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509 Altitude Pro Series Helmet Liner
Replacement liner for 509 Altitude and Altitude Carbon Helmets.
Sizing:
- SM liner provides a tighter fit in size MD helmet
- MD liner provides a looser fit in size SM helmet
- XL liner provides a tighter fit in size 2XL helmet
- 2XL liner provides a looser fit in size XL helmet
| Product Style | RevZilla Item # | MFR. Product # | Availability |
|---|---|---|---|
| Product Style XS | RevZilla Item #1307711 | MFR. Product #509-HEL-AACC-LPXS | AvailabilityAvailable: Ships in 5-7 business days |
| Product Style SM | RevZilla Item #1307709 | MFR. Product #509-HEL-AACC-LPSM | AvailabilityAvailable: Ships in 5-7 business days |
| Product Style MD | RevZilla Item #1307708 | MFR. Product #509-HEL-AACC-LPMD | AvailabilityOut of Stock |
| Product Style LG | RevZilla Item #1307707 | MFR. Product #509-HEL-AACC-LPLG | AvailabilityOut of Stock |
| Product Style XL | RevZilla Item #1307710 | MFR. Product #509-HEL-AACC-LPXL | AvailabilityOut of Stock |
| Product Style 2XL | RevZilla Item #1307704 | MFR. Product #509-HEL-AACC-LP2X | AvailabilityOut of Stock |
| Product Style 3XL | RevZilla Item #1307705 | MFR. Product #509-HEL-AACC-LP3X | AvailabilityAvailable: Ships in 5-7 business days |
| Product Style 4XL | RevZilla Item #1307706 | MFR. Product #509-HEL-AACC-LP4X | AvailabilityAvailable: Ships in 5-7 business days |
509 Helmet Sizing
| Size | Head (cm) |
|---|---|
| XS | 53-54 |
| SM | 55-56 |
| MD | 57-58 |
| LG | 59-60 |
| XL | 61-62 |
| 2XL | 63-64 |
| 3XL | 64-65 |
| 4XL | 66-67 |
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.
How to Measure
-
H
Head
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
Product Description
Part Numbers
Sizing & Fit
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