This replacement interior lining kit is designed to fit the Bell Mag Rally Sport helmet and comprises of a pair of cheek pads. The Cheek pads are available in a range of thicknesses so please ensure you order the correct size to suit your helmet shell size (see size guide below). Different thickness pads can be used to allow for a better fitting helmet if the original cheek pads are too tight or too loose.Comprises of replacement cheek padsChoice of cheek pad thicknessIdeal for replacing damaged or worn padsPlease note: This replacement interior lining kit is designed for the Bell Mag Rally Sport helmet only. Fitting to other helmet models or fitting a kit not suitable for your helmet shell size is not safe and will invalidate the FIA / Snell approval for the helmet. If you are unsure of the correct kit for your application please call or email our sales team.Helmet Shell Sizes:Shell Size D/E - Helmet sizes XXS (54-55cm) and XS (55-56cm)Shell size E - Helmet sizes S (57-58cm) and M (59