SRAM RED AXS 2x Power Meter Chainring Kit - 54/41t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 19.7 x 10.6 x 6.3

SRAM RED AXS 2x Power Meter Chainring Kit - 54/41t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 19.7 x 10.6 x 6.3Integrated power meter and chainring combo Accurate to + 1. 5% and unaffected by temperature changes Integrated rings are incredibly long lasting Combine with 8 bolt compatible crankarms SRAM Model ID: PM AXS KITR E1 Details BB Inclusion No BCD Direct Mount SRAM 8 Bolt Connectivity ANT+ BT Speed 12 Teeth 54 41

Bottom Bracket Type T47 PF30 Misc 1/2˝ square drive

Activity Cycling Color Core Black/Core Black/Gray Six Defined Color Black Gender/Age Womens Shoe Size (US) 11 Closure Lace

MRP 34mm Stage Wiper Seal Kit

Hayes DOT 4 Brake Fluid 12oz

Shimano Dura-Ace SW-R9150 Remote Climbing/Sprinting Shifter Set with Electric Wire 261mm

Full Speed Ahead Pro Track 52t x144mm Black Chainring 1/2"x1/8"

The X-SYNC 2 chainring profile features teeth that are precisely controlled to work seamlessly with the SRAM chains inner and outer links

predictable way so you stay connected to the trail without overwhelming the flow of mountain biking

Forged Center-Pivot stainless steel bits

SR Allroad Comp: Nylon composite shell with orthopedic comfort foam

Tooth Count 38 Round or Oval Round Drivetrain Speeds 12 Drivetrain Speeds 11 Drivetrain Speeds 10 Direct Mount Type Direct Mount SRAM Defined Color Black Ring Position/Type Single Ring Position/Type Chain Retaining Single Ring Offset 6 Chainring BCD Sram Direct Mount Color Black Material Aluminum Material Aluminum Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 170/177 Hubs

Di2 Battery battery charger and power cable are universal between Dura-Ace 7970 and Ultegra 6770 Di2 systems