CHAINRING SPIDER SRAM POWERMETER XX1 EAGLE DUB BOOST AXS BK 8-bolt

Must use XX1 DUB crank arms with 8-bolt spider attachement system - Sold as special crank arms only (#211761 / #211762)
Compatible with all Sram Road DUB BBs, DUB:BSA73, PF89.5, PF92, PF30 MTB73, BB30 MTB73, and BSA MTB68SP
Bluetooth low energy technology and ANT+ wireless data transfer
MagicZero - automatically checks and recalibrates your power meter as you ride ??? no need to manually calibrate
AxCad - no cadence magnet required
200-hour battery life on common CR2032 battery
OmniCal technology allows swapping of chainrings without affecting accuracy
DZero dub is designed for the most major brands of 10- and 11-speed chainrings
XX1 Boost and non-Boost power meter spider must be paired with a XX1 Eagle DUB 8-bolt crankset and a 104BCD X-SYNC 2 chainring