Pinhead Seat Collar Lock

Pinhead

These seatpost clamps are designed to work with Pinhead's uniquely keyed locking bolt.

  • Fits both 28.6mm/31.8mm OR 34.9mm diameter frames
  • Only includes collar, does not include bolt, lock or key
  • To be used as an upgrade with Pinhead's 3-pack and 4-pack lock sets for a better fit with the seat collar lock



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