Trek Knock Block Headset Lockring Spacer Trek Knock Block Lockring Spacer Black Black Wall and top bearing cover

and top bearing cover

Fastener Trek M10x1x18mm 18

A premium brake cable kit designed to deliver the smooth lever feel and precise braking performance expected from Shimano’s top-tier Dura-Ace components

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Trek Knock Block Headset Lockring Spacer Trek Knock Block Lockring Spacer Black Black Wall and top bearing coverHeadset 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