DT 240 MTB 32x157x12mmTA XD RATCHET DEG 6B BLACKDT Swiss` new 240 DEG series hubs mark their entry into the world of fast engagement hubs Featuring dual size optimized ratchets with 90 teeth that offer the fastest engagement of the DT portfolio at 4 Utilizing a different angle than similar hubs results in simultaneous full engagement and a larger contact patch than pawl hubs for a balanced load Small idle distance allows for more direct acceleration and finer pedal adjustment in technical uphill