Racing Dan

Yes, obviously road grip diminishes when its wet, but the claim that the brake is the same is false. Bike disc brakes are severely affected by rain.

redlude97

All this talk about what is and isn't affect by rain/wet is hilarious. We already worked this out in cyclocross. 99% of the bikes I see there now are disc except for a few carbon canti masters racers who readily admit they are sticking to inferior carbon wet braking due to cost

Seattle Forrest

The rotors just turn to rust instantly and wither away, like witches in the Wizard of Oz.

WhyFi

And then you get tetanus when you lose a finger to a rusty disc.

colnago62

Yes and mountain bikes also. I watch a fair amount of cross on Flo Sports. Those guys have amazing balance and ability to stay upright. Watching riders navigate some of those mud pits is incredible.

Seattle Forrest

And they weigh 50 to 100 pounds. Nobody has ever climbed a hill with a disc brake bike. The only good thing about them is if a thief ever tries to steal your bike they'll throw their back out. The only reason anybody likes them is brainwashing by the bike industry, they put something in the water and in contrails from jet planes.

Step 1: Kill off rim brakes
Step 2: ???
Step 3: Profit

Seriously, the things people seem to believe about them are kind of goofy.

Racing Dan

Ridecule me all you want, doesn't change a thing, except show you have no real arguments.

tagaproject6

Don't take yourself too seriously, nobody does.

redlude97

How would you describe how carbon rim brake bikes are affected by the rain if you use severely to describe disc brake bikes capability

bruce19

Rim brakes will kill you in the rain. Disc brakes will slice up bodily parts. I'm taking the brakes off all my bikes.

tagaproject6

That would be "super ridiculously mega" affected.

Racing Dan

Laugh all you want. I can't hardly hear you any way. Your discs squeal too loud ... ;-)

Have no ide why ppl have such a hard time with this. It's just fact. Discs squeal and loose brake power in the rain. Rimbrakes are crap too. Especially with carbon rims.

tomato coupe

You're making a classic straw man argument -- no one on this thread has stated that disc brakes are unaffected by rain.

Racing Dan

I wasn't addressing anyone In particular. Still feathers were ruffled :-)

masi61

One point I would make is about disc brakes on group rides has to do with how quickly a few of our riders in a pace line will decelerate. I don't know if this falls under "modulation" or what it is but one particular lady who is quite fast who is riding a 2019 Specialized disc Tarmac has almost gotten rear ended by me and my Dura Ace 7800 dual pivot caliper/Mavic Open Pro rim brake on a couple of occasions. Partly (maybe) it might be me decelerating too slowly but mostly it is her decelerating too fast.





Just curious if over braking has been an issue with other road riders. It seems that hydraulic disc brakes on uber lightweight bikes ridden by lightweight riders is the main culprit.





The new titanium Wittson disc frame that I just bought that will be built up has specially curved rear seat stays to accommodate 160 mm rotors to go with the 160 mm front rotors. This sounds like a lot of braking power to me. Which is mostly a good thing. I'm looking forward to finding out.

Seattle Forrest

A hummingbird flew into my home the other day, I caught it in a towel, feathers were for sure ruffled. 🐣

MoAlpha

I ride discs in disorderly groups all the time and find them not much different in routine operation from the DA 7800-Al rim combination I have on my other road bike. That said, I am an experienced rider and know wtf I’m doing most of the time.

Seattle Forrest

That's right, nobody has an argument to counter the idea that disc brakes are severely diminished in the rain. This is actually an area where rim brakes are much better than discs, but we're trying to keep that a secret because we all get paid every time a rotor comes off and decapitates someone.

I don't know if you've heard, but it rains a lot in Seattle. People who ride here, a lot of us have been doing it long enough to have ridden rim braked bikes, those used to be a thing. Everybody who's had experience riding both types of brake systems in the rain thought you were pulling our legs.

Duragrouch

For an overseas touring bike, I'd like discs, but with V-brake posts on the frame in case something goes wonky and I need to fit V-brakes in a pinch. Maybe this will not be an issue as discs become ubiquitous, wait, let me be more specific... as they standardize mountings, calipers, rotors, and pads so replacements are ubiquitous. I suppose that would stifle innovation, so perhaps not good. So for overseas travel I would spec the brakes for high reliability and high availability of parts. Or carry one spare caliper, rotor, disc, pads.

Chi_Z

yeah but you will end up pay more when you wear through the brake tracks on your $900 ENVE rims

Chi_Z

you can just run cabled disc, they work just as well but need an extra finger for the same braking force

Kimmo 

Lol. They do not.

Endless adjustment due to the pad wear being magnified by the mechanical advantage necessary for discs. Those with disc bikes and cable levers should all be using a hybrid caliper like that TRP number.

Chi_Z

i have tried TRP spyer to Juintech F1 and now to 8070 di2 Hydro, yes full hydro will allow 1 finger braking from the hood where cable and hybrid would require at least 2 fingers. In the drops, there is little difference because you get alot more leverage on the lever pull. The pad wear adjustment on cabled disk is simply a turn of a screw, it takes 1 second to do and not a big deal. If you are doing so much braking that you wear out the pad on a single ride, I guess you should go full hydro.

Kimmo 

I guess I was thinking of the delivery riders coming into the shop every week on their poxy e-bikes for brake adjustments. Cheapest fix in the not very long run was to throw a Shimano hydro brake on instead of adjusting.

But yeah, a decent brake instead of yum cha junk makes adjustment much less hassle.