SRAM RED AXS 2x Power Meter Chainring Kit - 50/37t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 For all 2015+rear derailleurs LINING - S/LAB Liner construction:

LINING - S/LAB Liner construction: Salomon’s most advanced boot construction features a high-performing outer shell and an exchangeable liner that delivers perfect fit over time

The Gum-X Technology combined with the tread pattern provides an optimal balance of rolling efficiency and longevity to conquer your next journey

8mm diameter for their control clamping area

Rugged 6061 aluminum construction is corrosion resistant

year/model SuperDeluxe Air/Coil RT (2017+) description Reservoir Assembly

SRAM RED AXS 2x Power Meter Chainring Kit - 50/37t 2x12-Speed 8-Bolt Direct Mount BLK/Silver E1 For all 2015+rear derailleurs LINING - S/LAB Liner construction:Integrated 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 TECH SPECS BCD Direct Mount SRAM 8 Bolt Connectivity ANT+ BT Teeth 50 37 Speed 12 BB Inclusion No