Knock Block Headset Lockring Spacer Size:28.6 mm (1-1/8") Part Number: T73D110

Part Number: T73D110

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

The skinny: Mason is a traditionally masculine name and its origin as ‘one who works with stone’

when the light dips beneath the hills

Knock Block Headset Lockring Spacer Size:28.6 mm (1-1/8") Part Number: T73D110Trek 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