However, the HY/RD pads should self-adjust for wear – something no mechanical caliper does currently – the open hydraulic system should also maintain a consistent pad contact point, and the HY/RD should be lighter than current mechanical-to-hydraulic conversion systems such as from Hope, Tr!ckstuff and even TRP.Īs with the Spyre, there’s an integrated barrel adjuster on the HY/RD, but given the hydraulic system’s self-adjusting nature we expect it to be more of a setup aid than anything else.Extended Returns Period - Coronavirus - 60 daysĭue to the recent COVID-19 pandemic, we wanted to make returns as easy & stress-free as possible for you.
One might question why TRP would bother with something so complicated given that much of a hydraulic system’s advantage lies in the way it efficiently transfers lever force into clamping power at the caliper. A conventional brake cable is anchored to a short lever arm on the caliper, which then compresses a small plunger on the on-board master cylinder to clamp the two dynamic pistons on the rotor (AMP’s system, on the other hand, directly clamped the cable to the cylinder plunger and relied on a single-piston, floating layout). The new TRP HY/RD (pronounced “high road”) is even more intriguing with a hybrid mechanical/hydraulic setup somewhat reminiscent of the old AMP Research caliper. New HY/RD combines mechanical and hydraulic features We also have no word yet on whether TRP will release multiple options to accommodate various cable throw ratios from Shimano, SRAM and Campagnolo, but again, the company has done so in the past with some of its conventional dual-pivot rim brakes so it’s not an unreasonable expectation – particularly given that accommodating different cable pulls would require little more than a different bolt-on lever arm. TRP’s new spyre mechanical disc brake looks to be a lighter weight cable actuated option that should appeal to both roadies and ‘cross racers: trp’s new spyre mechanical disc brake looks to be a lighter weight cable actuated option that should appeal to both roadies and ‘cross racers Courtesy
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