Thomson seatpost collars look great and have great clamping, a long life, and no squeaking. It's the perfect addition to your Thomson Cockpit and 100% American made. Featuring floating hardware that provides consistent clamping force with minimal fastener torque. 12.7mm tall Recommended torque is 2.8 Nm Attributes: Color: Silver Diameter: 36.4 Defined Color: Silver Material: Aluminum Type: Bolt-On