This Impact seatpost clamp is an aluminum single bolt clamp with a threaded insert that rotates when the clamp is tightened preventing cross-threaded bolts. It is made out of steel for firmly gripping your seatpost.
- Fits all 25.4mm seatposts
- Actual size is 28.6mm
- Weight: 70g
- Will NOT fit Impact Gravity or Sylph unicycles