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The SRAM RED® eTap rear derailleur executes shifts the instant you demand it, with military precision. Wirelessly. It’s easy to set up, clean in appearance and delightfully uncomplicated. Mechanical necessities such as a carbon pulley cage, ceramic pulley bearings, and anodized alloy artfully blend with proprietary electronic advancements to deliver a 238g (with battery) shifting wonder.

  • Wireless connection via AIREA™ network for fast and clean installation
  • Designed to work with SRAM PowerGlide™ and PowerdomeX™ cassettes