SRAM XX SL Eagle T-Type AXS Power Meter Crankset - 175mm 12-Speed 34t Chainring DM Thread Mount DUB Spindle Interface Black The XX SL T-Type Eagle AXS(TM) Power Meter carbon crankset boasts SRAMs 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 SRAMs 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(TM) enabled components. No-compromise high-performance data delivery giving you an edge over the competition. 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 SRAMs lightest crank+/- 1.5% accuracy provides your true watts output Bluetooth low energy technology and ANT+ wireless data transferMagicZero - automatically checks and recalibrates your power meter as you ride AxCad -- no cadence magnet required for reliability 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 Includes 34t Chainring TECH SPECS Color Black Rings 34 Number of Chainrings Chain Retaining Single Crank Length (mm) 175 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 table{border-collapse:collapse;width:100%;}td{text-align: left;padding: 8px;font-weight:350;}tr:nth-child(even){background-color:#f2f2f2}th{background-color:#eb212e;color:white;text-align:left;padding:8px;}.desc ul{font-size:24px;font-weight:600;margin-left:-25px;padding-top:35px;border-top:3px solid #f0f0f0;}.desc li{list-style:none;border-bottom:4px solid #eb212e;width:142px;}