Knock Block Headset Lockring Spacer Size:28.6 mm (1-1/8") 2-oz 79% recycled nylon/21% spandex

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

easy-wearing

Brush away the remaining wax with a wire/bronze brush

Nylon composite Bronze Series sole

when the light dips beneath the hills

Knock Block Headset Lockring Spacer Size:28.6 mm (1-1/8") 2-oz 79% recycled nylon/21% spandexTrek 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