Bell Size Chart

Note: The sizing chart listed below represents the manufacturer's suggested sizing guidelines only, and is subject to change without notice. MotorcycleCloseouts is not responsible for the accuracy of any sizing charts. If you have a specific sizing question, please email us at help@motorcyclecloseouts.com


Bell 2019 Riot and Custom 500 Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size
XS 1 1 21(1/4) - 21(5/8) 53 - 54 6(3/4) - 6(7/8)
SM 1 1 21(5/8) - 22 55 - 56 6(7/8) - 7
MD 2 2 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4)
LG 3 3 22(3/4) - 23(1/4) 59 - 60 7(1/4) - 7(3/8)
XL 4 4 23(5/8) - 24 61 - 62 7(1/2) - 7(5/8)
2XL 5 5 24(1/2) - 24(3/4) 63 - 64 7(3/4) - 7(7/8)

Bell 2019 Recon Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size OEM Cheek Pad Size (Interchangeable)
XS 1 1 21(1/4) - 21(5/8) 53 - 54 6(3/4) - 6(7/8) TBD
SM 1 1 21(5/8) - 22 55 - 56 6(7/8) - 7 TBD
MD 2 2 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4) TBD
LG 2 2 22(3/4) - 23(1/4) 59 - 60 7(1/4) - 7(3/8) TBD
XL 3 3 23(5/8) - 24 61 - 62 7(1/2) - 7(5/8) TBD
2XL 3 3 24(1/2) - 24(3/4) 63 - 64 7(3/4) - 7(7/8) TBD
3XL 3 3 25 (1/2) - 26 65 - 66 8(1/8) - 8(1/4) TBD

Bell 2019 Rogue Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell   Inches Centimeters Hat Size OEM Cheek Pad Size (Interchangeable)
XS 1 1 21(1/4) - 21(5/8) 54 - 55 6(3/4) - 6(7/8) 35mm
SM 1 1 21(5/8) - 22 55 - 56 6(7/8) - 7 25mm
MD 2 2 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4) 35mm
LG 2 2 22(3/4) - 23(1/4) 58 - 59 7(1/4) - 7(3/8) 25mm
XL 3 3 23(5/8) - 24 60 - 61 7(1/2) - 7(5/8) 35mm
2XL 3 3 24(1/2) - 24(3/4) 62 - 63 7(3/4) - 7(7/8) 25mm

Bell 2019 Scout Air Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell   Inches Centimeters Hat Size OEM Cheek Pad Sizing (Interchangeable per listed)
XS 1 1 21(1/4) - 21(5/8) 53 - 54 6(3/4) - 6(7/8) 50mm (Interchangeable 1)
SM 1 1 21(5/8) - 22 55 - 56 6(7/8) - 7 40mm (Interchangeable 1)
MD 2 2 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4) 50mm (Interchangeable 2)
LG 3 3 22(3/4) - 23(1/4) 59 - 60 7(1/4) - 7(3/8) 40mm (Interchangeable 2)
XL 4 4 23(5/8) - 24 61 - 62 7(1/2) - 7(5/8) 45mm (Interchangeable 3)
2XL 5 5 24(1/2) - 24(3/4) 63 - 64 7(3/4) - 7(7/8) 35mm (Interchangeable 3)

Bell Mag-9 Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size OEM Cheek Pad Sizing (Interchangeable)
XS 1 1 21(1/4) - 21(5/8) 54 - 55 6(3/4) - 6(7/8) 50mm
SM 1 1 21(5/8) - 22 55 - 56 6(7/8) - 7 40mm
MD 1 2 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4) 45mm
LG 1 2 22(3/4) - 23(1/4) 58 - 59 7(1/4) - 7(3/8) 35mm
XL 2 3 23(5/8) - 24 60 - 61 7(1/2) - 7(5/8) 40mm
2XL 2 3 24(1/2) - 24(3/4) 62 - 63 7(3/4) - 7(7/8) 30mm

