Bell Product Fit Guide

Bell Motorcycle 

ADULT HELMETS

• XS: 53-54cm • 20 7/8"- 21 1/4"
• SM: 55-56cm • 21 5/8"- 22"
• MD: 57-58cm • 22 3/8"- 22 3/4"
• LG: 59-60cm • 23 1/4"- 23 5/8"
• XL: 61-62cm • 24"- 24 3/8"
• XXL: 63-64cm • 24 3/4"- 25 1/4"

ADULT HELMETS (DRIFTER ONLY)

• XS: 52-53cm • 20 1/2"- 20 7/8"
• SM: 54-55cm • 21 1/4"- 21 5/8"
• MD: 56-57cm • 22" - 22 3/8"
• LG: 58-59cm • 22 3/4" - 23 1/4"
• XL: 60-61cm • 23 5/8" - 24"
• XXL: 62-63cm • 24 3/8" - 24 3/4"

ADULT HELMETS (SHORTY ONLY)

• XXS: 51-52cm • 20" - 20 1/2"
• XS: 52-53cm • 20 1/2"- 20 7/8"
• SM: 54-55cm • 21 1/4"- 21 5/8"
• MD: 56-57cm • 22" - 22 3/8"
• LG: 58-59cm • 22 3/4" - 23 1/4"
• XL: 60-61cm • 23 5/8" - 24"
• XXL: 62-63cm • 24 3/8" - 24 3/4"

YOUTH HELMETS (SC-X JR ONLY)

• S/M: 49-50cm • 19 1/4" - 19 3/4"
• M/L: 51-52cm • 20" - 20 1/2"

Bell Bike

ADULT S/M/L HELMETS

• Small: 51-55 cm • 20”-21.75”
• Medium: 55-59 cm • 21.75”-23.25”
• Large: 59-63 cm • 23.25”-24.75”

ONESTEP ADULTS

• Adult (Muni):  54-61cm• 21.25”-24”
• Women’s (Arella): 50-57cm • 19.6” – 22.45”

SANCTION FULL-FACE HELMETS (ONLY)

• Small: 52-54cm • 20.45”–21.25”
• Medium: 55-57cm • 21.65"–22.45”
• Large: 58-60cm • 22.8”–23.6"

FACTION SKATE-STYLE (ONLY)

• Small: 51-56cm • 20”-22”
• Medium: 54-59cm • 21.25”-23.25”
• Large: 58-63cm • 22.75”-24.75”

XLV (EXTRA LARGE HELMET)

• XL 58-65cm • 22.8”-25.6”

UNIVERSAL (ERGODIAL HELMETS)

• Adult:  54-61cm• 21.25”-24”
• Women’s/Youth: 54-61cm• 21.25”-24”

ONESTEP KIDS

• Universal Toddler:  46–50cm • 18"–19.75"
• Universal Child: 50–54cm • 19.75"–21.5"

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