Wheels Manufacturing Seatpost Collars

Bolt-on collars are ideal if you rarely adjust your seat height and want a more secure, tamper-resistant fit. They are generally lighter, have a lower profile, and eliminate the risk of the lever accidentally opening while riding.

Yes, the 6061 aluminum construction is safe for use with carbon components, provided you adhere to the manufacturer's torque specifications. Always use a torque wrench to avoid over-tightening and damaging your frame or seatpost.

Yes, the collar ships as a complete unit with the necessary bolt and barrel nut hardware, so it is ready to install right out of the package.

You need to measure the outer diameter of your seat tube, not the diameter of your seatpost. Most manufacturers stamp the required clamp size directly onto the frame or the existing collar, which is the most reliable way to ensure a proper fit.

CNC-machining allows for tighter tolerances and a more precise fit, which ensures the clamp grips the seat tube evenly without creating stress points. It also results in a cleaner, more refined aesthetic compared to stamped or cast alternatives.