Every innovation in Quarq’s DZero platform represented the 10 years of Quarq’s advances in power meter technology. This same platform is now combined with XX1 Eagle™ DUB CARBON TUNED™ crankset - lightest, stiffest and strongest to date, and X-SYNC 2™ chainring - providing significantly quieter performance, with better mud clearing and extraordinary durability. Ready to power every ride.