1 Pair Metallic Carbon Disc Brake Pads for Shimano BRR7070 / 8070 / 9170 / RS305 / 405 / 505 / 805 / U5000, RX810, RX400 Tektro HDR310 / 510 and TRPHD-C810 / 811 / T910

Metallic carbon (semi-metal)
-Dry and wet conditions
-E-bike

All disc brake pads have a steel backplate.

Lifespan
After assembling, bedding in your new set of disc brake pads is very important and will expand the lifespan of the pads significantly.