Hola,
Ésto está sacado del link que he puesto antes:
Most wheels require a spacer (8-10mm) to clear the spokes from the wider caliper, these are not included in the kit. This depends on the offset and style of wheel. An OEM 18” TT wheel usually needs 10mm spacing each side. Most customers use a H&R spacer kit 10mm (-20mm track) front and 15mm (-30mm track) rear, these are available separately with longer locking bolts and bolts.
Parece que si que hacen falta separadores