R45D hubs combine low-drag 45-tooth RingDrive™ system a lightweight hub body and legendary made-in-house bearings. The result is the increased power and modulation of disc brakes the fast smooth rolling speed of our bearings and the superior responsiveness of our RingDrive engagement system when you put the power down.

Patented RingDrive system with 45 simultaneously engaged points of contact for virtually drag free engagement

Easily serviceable and completely re-buildable with our R45 Hub Service Tool

Rear Axle	12mm Thru x 142mm
Cassette Body Type	SRAM XDR
Color	Black
Skewer Included	No
Bearing Type	Sealed Cartridge
Defined Color	Black
Spoke Interface	J-Bend
Hub Drilling	28
Hub/Brake Compatibility	Center-Lock Disc