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Presumably though, they just made the pistons smaller for road use?
How can they have too much power? It's not like they're going to bend a rotor is it? It's just a question of 'can I apply these enough to slow down rapidly, without immediately exceeding tyre grip?'
hippy-
Presumably though, they just made the pistons smaller for road use?
Yes - this is how they've made them compatible with the existing shimano leavers. If the surface area was larger you'd get weird(er) lever throw and modulation issues assuming the distance the pads have to travel to hit the rotor is the same.
Also - the size of the pad is what is dictating the bite, not the amount of pots, although the later kinda defines the former. Again assuming everything else is equal.
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Should have made it clearer, I was expecting the caliper to be similar sized compared to mtb ones which means larger pads and more bite.
Otherwise why go 4 pots?
Howard
coventry_eagle
Too much power for 160 to start with.
180 rotors was the lower end for competitive riders and 205 is pretty much standard nowadays.