Disc brakes in the rain.

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summerdays

Cycling in the sun
Location
Bristol
GrasB said:
Assuming your bike is set up for rim only brakes doing a front disc conversion requires:
* new front wheel
* the brake its self
* new forks
you may also need to buy a new headset, possibly change your brake leavers. If you want a rear disc you're now talking about a new frame, that's a big expense especially if you'er not confident or competent enough to swap everything over to the new frame. It's one of the reasons I got a bike with discs on this time which wasn't quite what I wanted.

Why might you need a new headset?

Mr Summerdays went down the conversion route a year or so ago ... me I took the easy route and just bought a bike with disk brakes on after I was fed up replacing/adjusting v-brake pads, and having grey slime all over the wheels.
 

HJ

Cycling in Scotland
Location
Auld Reekie
Fortunately my frame does have disc brake mounts, so it is the brakes, forks and hubs, or I could just go for the n+1 approach... :sad:
 

GrasB

Veteran
Location
Nr Cambridge
summerdays said:
Why might you need a new headset?
It's not a given that you will need a new headset, it's also not a given that you won't either as I found out. In my case I found the crown race was built into the old forks & it's a weird design that you can't get spares for. I've also had a crown race warping & then split during removal. It's fine if you can get a replacement but sometimes you simply can't so it's new headset time.
 

skrx

Active Member
Jezston said:
Boy do they howl when it's wet!

See if you can play a tune :-D

My discs make a reasonably nice tone (rather than a screech) but it's not rained enough for me to get much practise...
 
2Loose said:
Roll on the creation of hydraulic STI levers

Yes please.
Drops & (mechanical)discs may be possible at the moment but it all just seems a bit of a fudge.
My son has a carrera Gryphon - discs + flat bars which is nice. Hydraulic discs would be an easy conversion. The Titec H-bars give a bit more variety but still have an hankering for drops.
 

BigSteev

Senior Member
GrasB said:
It's not just an efficiency thing though, it's a confidence & modulation thing. While in ultimate power the calipers on my road bike match the discs on the hybrid when they're called on the hybrid always inspired confidence & are much easier to modulate, also because they're hydraulic rather than cable the hybrids brakes actually have feel.

Exactly the opposite of my opinion. I run discs (Avid juicy 3.5s?) on my Big Sur and, to be honest, I hate them. I can't seem to adjust the point in the lever's arc at which it makes contact and they seem to either be on or off, no feel whatsoever. Yes, they can lock a wheel quickly, but that's exactly what I don't want to happen while braking. If I could retro fit a nice set of V-Brakes I would, but there are no mounts for them.
 

GrasB

Veteran
Location
Nr Cambridge
I've used Avid Elixir R & Hope X2 hydraulics & both of them have knocked spots of the best V-brakes I've used for modulation & feel. I will say I wasn't impressed with the X2s until I spent a good 40 min setting the brake lever up & bedding the pads in properly.
 

Sheffield_Tiger

Legendary Member
Every time I get on my rim braked road bike I wonder how I ever coped with rim brakes...


....

then I realise that my road bike's calipers are far superior to the cantis that i used to have..

..and that the cantis i used to have were far superior to steel sidepulls...

..then I wonder how the bloody hell we ever actually stopped!
 
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