but do not offer the night and day performance benefit that some claim
User482,
Sorry, but set of hydraulic disc brakes from the main brand players ( Hayes 9's, Shimano Deore or above, Hope Mono series, Magura ) simply do offer a significant improvement in braking. In the dry, i can kill speed with less effort and pull on the levers, and in the wet, there is no contest.
Yes, V-brakes and rim brakes will stop me. But the discs do it significantly better and with much more ease .... to me, that is a better performer.
I have a road bike with normal brakes.
I have a hardtail which has had in order:
- XT V-brakes and levers ( i.e. a good quality v-brake )
- Shimano Deore mechanical discs
- Hayes 9's Hydraulic discs
- now has Shimano Deore hydraulic discs ( 160mm rotors )
I also have a full suspension with Hope Mono M4 hydraulic brakes ( 180mm front rotor )
Time and time on all bikes and brake versions, i've ridden a bit of road which has 2 main descents where with a tuck its easy to reach 35mph and normally closer to 40mph ( on all the bikes ).
In all weathers, the discs win out, its why i changed the hardtail. With the roadie and the V-brake version hardtail, stopping at the bottom for the 90° bend was doable, but i feel with the road bike getting the speed down is something where i'm running up to the corner thinking " slow down, slow down, pull harder, slow down " when i'm on the levers. With any of the disc bikes, its just a non issue. Run up to the corner, pull the levers and progressively increase the pressure and the speed falls away.
Do I think that discs are a thing for road bikes though ? Nah, not really. Normal brakes do stop me. but for mountain bikes, yes, its the way to go.