40 mm cheek pads for RPC MIPS helmet Rampage Pro Carbon MIPS cheek pads are interchangeable over all helmet sizes. RPC MIPS helmets comes with a 40 mm installed but can be customized with either 35 mm or 45 mm replacement cheek pads. Select the 40 mm cheek pads to maintain the original fit. Replacement RPC MIPS cheek pads 40 mm thickness Same thickness as original pads One size fits all sized RPC MIPS helmets Compatible with RPC MIPS versions only - 2021 or newer Sold as pairs