Convert existing Roval wheels with 142mm or 142+ to be used with Boost spacing (110/148mm) suspension forks & frames. Kits include front & rear hub end caps rotor spacers & kit-specific rotor bolts. Compatible with select MY13-17 Roval Wheels. Choose the appropriate SKU for each wheelset. Each conversion kit requires the existing rear wheel to be re-dished to centre. Consult an authorized dealer to perform this operation.