

Not to mention the premise of the question isnt...

Not to mention the premise of the question isnt valid. - The idea that you cant ride lower pressure than 95psi, without moving to TL is wrong. He can simply reduce pressure to say 75-80 psi with what...
04-10-22, 02:49 AM
Replies: 99
Views: 4,860
Posted By Racing Dan

ZFC has a VERY bad habit of contaminating test...

ZFC has a VERY bad habit of contaminating test data with speculation and assumptions, all of it extremely time consuming to sort out on account of the writers longwinded and convoluted writing style....
Forum: Road Cycling
04-08-22, 11:19 PM
Replies: 198
Views: 12,431
Posted By Racing Dan

This exactly. Every hookless manufacturer...

This exactly.

Every hookless manufacturer I've ever looked over, have had some semi secret web page with a list of approved and non approved tyres. Usually very short. - And on the forums a bunch...
Forum: Road Cycling
04-08-22, 11:13 PM
Replies: 198
Views: 12,431
Posted By Racing Dan

Claiming hookless is "better" is simply a scam...

Claiming hookless is "better" is simply a scam and a step backwards. 99,99% of all tyres are designed with a hook in mind. They may work on a hookless rim, if you keep the pressure down*, but there...
04-03-22, 11:17 AM
Replies: 16
Views: 471
Posted By Racing Dan

Im fairly certain the distance between the rings...

Im fairly certain the distance between the rings are greater on a 34/50 than a old school 39/53. That would help the chain not rubbing in small/small. Your super short 400mm chain stay doesn't help...
03-20-22, 11:32 AM
Replies: 27
Views: 1,708
Posted By Racing Dan

BBinfinite have been making a very similar...

BBinfinite have been making a very similar product for years. Somewhat cheaper too. Cant speak to either. Im fine with basic Shimano BBs at 1/10 the cost .. :-P
...
03-13-22, 05:57 AM
Replies: 15
Views: 1,057
Posted By Racing Dan

Not everybody agrees knobbies are always better...

Not everybody agrees knobbies are always better on a gravel bike. Knobs add rolling resistance - even on gravel, may be noisy and can have have unpredictable properties on tarmac. Especially if they...
03-13-22, 05:26 AM
Replies: 15
Views: 1,057
Posted By Racing Dan

I have no idea what its like in Florida, but its...

I have no idea what its like in Florida, but its worth noting the SKs got a very low puncture resistance score in the test at bicyclerollingresistance. It may not apply to you, but where I live such...
02-19-22, 03:42 AM
Replies: 44
Views: 5,179
Posted By Racing Dan

Ahh, not really. Hydros are not that hard to...

Ahh, not really. Hydros are not that hard to install. For me the hardest part was routing the hoses through the frame and fork, same has new cables, and squashing one olive. Other than than that my...
Forum: Road Cycling
02-02-22, 06:14 PM
Replies: 29
Views: 2,753
Posted By Racing Dan

All sorts of undampened harmonics going on. No...

All sorts of undampened harmonics going on. No wonder it squeals. I agree its a stick n slip issue, that's why it sounds like a child toying with a violin. Did anyone ever test if a rubber bung in...
01-30-22, 03:55 AM
Replies: 93
Views: 5,525
Posted By Racing Dan

Sure. Its not saving 100g that make fast tyres...

Sure. Its not saving 100g that make fast tyres fast, its low rolling resistance. Saving on rolling resistance has a "much" greater effect on speed and energy expenditure than weight. Saving just 1...
01-30-22, 12:57 AM
Replies: 93
Views: 5,525
Posted By Racing Dan

The problem with you argument is, its based on a...

The problem with you argument is, its based on a wrong assumption, and you make no attempt at quantifying it. I do agree the effect of weight is non zero, but as I said and showed before, its much...
01-29-22, 03:06 AM
Replies: 17
Views: 758
Posted By Racing Dan

Sure, and thanks to every rim being TL...

Sure, and thanks to every rim being TL ready/compatible, the effect spills over to tubes as well. With my latest rims mounting a normal clincher is harder too. Requiring better technique and more...
01-29-22, 12:29 AM
Replies: 27
Views: 1,080
Posted By Racing Dan

YMMV as they say .. I have two bikes with those...

YMMV as they say .. I have two bikes with those brakes and was never satisfied, always fiddling to get better performance. Finally I bit the bullet and got a set of fully hydraulic brakes and they...
01-26-22, 03:12 PM
Replies: 93
Views: 5,525
Posted By Racing Dan

Sure, Im wrong. The difference IS non zero, but...

