Chromag Seat QR

The brass cam bushing is designed to reduce friction, which makes the lever action significantly smoother and easier to operate. It ensures that you can adjust your saddle height quickly and consistently without the lever feeling gritty or stiff.

This specific model has a clamp diameter of 36.5mm. Before purchasing, you must verify the seat tube diameter of your frame, as seatpost clamps are not universal and must match your frame's specific measurement.

Yes, the clamp is engineered to provide high, consistent clamping force. While it is designed for easy, on-the-fly adjustments, it locks down securely enough to prevent your seatpost from slipping during aggressive riding.

Installation is simple and requires a standard 6mm hex key. You just slide the collar over your seat tube, align it with the slot, and tighten the bolt to the appropriate torque specification for your frame.

At 22 grams, this clamp is lightweight and comparable to other high-end, CNC-machined aluminum options. It offers a balance of durability and weight savings without compromising the structural integrity of the clamp.