Sram AXS D1 Power Meter Spider for threaded chainrings - XX XXSL (includes 8 screws and threads)

AXS D1 Power Meter Spider for Threaded Chainrings - XX XXSL (includes 8 screws and a threaded backup pin for the chainring) Thanks to its new spider design, this power meter delivers the most accurate and reliable measurements ever. The new spider design utilizes a proprietary chainring mounting system that reduces weight without compromising reliability. The dual-sided measurement system calculates total wattage, is unobtrusive, lightweight, and offers unmatched battery life. It’s also compatible with the RockShox Flight Attendant system, enabling full connectivity between all AXS components. An uncompromising, high-performance data source that gives you an edge over the competition. - New design with proprietary chainrings, available in a 32–38T range. - Compatible with RockShox Flight Attendant - Accuracy: +/-1.5%. - The CR2032 battery is user-replaceable. Battery life: 200 hours. - Data transmission via Bluetooth Low Energy wireless technology. - MagicZero—automatic monitoring and calibration of your power meter while riding. - AxCad—no cadence magnet required. - 10K temperature compensation. - Waterproof (IPX7 waterproof up to 1 meter for 30 minutes). Features Platform XX T-TYPE Bolt Spacing Thread Mount Axle Type DUB Power Meter Type Spider