The K1 Pro is a race-ready, multi-use, full-feature helmet with superior ventilation, aero styling, and an aggressive chin bar design complete with a front chin spoiler (duckbill). Incorporating lightweight construction, excellent fit, and multiple ventilation options, the K1 Pro is perfect for open-wheel racers, closed-cockpit drivers, and karters who demand value, performance, and superior features. The K1 Pro can be used in an open-wheel configuration with an air intake piece (included) and in a closed-cockpit configuration with a forced air intake (sold separately).
- Lightweight composite shell
- Advanced multi-density, multi-piece liner to maximize energy absorption and impact performance
- Integrated channels in face piece offer multiple options to install drink tube and radio systems
- Superior ventilation with direct flow chin bar vents, forehead vents, and top vents
- Rear spoilers, top gurney, and chin bar gurneys available separately
- Forced air attachments available separately for use with external cooling systems
- M6 terminals for FHR anchor attachment and homologated for use with approved head and neck devices
- Synthetic rubber gasket seal to prevent dirt and water from entering the helmet
- Shield and pivot kit: 287 SRV, SRV-1
- Homologation: Snell SA2020
- Colors: Gloss White, Matte Black and Black/White/Blue
- Sizes: XXS, XS, S, M, L, XL
Includes:
- K1 Pro
- Clear 287 SRV Shield Installed
- Clear Air Intake
- Draw String Helmet Bag
- Circle Grommet Vent Plug Kit
- Plastic Tearoff Post Kit
- Hex Wrench Key
| Product Line | K-1 Pro |
| Open/Closed Face | Closed |
| Fresh Air | No |
| Vent System | Yes |
| Snell Rating | SA 2020 |
| Head and Neck Support Ready | Yes |
| Shield Included | Yes |
| Shield Color | Clear |
| Visor Included | No |
| Graphics | No |
| Bag Included | Yes |
| Material | Carbon Composite |
| Color | White, Black, Black/White/Blue |
| Finish | Paint |
| Quantity | Each |
Sizes and Colors Available:
| MPN | Size | Color |
| 1420A03 | Small | Gloss White |
| 1420A04 | Medium | Gloss White |
| 1420A05 | Large | Gloss White |
| 1420A06 | XL | Gloss White |
| 1420A12 | XS | Flat Black |
| 1420A13 | Small | Flat Black |
| 1420A14 | Medium | Flat Black |
| 1420A15 | Large | Flat Black |
| 1420A16 | XL | Flat Black |
| 1420A33 | Small | Black/White/Blue |
Bell Helmet Size Chart
| Standard Size | Hat Size | Inches | Centimeters |
|---|---|---|---|
| 4XS | 6 3/8 | 20 1/16 | 51 |
| 3XS | 6 1/2 – 6 5/8 | 20 1/2 – 20 7/8 | 52-53 |
| 2XS | 6 3/4 – 6 7/8 | 21 1/2 – 21 5/8 | 54-55 |
| XS | 7 | 22 | 56 |
| S | 7 1/8 | 22 3/8 | 57 |
| M | 7 1/4 – 7 3/8 | 22 3/4 – 23 1/4 | 58-59 |
| L | 7 1/2 | 23 5/8 | 60 |
| XL | 7 5/8 – 7 3/4 | 24 – 24 3/8 | 61-62 |
| 2XL | 7 7/8 – 8 | 24 3/4 – 25 1/4 | 63-64 |
| 3XL | 8 1/8 – 8 1/4 | 25 5/8 – 26 | 65-66 |
| 4XL | 8 3/8 – 8 1/2 | 26 3/8 – 26 3/4 | 67-68 |
Fitting your Bell Helmet
Proper helmet fit is vital to the performance of a helmet during an impact. For maximum protection the helmet must fit properly with the chin strap securely fastened and provide adequate peripheral vision.
Measuring the head is only a starting point for the entire sizing procedure. Due to varying shapes, heads that are apparently the same size when measured by a tape may not necessarily fit the same size helmet. A small metal tape measure or a cloth tape may be used to make your initial measurement. You can also use a string, which can then be laid against a measuring tape.
The circumference of the head should be measured at a point approximately one inch above the eyebrows in front, and at a point in the back of the head that results in the largest possible measurement. Take several measurements. The largest measurement is the one you want to try on first. If you use a balaclava or head sock, always measure and fit the helmet with it on. Use the Bell sizing chart to determine the size that best matches the head measurement.
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