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Designed for Shimano 11-speed groupsets and Dura-Ace® 9000 chainrings. Compatible with Ultegra® 6800 and 105® 5800 chainrings.
Designed for Shimano®’s lightweight, ergonomic Dura-Ace® groupset, DFour is Quarq’s most advanced Shimano®-compatible power meter ever.
Make the most of your Shimano® Dura-Ace® R9100 groupset by upgrading to Quarq’s DFour91 power meter, which embodies all the advances of the next-generation DZero platform.
Upgrade a Quarq 8-bolt power meter (see below) or Quarq Prime Power Ready crankset with a DFour91 power meter to make the most of your Shimano® Dura-Ace® R9100 groupset, which embodies all the advances of the next-generation DZero platform.
Quarq’s next generation in power meters, compatible with 10- and 11-speed drivetrains.
Quarq’s next generation in power meters, compatible with traditional 10- and 11-speed drivetrains.
Upgrade Quarq Prime or SRAM RED Power Ready Cranksets with a Quarq DZero Power Meter Spider. Legacy Quarq and SRAM power meters with the 8-bolt interface can also be upgraded.
Built specifically for SRAM’s groundbreaking RED groupset, and compatible with all of SRAM’s road groupsets.