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If a few tenths of a millimeter don't sound worth it, know that tests have shown the SRAM HS2 CenterLock Rounded Rotor to be 7% more powerful than the current standards. At the end of a long downhill, that could mean the difference between faded brakes and full control. Thicker is better!
Two Piece Design – With an aluminum alloy center and steel brake track, these rotors are very lightweight.
Rounded Edges – Rounded edges are UCI-compliant and allow for easier wheel installation.
2.00mm Thick – This extra material is better at managing heat and noise.
CenterLock Hub Interface