Quarq's power meter technology is reliable, accurate and easy to use. Now available as a spider by itself as an easy upgrade for existing cranks. The DFourzero series offers improved data transfer and frame fit compatibility.
- Compatible with these power meter cranks: Quarq Elsa RS, Quarq Riken Al, Quarq Riken R (produced July 2015 and later), SRAM XX1, 2016 and later SRAM Red power meter cranks (Red eTap graphics)
- Compatible with these non power meter cranks: Quarq Prime and SRAM Red BB386EVO
- Not compatible with Quarq Elsa R cranks
- Brand: Quarq
- Manufacturer Part Number: 00.3018.173.000
- UPC: 710845795701
- Chainring BCD: 110