SRAM Rival eTap AXS D1 12 Speed Rear Derailleur GreenTech pureHeat GARAGE/PATIO (Carbon Fiber) extending the life of these

extending the life of these devices and reducing electronic waste

Health-monitoring: Monitor your health and receive alerts on your smartphone

Noise: 71dB

It works great for muscle soreness

durable fiberglass panel with layers of ETFE and EVA keeps the solar cells well-protected against weather elements

SRAM Rival eTap AXS D1 12 Speed Rear Derailleur GreenTech pureHeat GARAGE/PATIO (Carbon Fiber) extending the life of theseWireless electronic eTap shift logic for intuitive shifting, easy setup and reliability Compatible with both 1x and 2x drivetrains 36t cog max derailleur works with 10 28, 10 30, 10 33, and 10 36 cassettes SRAM AXS enabled, allowing easy personalization Chain management keeps the drivetrain quiet and secure X SYNC pulleys for increased durability and efficiency Battery and charger sold seperately