The XX SL T-Type Eagle AXS™ Power Meter carbon crankset boasts SRAM's XX SL T-Type crank arm with an integrated power meter to record and deliver live, accurate power readings to your head unit. Utilizing an all-new spider-based design, this is SRAM's most accurate, high performing power meter. The new spider design uses a proprietary chainring mount system which allows reduced weight without compromising reliability. A dual sided power measurement system calculates total watts - it’s subtle, lightweight, and boasts a long battery life. It is also compatible with the RockShox Flight Attendant system, allowing for total connectivity between all AXS™ enabled components. No-compromise, high-performance data delivery giving you an edge over the competition. Key Features Utilizes an all-new spider-based design, this is SRAM's most accurate, high performing power meter New spider design uses a proprietary threaded chainring mount system that reduces weight without compromising reliability Unique, groundbreaking design integrated with SRAM's lightest crank +/- 1.5% accuracy provides your true watts output Bluetooth low energy technology and ANT+ wireless data transfer MagicZero - automatically checks and recalibrates your power meter as you ride AxCad -- no cadence magnet required for reliabilty and a cleaner look Waterproof (IPX7 waterproof to 1 meter for 30 minutes) 55mm Chainline 168 Q-factor DUB bottom bracket and spacers NOT included Specifications Color Black Rings 34 Number of Chainrings Chain Retaining Single Crank Length (mm) 170 Crank Intended Use Mountain Drivetrain Speeds 12 BB Included No Pedal Spindle 9/16" Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Chainline/Hub Compatibility 141/148 Boost Hubs Defined Color Black keyword search 55mm Chainline