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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
- Shell ID: 46mm (T47 standard)
Works with all ANT+ compatible Bontrager RT lights including the Ion Pro RT
- 45° fork crown race included
Adjustability: Max Width 165mm
Trek Knock Block Complete Headset Assembly travel_bag - Shell ID: 46mm (T47Compatible with all Trek Knock Block models Includes crown race, bearings, top cover, frame chip & fastener Must be paired with Knock Block stem and Knock Block spacers Knock Block headset spacers not included Steerer outer diameter: 28. 6mm (1 1 8") 38. 1mm (1 1 2") Crown race inner diameter: 39. 8mm Upper Bearing: 30. 2 x 41 x 6. 5mm Lower Bearing: 40 x 51. 8 x 8mm Stack height: 8. 7mm
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