Bell GT6 Pro Racing Helmet - SA2020 / FIA8859
Bell GT6 Pro Racing Helmet - SA2020 / FIA8859
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Heavily influenced by the professional HP6 helmet, the Bell GT6 Pro is engineered for closed-cockpit race cars, featuring a wider eyeport for expanded visibility. The lightweight premium carbon glass shell features ventilation slots that can be configured for external cooling systems (available separately). Inside, optional earcups (sold separately) can be added for noise insulation, and integrated channels in the chin bar provide multiple options for installing drink tubes and radio systems.
Size Guide
| Head size (cm) | Head size (in) | Bell numeric size | Letter size | US hat size |
|---|---|---|---|---|
| 51 | 20.1 | — | 4X-Small | 6 3/8 |
| 52 | 20.5 | 52 | 3X-Small | 6 1/2 – 6 5/8 |
| 53 | 20.9 | 53 | — | — |
| 54 | 21.3 | 54 | XX-Small | 6 3/4 – 6 7/8 |
| 55 | 21.7 | 55 | X-Small | 7 |
| 56 | 22.0 | 56 | — | — |
| 57 | 22.4 | 57 | Small | 7 1/8 – 7 1/4 |
| 58 | 22.8 | 58 | Medium | 7 1/4 – 7 3/8 |
| 59 | 23.2 | 59 | — | — |
| 60 | 23.6 | 60 | Large | 7 1/2 |
| 61 | 24.0 | 61 | X-Large | 7 5/8 – 7 3/4 |
| 63 | 24.8 | — | XX-Large | 7 7/8 – 8 |
| 65 | 25.6 | — | 3X-Large | 8 1/8 – 8 1/4 |
| 67 | 26.4 | — | 4X-Large | 8 3/8 – 8 1/2 |
How to measure: run a tape around your head at the widest point, about 2.5 cm (1 in) above your eyebrows and just above your ears.
Bell's numeric sizes ARE your head circumference in centimetres. If you measure 58 cm, you buy a 58. The carbon and Pro helmets (GT6, RS7, HP6, HP7, HP10, M.8 Carbon, GP3, GTX.3, Mag-10 Pro, KC7 karting) are sold this way.
Bell's Sport-line helmets use letter sizes instead — K.1 Sport, K.1 Pro, M.8, M.8 Sport, Sport Mag, Mag Open Face, GP3 Sport, BR8 Air, Mag Rally and RS7-K Pro. Use the Letter size column for those.
Intermediate sizes (56+, 57-, 59+, 61+) are in-between fits offered on some carbon and Pro shells for a head that falls between two whole centimetres. Bell does not publish a measurement for them, so if you land between sizes send us your measurement and we will tell you which one to take.
A racing helmet should be snug. It should not rotate independently of your head, and after ten minutes on you should feel even pressure with no hot spots. Inches are converted from Bell's centimetre figures and rounded.
Source: Bell Racing USA official size guide.
Sizing is from the manufacturer and varies between brands. Measure yourself and compare against the table rather than ordering your usual street size.