Trek Knock Block Headset Lockring Spacer Trek Knock Block Lockring Spacer Black Black Wall Stem Bontrager Approved 1in 25

Stem Bontrager Approved 1in 25

The Bontrager City Shopper Bag is the ultimate bag for running errands by bicycle

and top bearing cover

This is a genuine e*thirteen product

Fastener Trek M10x1x18mm 18

Trek Knock Block Headset Lockring Spacer Trek Knock Block Lockring Spacer Black Black Wall Stem Bontrager Approved 1in 25Headset Part Trek Knock Block Lockring Spacer 1 1 8in Black Genuine replacement parts Trek proprietary headset components compatible with Trek Knock Block models. Service and replacement parts specifically for Trek Knock Block Technology. Key Features For locking steer tube to the headset bearing cover and frame chip Only for use with Trek Knock Block systems Specifications Part Number 545523 Color Black Size Trek Knock Block Lockring Spacer Model