Bell 2019 MX-9 Adventure and MX-9 MIPS Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size OEM Cheek Pad Size (Interchangeable)
XS 1 1 20(7/8) - 21(5/8) 53 - 54 6(5/8) - 6(3/4) 40mm
SM 1 1 21(5/8) - 22 55 - 56 6(7/8) - 7 35mm
MD 2 2 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4) 40mm
LG 2 2 22(3/4) - 23(1/4) 59 - 60 7(1/4) - 7(3/8) 35mm
XL 3 3 23(5/8) - 24 61 - 62 7(1/2) - 7(5/8) 35mm
2XL 3 3 24(1/2) - 24(3/4) 63 - 64 7(3/4) - 7(7/8) 30mm
3XL 3 3 25(5/8) - 26 65 - 66 8(1/8) - 8(1/4) 25mm

Bell 2019 Moto-9 MIPS and Moto-9 Carbon Flex Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size OEM Cheek Pad Size (interchangeable)
XS 1 1 21(1/4) - 21(5/8) 54 - 55 6(3/4) - 6(7/8) 45mm
SM 1 1 21(5/8) - 22 55 - 56 6(7/8) - 7 40mm
MD 2 2 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4) 40mm
LG 2 2 22(3/4) - 23(1/4) 58 - 59 7(1/4) - 7(3/8) 35mm
XL 3 3 23(5/8) - 24 60 - 61 7(1/2) - 7(5/8) 35mm
2XL 3 3 24(1/2) - 24(3/4) 62 - 63 7(3/4) - 7(7/8) 30mm

Bell 2019 RS-2 Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size OEM Cheek Pad Size (Interchangeable)
XS 1 1 21(1/8) - 21(1/2) 54 - 55 6(3/4) - 6(7/8) 30mm
SM 1 1 21(1/2) - 21(7/8) 55 - 56 6(7/8) - 7 35mm
MD 2 2 22(1/4) - 22(5/8) 57 - 58 7(1/8) - 7(1/4) 30mm
LG 2 2 22(5/8) - 23 58 - 59 7(1/4) - 7(3/8) 35mm
XL 3 3 23(1/2) - 23(7/8) 60 - 61 7(1/2) - 7(5/8) 30mm
2XL 3 3 24(1/4) - 24(5/8) 62 - 63 7(3/4) - 7(7/8) 35mm

Bell 2019 Qualifier and Qualifier DLX MIPS Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size OEM Cheek Pad Size (Interchangeable)
XS 1 1 21(1/8) - 21(1/2) 54 - 55 6(3/4) - 6(7/8) 30mm
SM 1 1 21(1/2) - 21(7/8) 55 - 56 6(7/8) - 7 35mm
MD 2 2 22(1/4) - 22(5/8) 57 - 58 7(1/8) - 7(1/4) 30mm
LG 2 2 22(5/8) - 23 58 - 59 7(1/4) - 7(3/8) 35mm
XL 3 3 23(1/2) - 23(7/8/) 60 - 61 7(1/2) - 7(5/8) 30mm
2XL 3 3 24(1/4) - 24(5/8) 62 - 63 7(3/4) - 7(7/8) 35mm

Bell 2019 SRT and SRT-M Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size OEM Cheek Pad Size (Interchangeable)
XS 1 1 20(7/8) - 21(1/8) 53 - 54 6(5/8) - 6(3/4) 40mm
SM 1 1 21(1/2) - 21(7/8) 55 - 56 6(7/8) - 7 35mm
MD 2 2 22(1/4) - 22(5/8) 57 - 58 7(1/8) - 7(1/4) 40mm
LG 2 2 23 - 23(1/2) 59 - 60 7(3/8) - 7(1/2) 35mm
XL 3 3 23(7/8) - 24 (1/2) 61 - 62 7(5/8) - 7(3/4) 35mm
2XL 3 3 24(5/8) - 25 63 - 64 7(7/8) - 8 30mm
3XL 3 3 25 (1/2) - 26 65 - 66 8(1/8) - 8(1/4) 25mm

