b'RSR C RSR10 RSR9 RSR8 RSR7 RSRDISCRSR8+Weight S 8.1 oz |230 gm Retention RSR 11M 8.8 oz |250 gmL 9.9 oz |280 gm Certification CPSC 12.03HELMETSSize S 20.8 - 21.7 in|51 - 55 cmM 21.7 - 23.2 in|55 - 59 cmL 23.2 - 24.8 in|59 - 63 cm23 VENTS DUALTOTALAIR FLOW THROUGH DENSITY COMFORTFRAME VENTILATION FIT BANDERGO DIVIDER FASTEX SYSTEM RSR 11SIDE BUCKLES CLOSURE BUCKLE ADJUSTABLE RETENTION AERO/ROAD SYSTEMegos. INCLUDEDFREE PADSBUGSTOP - MICROFIBER POUCH- FREE PADS INTERCHANGEABLE INTERCHANGEABLEPADDINGCOMFORT PADDINGHELMET COLORSRSR C RSR10 RSRRSR9 RSR RSR RSR7 RSRDISC RSR7 RSRDISC C 8 10 RSR9 RSR8RSR8+ RSR8+PHANTOM BLACK (MATTE) WHITE MATTEHL 78 00 90 US | 285S HL 78 00 10 US | 285SHL 78 00 91 US | 285M HL 78 00 11 US | 285MHL 78 00 92 US | 285L HL 78 00 12 US | 285L SPARE PARTSBUG STOP RSR 11 RETENTION SYSTEM KITInterchangeable internal padding with bug stop Black/GreyBlack C0 00 04 59C0 00 04 75FREE PADS Interchangeable internal paddingBlackC0 00 04 76RSR C RSR10 RSR9 RSR8 RSR7 RSRDISCRSR C RSR10 RSR9 RSR8 RSR 8+ RSRDISCRSR7 71RSR8+'