Replacement liner for your 7iDP helmet Get yourself some spare cheek pads and liner or maybe you need to fine-tune the fit of your Project.23. ABS Liner Thickness XS – 8mm Can also be used to replace a S 6mm liner to tighten the area around the top of the head S – 6mm Can also be used to replace an XS 8mm liner to loosen the area around the top of the head M – 8mm Can also be used to replace a L 6mm liner to tighten the area around the top of the head L – 6mm Can also be used to replace a M 8mm liner to loosen the area around the top of the head XL – 8mm Can also be used to replace an XXL 6mm liner to tighten the area around the top of the head XXL – 6mm Can also be used to replace an XL 8mm liner to loosen the area around the top of the head
