HJC RPHA 1N Comfort Liner

Features:

• Genuine HJC replacement liners for HJC RPHA 1N helmets
• Liners for RPHA 1N helmets are split into three size groups for the three EPS sizes that are used:  This is the group for their medium EPS helmets which cover Medium and Large size helmets
• 12 mm is the standard thickness for Medium and 9 mm for Large.  You can effectively change the size of your helmet within this range