- A Solution for seatposts that slip. The lower clamp secures the frame, while the upper clamp secures the seatpost - Self-aligning bolts and anchors with spherical washers ensure consistent clamping force - Machined from 6061 aluminum in Minneapolis, MN - Seatpost clamp will need to match both the diameter of the frame seat tube and the diameter of the seatpost - Seat tubes must be round and within +/-0.5mm of specified size