The Thomson Seatpost Collar is made from the same 7000 series aluminum as our seatpost and stems, and utilizes the Thomson seatpost bolt, washer, and barrel nut combination that has proven so reliable over the years. This fastener combination allows float on both sides of the collar slot ensuring consistent clamping force. The bolt hole angle, height of the collar, and offset slot all help create a collar that generates maximum clamping force at only 25-inch pounds of fastener torque. Providing the high performance and long life you expect from a Thomson.
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