Trek Thumb Screws come in a pack of four to securely, quickly, and easily mount bags to your bike with integrated mounting holes.
Features
– Designed to mount bags on Trek bikes with integrated frame mounts.
– No tools required – install and remove using only your hands
– M5 thread size with 0.8mm thread pitch at 12mm long and 22mm wide head
– Compatible with most bikes with integrated frame mounts
