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Knock Block Headset Upper Assembly

Retail Price: $31.99
Current Price: $31.99
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Trek Knock Block Headset Upper Assembly Genuine replacement partsGet your bike back on the road with the headset parts you need.Product detailsTrek proprietary headset components compatible with Trek Knock Block modelsAssembly includes bearing cover, frame chip & fastenerSpecificationsModelTrek Knock Block Headset Upper Assembly (Bearing Cover, Frame Chip & Fastener)Steerer outer diameter28.6mm (1-1/8")Thickness10mm

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