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S1 Lifer Helmet Replacement Liner Kit (All Sizes)
$29.99
or make 4 interest-free payments of $7.50 AUD
fortnightly with 
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Not sure about your helmet size? Get an "S1 Helmet Co. Fit Kit" and eliminate the guessing.
You'll get all 7 different thickness of sizing liners so you can fit your S1 Helmet perfectly today and if your head grows in the future.
Size: XSmall- XXX Large included in fit kit.
FIT KIT sizes all S1 Lifer Series shells!
(S1 Mini Lifer Helmets 18.5" - 20.5")
(S1 Lifer Helmets 21" - 23.5")
(S1 Mega Lifer Helmet 24" - 25.5")
You'll get all 7 different thickness of sizing liners so you can fit your S1 Helmet perfectly today and if your head grows in the future.
Size: XSmall- XXX Large included in fit kit.
FIT KIT sizes all S1 Lifer Series shells!
(S1 Mini Lifer Helmets 18.5" - 20.5")
(S1 Lifer Helmets 21" - 23.5")
(S1 Mega Lifer Helmet 24" - 25.5")