Knock Block Headset Lockring Spacer Size:28.6 mm (1-1/8") Nylon composite Bronze Series sole

Nylon composite Bronze Series sole

Fast Action Wicking: Pulls moisture away from skin

2-oz 79% recycled nylon/21% spandex power knit

protecting paint and carbon frames)

Brush away the remaining wax with a wire/bronze brush

Knock Block Headset Lockring Spacer Size:28.6 mm (1-1/8") Nylon composite Bronze Series soleTrek Knock Block Headset Lockring Spacer Genuine replacement parts Service and replacement parts specifically for Trek Knock Block Technology. Product details For locking steer tube to the headset bearing cover and frame chip Only for use with Trek Knock Block systems Specifications Model Trek Knock Block Lockring Spacer Steerer outer diameter 28. 6mm (1 1 8") Thickness 10mm