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Cheers. Definitely feels like I need to fiddle a bit more to get a feel for what's possible.
I've heard sintered pads squeal a lot.
I took my bike to my LBS and they seemed to think this was the best it could get with mech discs.
I feel everyone went disc brake mad way too soon.
r_mash-
I've heard sintered pads squeal a lot.
They are louder than resin pads, granted, but I have not had one squealing in my experiences, they're more likely to squeal in the wet, but die down once moisture got burn off the rotors.
I'm afraid I cannot comment on what the LBS said as it is not my place to do so, especially the fact I have no idea how it set up without looking at it.
As for everyone went disc brake mad, I think a lots of company simply doesn't realised it need to be carefully build for road bike, for instance when road disc appeared 10 years ago, they use normal brakes housing which made brakes like the Avid BB7s felt horribly spongy, now with decent compressionless housing like the Yokozuna Reaction, they felt massively sharper and bite better.
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Sintered squeal at low speed/start of your ride but it'll disappear once you've ridden and braked a bit.
edscoble
coventry_eagle
The problem with such brakes as the TRP Spyres is that while it is actually easy to step up, it is also easy to not do it correctly.
It's within the realm of possibility to get it set up nicely, in some batches of the Spyres, the pads doesn't sit straight in the calipers (not uncommon with mechanical disc, BB7 suffer the same issues as well as Shimano), sometime the frame's mount isn't faced 100% to allow the pads to hit the rotor 100% straight, also you have to make sure the arm on the calipers return almost fully and the pads as close as possible to the rotor (again the same on all mechanical brakes).
TRP (and Shimano) brakes come with resin pads to enable better modulation and reduced rotor wear, however a sintered pads (metal) offer a better bite, with the increase wear in rotor and less modulation, basically more grabby.
I'm afraid I have yet to tried a sintered pads on those Shimano/TRP/etc. set up, but can't imaging why it wouldn't work better when a sintered pads on road hydraulic offer a great bite.
Personally given how cheap rotor can be, I'd be happy to compromise the expense of rotor wear for more bites.
Someone mentioned Uberbike for pads, and think have been vouched for;
https://www.uberbikecomponents.com/view-product/Uberbike-Tektro-Draco-Dorado-Orion-Auriga-Aquilia-Sintered-Disc-Brake-Pads