SRAM Red Threadmount Power Spider

• Thread mount design is light, stiff and accurate, and available in 38T-46T
  
• User replaceable CR2032 battery with 200-hour battery life
  
• Bluetooth low energy technology and ANT+ wireless data transfer
  
• MagicZero automatically checks and recalibrates your power meter as you ride
  
• No cadence magnet required
  
• AXS™ enabled for easy monitoring and firmware upgrades
  
• SRAM Model ID: PM-AXS-SPDR-E1

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