Bell 2019 Pro Race, Street Star, Race Star Flex, and Star MIPS Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size OEM Cheek Pad Size (Interchangeable)
XS 1 1 20(7/8) - 21(5/8) 53 - 54 6(5/8) - 6(3/4) 35mm
SM 2 2 21(1/2) - 21(7/8) 55 - 56 6(7/8) - 7 35mm
MD 3 3 22(1/4) - 22(5/8) 57 - 58 7(1/8) - 7(1/4) 35mm
LG 4 4 23 - 23(1/2) 59 - 60 7(3/8) - 7(1/2) 35mm
XL 5 5 23(5/8) - 24(1/4) 61 - 62 7(5/8) - 7(3/4) 40mm
2XL 5 6 24(5/8) - 25 63 - 64 7(7/8) - 8 35mm

Bell 2019 Eliminator Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters OEM Cheek Pad Size (non-interchangeable)
XS 1 1 20(7/8) - 21(5/8) 53 - 54 45mm
SM 1 1 21(5/8) - 22 55 - 56 40mm
MD 1 2 22(1/2) - 22(7/8) 57 - 58 35mm
MD/LG 2 3 22(7/8) - 23(1/4) 58 - 59 40mm
LG 2 3 23(1/4) - 23(5/8) 59 - 60 40mm
XL 2 4 24 - 24(3/8) 61 - 62 35mm
2XL 3 5 24(3/4) - 25(1/4) 63 - 64 30mm
3XL 3 5 25(5/8) - 26 65 - 66 25mm

Bell 2019 Bullitt Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size OEM Cheek Pad Size (Interchangeable)
XS 1 1 21(1/4) - 21(5/8) 54 - 55 6(3/4) - 6(7/8) 35mm
SM 1 1 21(5/8) - 22 55 - 56 6(7/8) - 7 30mm
MD 2 2 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4) 30mm
LG 2 2 22(3/4) - 23(1/4) 58 - 59 7(1/4) - 7(3/8) 25mm
XL 3 3 23(5/8) - 24 60 - 61 7(1/2) - 7(5/8) 30mm
2XL 3 3 24(1/2) - 24(3/4) 62 - 63 7(3/4) - 7(7/8) 25mm

Bell 2019 Pit Boss Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit) 
Size Shell EPS Inches Centimeters Hat Size
XS/SM 1 1 20(3/4) - 21(5/8) 53 - 56 6(5/8) - 7
MD 1 1 22 - 22(3/4) 56 - 58 7 - 7(1/4)
LG 2 2 22(3/4) - 23(5/8) 58 - 60 7(1/4) - 7(1/2)
XL/2XL 2 2 24 - 24(3/4) 61 - 63 7(5/8) - 7(7/8)
3XL 3 3 24(3/4) - 25(1/4) 63 - 64 7(7/8) - 8

Bell 2019 Moto-3 Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell EPS Inches Centimeters Hat Size OEM Cheek Pad Size (Interchangeable)
XS 1 1 20(3/4) - 21(1/4) 53 - 54 6(5/8) - 6(3/4) 45mm
SM 1 1 21(5/8) - 22 55 - 56 6(7/8) - 7 40mm
MD 1 1 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4) 35mm
LG 2 2 23(1/4) - 23(5/8) 59 - 60 7(3/8) - 7(1/2) 40mm
XL 2 3 24 - 24 (1/2) 61 - 62 7(5/8) - 7(3/4) 35mm
2XL 3 4 24(3/4) - 25(1/4) 63 - 64 7(7/8) - 8 30mm

Bell Revolver Evo Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Shell   Inches Centimeters Hat Size OEM Cheek Pad Sizing (Interchangeable in Shell Size Only)
XS 1 1 21(1/4) - 21(5/8) 54 - 55 6(3/4) - 6(7/8) 60mm
SM 1 1 21(5/8) - 22 55 - 56 6(7/8) - 7 55mm
MD 1 1 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4) 50mm
LG 2 2 22(3/4) - 23(1/4) 58 - 59 7(1/4) - 7(3/8) 45mm
XL 2 2 23(5/8) - 24 60 - 61 7(1/2) - 7(5/8) 40mm
2XL 2 2 24(1/2) - 24(3/4) 62 - 63 7(3/4) - 7(7/8) 35mm

