2 Pairs Brake Pads for TRP Tektro Shimano Deore Br-M575 M525 M515 T615 T675 M505 M495 M486 M485 M475 M465 M447 M446 M445 M416 M415 M395 M375 M315 M355 C601 C501(Resin,Semi-Metallic,Sintered Metal)

The 2 Pairs Brake Pads for TRP, Tektro, and Shimano disc brakes exceeded my expectations. Installation was straightforward, and the fit was perfect. These pads are highly effective, providing excellent stopping power. While they do produce some noise, it's just the sound of friction and is much quieter compared to my previous pads.These brake pads deliver the performance you expect from disc brakes. I'm planning to install the second pair on the rear soon. Although I can't comment on their long-term durability yet, I'm very pleased with their performance so far.

The fit my bike with room for the rotor and lock up my tires. That's all I need. This isn't a longevity review, I've only had them installed a couple weeks.

It's so cool

Updated 3/30/2023 for Sintered Metal versionThe new compound is fantastic! There were minor things on the Copper-Based that were easy to live with for the performance. First, the brake material was thinner and backing plate was thicker than OEM. Overall they were under 4mm total. You got less mileage. Also, the Copper-Based did take their toll on rotors. My rear stock TR-24 (180-24) rotor lasted just over 2,000 miles before it was approaching the 1.5mm replacement point (1.55mm at thinnest point).The Sintered Metal have more braking material, a backing plate closer to OEM, and an overall thickness just the tiniest bit over 4mm. Significantly more mileage (over 900 versus 500-600) with all the things we loved about the Copper-Based. The edges do seem a little more brittle, so go easy on wheel changes! Still, I have to say the Sintered Metal are my choice now for this pad form factor.Full disclosure: I was provided a set (4 pads) of Sintered by Corki when I inquired about the compound change. I have since purchased a set (4 pads) as well.Original review of Copper-Based:Purchased the Copper-Based pads to replace A10.11 OEM pads for hyraulic Tektro HD-E 350s on an Ariel Rider Kepler ebike. I had used 0.2mm of the original pads and had enough of their turkey gobbler call when heated up.These Corki Copper-Based pads perform superbly. No more fade and odd sounds by heat buildup. They bring my 26" x 4" wheels, on 90lbs of bike with super grippy slicks, and 225lbs of me, to a quick, controlled stop from 32mph.Whisper quiet stopping with no fade. Do not wait to replace cheap OEM pads. Put these in now!

Fit perfectly on Tektro disc-brakes, but compared to the factory Tektro pads, there was significantly less stopping power / grip than the factory pads. When i removed the factory pads after about 2,500km / 100 rides, these replacement pads had about the same amount of material (thickness) as the factory pads. Maybe that is typical for replacement pads, i do not know, but certainly reduced quality compared to original equipment.