RockShox Upper Crown for Boxxer D1 48 offset 27.5/29 tall Diameter-43/64 Optimized for j-bend spokes Scalloped

Optimized for j-bend spokes Scalloped flange design distributes stress more effectively than a simple round shape more effectively Optimized flange width for enhanced bracing angles

Fast rolling1 thanks to the combination of the new Tubeless Ready design and Michelin GUM-X compound in comparison to the Michelin PRO4 Endurance

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Total Stack Lower Headset - 0mm

RockShox Upper Crown for Boxxer D1 48 offset 27.5/29 tall Diameter-43/64 Optimized for j-bend spokes ScallopedRockShox, Fork CSU Upper Crown 38mm, Black 38mm Boxxer D1+(2024+) TECH SPECS Misc 48 offset 27. 5 29 tall