Essential training tools for performance oriented cyclists
SRAM Quarq Power Meter DZero DUB AXS Spider- BCD 110 mm
The specialists for power measurement systems from QUARQ have made their DZero and DFour power meters fit for the universal SRAM DUB crank standard.
QUARQ - SRAM DFour DUB Power Meter Crank
Reach new goals and explore new roads with a power meter that delivers on accuracy, durability, and reliability. The DFour DUB was designed specifically for Dura-Ace R9100 chainrings.