No se deberían tocar x que los contaminas con la grasa de tu piel, quedan con poco rendimiento y sonoros.
1. Touching the rotor’s brake surface. Two problems here. One, rotors can get really, really hot after braking—so touching one after a descent or at the end of a ride could be unpleasant. Two (and most important), oils from your fingers can contaminate the rotor and cause a loss of brake power (and make the brakes noisy, too). Which is very much like…