Shimano STEPS RT-EM900 disc brake rotor for speed sensor systems provides consistent and powerful braking on rugged mountain bike trails.
- Shimano combines their Ice Technologies with Freeza construction for a rotor that rapidly dissipates heat, for more consistent braking performance in extreme conditions, longer pad life, and less brake fade and noise
- The Center Lock mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design
- Designed for rear only with magnet bracket
- Rotor Type: Two Piece
- Hub/Disc Compatibility: Center-Lock Disc
- Rotor Size (mm): 180
- Weight: 142
- Pad Compatibility: All Pad Compounds
