The Axiom Trekk Seat Clamp for 31.8 mm Rack is a practical and lightweight solution for mounting rear racks on bicycles without built-in rack eyelets. Constructed from forged aluminum and designed to minimize frame stress, it adds secure threaded mounting points to a wide variety of bike frames for dependable touring, commuting, and cargo-carrying versatility.

Key Features:
  • Forged aluminum construction balances lightweight performance and durability.
  • Adds two threaded M5 mounting eyelets for rear rack installation.
  • Compatible with most bicycle frames lacking integrated rack mounts.
  • 31.8 mm clamp size fits a wide range of seat tube diameters.
  • Replaces the original seatpost clamp for clean and integrated installation.
  • Stress-minimizing design helps protect frames and seatposts during loaded rides.
  • Ideally suited for bicycles with aluminum or steel seatposts.
  • Provides secure rack mounting support for commuting and touring setups.
  • Lightweight construction maintains efficient everyday bike performance.
  • Simple and practical solution for expanding cargo-carrying capability.

Who is it for?
Perfect for commuters, touring cyclists, and recreational riders wanting to install a rear rack on bicycles without factory mounting eyelets.
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