Kask Bike Helmet Size Chart





Kask Road and Urban Bike Helmets

Model S M L XL
Lifestyle
51 – 58 59 – 62

20 5/64″ – 22 53/64″   23 15/64″ – 24 13/32″
Mojito X 48 – 56 52 – 58 59 – 62 63 – 64
18 7/64″ – 22 3/64″ 20 15/32″ – 22 53/64″ 23 15/64″ – 24 13/32″ 24 51/64″ – 25 13/64″
Mojito X peak 48 – 56 52 – 58 59 – 62 63 – 64
18 7/64″ – 22 3/64″ 20 15/32″ – 22 53/64″ 23 15/64″ – 24 13/32″ 24 51/64″ – 25 13/64″
Rapido
52 – 58 59 – 62

20 15/32″ – 22 53/64″ 23 15/64″ – 24 13/32″
Valegro 50 – 56 52 – 58 59 – 62
19 11/16″ – 22 3/64″ 20 15/32″ – 22 53/64″ 23 15/64″ – 24 13/32″

Kask Triathlon Bike Helmets

Model S M L
Bambino pro
55 – 58 59 – 62

21 21/32″ – 22 53/64″ 23 15/64″ – 24 13/32″
Bambino pro evo
55 – 58

21 21/32″ – 22 53/64″
Infinity
52 – 58 59 – 62

20 15/32″ – 22 53/64″ 23 15/64″ – 24 13/32″
Mistral
55 – 58 59 – 62

21 21/32″ – 22 53/64″ 23 15/64″ – 24 13/32″
Protone 50 – 56 52 – 58 59 – 62
19 11/16″ – 22 3/64″ 20 15/32″ – 22 53/64″ 23 15/64″ – 24 13/32″
Utopia 50 – 56 52 – 58 59 – 62
19 11/16″ – 22 3/64″ 20 15/32″ – 22 53/64″ 23 15/64″ – 24 13/32″

Kask Mountain Bike Helmets

Model S M L XL
Caipi 50 – 56 52 – 58 59 – 62
19 11/16″ – 22 3/64″ 20 15/32″ – 22 53/64″ 23 15/64″ – 24 13/32″
Defender 55 – 56 57 – 58 59 – 60 61 – 62
19 11/16″ – 22 3/64″ 22 7/16″ – 22 53/64″ 23 15/64″ – 23 5/8″ 24 1/64″ – 24 13/32″
Rex
52 – 58 59 – 62

20 15/32″ – 22 53/64″ 23 15/64″ – 24 13/32″