Pay in 4 interest-free payments of $21.25 Learn more
Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
Installation is straightforward with no specialist tools required
- Compatible with: Terra Alloy Disc Brake 2022
designed specifically for Orbea road frames equipped with 12mm thru-axles
It is not compatible with square taper or Isis Drive cranksets
lightweight
Trek Knock Block Complete Headset Assembly travel_bag Installation is straightforward with noCompatible 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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