Bell Revolver Evo, Moto-9 Flex, SX-1, Bullitt, Rogue, Vortex Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Inches Centimeters Hat Size
2XS 20 - 20(1/2) 51 - 52 6(3/8) - 6(1/2)
XS 21(1/4) - 21(5/8) 54 - 55 6(3/4) - 6(7/8)
SM 21(5/8) - 22 55 - 56 6(7/8) - 7
MD 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4)
LG 22(3/4) - 23(1/4) 58 - 59 7(1/4) - 7(3/8)
XL 23(5/8) - 24 60 - 61 7(1/2) - 7(5/8)
2XL 24(1/2) - 24(3/4) 62 - 63 7(3/4) - 7(7/8)

Bell Qualifier DLX, Qualifier, MX-9, MX-9 Adventure, Custom 500 Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Inches Centimeters Hat Size
XS 21(1/4) - 21(5/8) 53 - 54 6(3/4) - 6(7/8)
SM 21(5/8) - 22 55 - 56 6(7/8) - 7
MD 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4)
LG 22(3/4) - 23(1/4) 59 - 60 7(1/4) - 7(3/8)
XL 23(5/8) - 24 61 - 62 7(1/2) - 7(5/8)
2XL 24(1/2) - 24(3/4) 63 - 64 7(3/4) - 7(7/8)
3XL 25 (1/2) - 26 65 - 66 8(1/8) - 8(1/4)

Bell Snell 2005 Adult Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit) 
Size Inches Centimeters  Hat Size
XS 20(7/8) - 21(1/4) 53 - 54 6(5/8) - 6(3/4)
SM 21(5/8) - 22 55 - 56 6(7/8) - 7
MD 22(3/8) - 22(3/4) 57 - 58 7(1/8) - 7(1/4)
LG 23(1/4) - 23(5/8) 59 - 60 7(3/8) - 7(1/2)
XL 24 - 24(3/8) 61 - 62 7(5/8) - 7(3/4)
2XL 24(3/4) - 25(1/4) 63 - 64 7(7/8) - 8

Bell Snell 2010 and Newer Adult Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit)
Size Inches Centimeters Hat Size
2XS 20 - 20(1/2) 51 - 52 6(3/8) - 6(1/2)
XS 21(1/4) - 21(5/8) 54 - 55 6(3/4) - 6(7/8)
SM 21(5/8) - 22 55 - 56 6(7/8) - 7
MD 22(1/2) - 22(3/4) 57 - 58 7(1/8) - 7(1/4)
LG 22(3/4) - 23(1/4) 58 - 59 7(1/4) - 7(3/8)
XL 23(5/8) - 24 60 - 61 7(1/2) - 7(5/8)
2XL 24(1/2) - 24(3/4) 62 - 63 7(3/4) - 7(7/8)

Bell Youth Helmets

Manufacturer's Suggested Size Chart (Not a guarantee of fit) 
Size Inches Centimeters Hat Size
Youth SM 19(1/2) - 20 50 - 51 5(7/8) - 6(1/8)
Youth MD 20 - 20(1/2) 51 - 52 6(1/8) - 6(3/8)
Youth LG 20(1/2) - 21 52 - 53 6(3/8) - 6(5/8)

Bell Pit Boss and Drifter DLX

Manufacturer's Suggested Size Chart (Not a guarantee of fit) 
Size Inches Centimeters Hat Size
SM 20(3/4) - 21(5/8) 53 - 55 6(5/8) - 6(7/8)
MD 22 - 22(3/4) 56 - 58 7 - 7(1/8)
LG 22(3/4) - 23(5/8) 58 - 60 7(1/4) - 7(1/2)
XL 24 - 24(3/4) 61 - 63 7(5/8) - 7(7/8)

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