Big Bike Book Size Guide

Please note that the size charts below are a guide to assist you when shopping on Big Bike Book and are not a guarantee of correct fitment.

How to correctly measure your head

Using a soft measuring tape, measure around the crown of your head at the largest diameter. Start approximately 2cm above your eyebrows, ensuring the tape is positioned above the ears and around the back of your head at the largest point. The size guide below will help determine which helmet size you need.

Shoei

SIZE XXS XS S M L XL XXL XXXL
CM 51-52 53-54 55-56 57-58 59-60 61-62 63-64 65-66

Caberg

SIZE XXS XS S M L XL XXL
CM 51-52 53-54 55-56 57-58 59-60 61-62 63-64

Airoh

SIZE XXS XS S M L XL XXL
CM 51-52 53-54 55-56 57-58 59-60 61-62 63-64

Spada

SIZE XXS XS S M L XL XXL
CM 51-52 53-54 55-56 57-58 59-60 61-62 63-64

Spada

Spada Jacket external measurement should be approx. 4″ – 5″ (10-20 cms) bigger than actual chest measurement, dependent upon garments worn, internal lining etc.

MEN’S JACKETS

SIZE XS S M L XL 2XL 3XL 4XL 5XL
INCHES 38 40 42 44 46 48 50 52 54
CM 96.5 101.5 107 112 117 122 127 132 137

LADIES’ JACKETS

SIZE XS S M L XL 2XL 3XL 4XL 5XL
UK 8 10 12 14 16 18 20 22 24
INCHES 32 34 36 38 40 42 44 46 48
CM 81 86 91 96 102 107 112 117 122

Spidi

MEN’S JACKET

SIZE S M L XL 2XL 3XL 4XL
UK 38 40 42 44 46 48 50
EUR 48 50 52 54 56 58 60

LADIES’ JACKET

SIZE XS S M L XL 2XL
UK 8 10 12 14 16 18

Spada

MEN’S TROUSERS

SIZE XS S M L XL 2XL 2XL 4XL
WAIST 28 30 32 34 36 38 40 42

LADIES’ TROUSERS

SIZE XS S M L XL 2XL 3XL
UK 8 10 12 14 16 18 20
CM 32.5 35 37.5 40 42.5 45 47.5

Spidi

MEN’S TEXTILE TROUSER

SIZE S M L XL 2XL 3XL
UK WAIST “ 31-33 33-35 35-37 37-40 40-42 42-44
EUR 46 48 50 52 54 56

MEN’S LEATHER TROUSERS

UK WAIST “ 31-33 33-34 34-36 36-37 37-39 39-41 41-42
EUR 44 46 48 50 52 54 56

LADIES’ TEXTILE TROUSER

SIZE XS S M L XL 2XL 3XL
UK HIP “ 33-35 35-37 37-38 38-40 40-42 42-44 44-47
EUR 40 42 44 46 48 50 52

Spidi

UK 38 40 42 44 46 48
EUR 46 48 50 52 54 56

Spada

MEN’S GLOVES

SIZE XS S M L XL 2XL
CM 11 11.5 12 12.5 13 13.5

LADIES’ GLOVES

SIZE XS S M L XL 2XL
CM 10 10.5 11 11.5 12 12.5

Spidi

MEN’S GLOVES

SIZE XS S M L 2XL 3XL
EUR 7 8 9 9.5 10 10.5
CM 20.6/21.4 21.4/22.2 22.2/23.0 23.0/23.8 23.8/24.6 24.6/25.4

LADIES’ GLOVES

SIZE XS S M L XL 2XL 3XL
EUR 6 6.5 7 8 9 9.5 11
CM 19/19.8 19.8/20.6 20.6/21.4 21.4/22.2 22.2/23 23/23.8 24.6/25.4

Spada

EUR 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
UK 3 4 5 5.5 6 7 8 9 9.5 10.5 11 12 12.5 13.5 14

Sidi

EUR 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
UK 3 4 5 5.5 6 7 8 9 9.5 10.5 11 12 12.5 13.5 14