Sure, Im wrong. The difference IS non zero, but it is close tho. I have no idea what you consider a long climb, but for instance, climbing at a rate of 2000 ft per hour, saving 1 lbs will save you...
01-15-22, 08:07 AM
Replies: 164
Views: 8,250
Posted By Racing Dan

Sure, expensive bikes that also cant be repaired...

Sure, expensive bikes that also cant be repaired is a nuisance too. Maybe the holier than thou bike shops stop selling electronic drive trains and proprietary bike parts, or is it only box-mart that...
01-15-22, 01:23 AM
Replies: 47
Views: 2,329
Posted By Racing Dan

Yeah, most modern rear hubs have a weird design...

Yeah, most modern rear hubs have a weird design that share the or even amplifies the #1 shortcoming of the older freewheel type. That is the right hand bearing being located all the way in, near, or...
01-14-22, 07:50 AM
Replies: 164
Views: 8,250
Posted By Racing Dan

Maybe if the minimum wage was more than...

Maybe if the minimum wage was more than "$zero/hr" the market for such bikes would cease to exist or shrink to the point it wasn't profitable any more. I guessing 1/2 the cheap bikes sold in X-mart...
01-14-22, 07:41 AM
Replies: 8
Views: 643
Posted By Racing Dan

Dont know that model, but no matter, get at...

Dont know that model, but no matter, get at computer with digital transmission. Analog transmission is prone to noise pickup that can make the speedometer and odometer unreliable.
Forum: Road Cycling
01-12-22, 09:38 AM
Replies: 24
Views: 6,032
Posted By Racing Dan

Sure. The faff and expense ppl are willing to put...

Sure. The faff and expense ppl are willing to put up with, to not run perfectly fine clinchers and butyl tubes, or to get tiny perceived "gains", never fails to bogle my mind.
01-09-22, 06:53 AM
Replies: 75
Views: 2,735
Posted By Racing Dan

A road bike chain should last a lot longer than...

A road bike chain should last a lot longer than 1500 mi. Something is up with your lube, cleaning or both. Or, Im guessing, you are discarding the chain prematurely based on a faulty chain gauge.
Forum: Road Cycling
01-09-22, 04:31 AM
Replies: 81
Views: 5,121
Posted By Racing Dan

Before choosing between alloy vs carbon, you...

Before choosing between alloy vs carbon, you should consider shape carefully. Me, I much prefer an all round bar made from a slim tube, and thick tape. I too have a fuji and very much dislike the bar...
01-02-22, 02:52 AM
Replies: 11
Views: 872
Posted By Racing Dan

Just ride a small crank all the time? Likely you...

Just ride a small crank all the time? Likely you do no not need very tall gears anyway, being 67 and all. Im 47 and seriously considering a 46/30 grx or a 31/48 grx, with the matching FD. That way a...
01-01-22, 08:59 AM
Replies: 56
Views: 1,745
Posted By Racing Dan

According to bicyclecalculator the answer is NO...

According to bicyclecalculator the answer is NO (but maybe YES :-)

Riding 100mph in 0mph wind takes 21508w
Riding 50mph in 50mph headwind takes 10754w
Riding 1mph into a 100mph headwind takes...
Forum: Road Cycling
12-20-21, 07:20 PM
Replies: 43
Views: 2,469
Posted By Racing Dan

Its not a spare part issue, nor is it a supply...

Its not a spare part issue, nor is it a supply chain issue.

Its a SRAM stopped making the entire part, that you also couldn't repair in the first place, issue. Completely cornering the customer,...
12-19-21, 04:40 AM
Replies: 22
Views: 992
Posted By Racing Dan

You should just get it if you want it, but Id...

You should just get it if you want it, but Id argue 99% of the perceived air loss when disengaging a normal pump head is from the hose, not the valve, - unless of course its a particularly inept...
12-18-21, 02:32 AM
Replies: 27
Views: 1,924
Posted By Racing Dan

QR works fine in my Fuji Sportif with hydro...

QR works fine in my Fuji Sportif with hydro brakes. When replacing a wheel I turn the bike on its head and make sure the wheel is All the way in before clamping the QR. That way the wheel is placed...
12-18-21, 01:52 AM
Replies: 16
Views: 1,136
Posted By Racing Dan

Its perfectly fine. The usual standard, ETRTO,...

Its perfectly fine. The usual standard, ETRTO, followed by most manufacturers, allows much larger than 43mm tyre on a i19mm rim.
...
Showing results 1 to 50 of 184
 


 
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