HJC RPHA-90S Baliun Carbon Modular Helmet.
Features
- Carbon Fiber Outer Shell: Provides a lightweight and comfortable shell with enhanced Shock-Resistant performance.
- Wide-vision Integrated Sunshield: Improved peripheral vision; helps to reduce eye strain and obstruct sunlight. Black Dark Smoke sunshield with Anti-fog and anti-scratch coated.
- Low-noise Interior: 3D-engineered, ergonomic interior designed to reduce noise significantly.
- Silvercool Interior with advanced anti-bacterial fabric: Moisture-wicking and odor-free liners with advanced anti-bacterial fabric.
- Crown and cheek pads: Removable and washable.
- Cheek pads: Interchangeable throughout all shell sizes.
- Double D-Ring.
- Glasses grooves: Accommodates riders who wear eyeglasses and sunglasses.
- RapidFire™ III Shield Replacement System: Simple and secure shield ratchet system provides ultra-quick, tool-less removal and installation for efficient operations.
- Anti-fog lens pin prepared HJ-29 Shield: Provides 95% UV protection.
- Center, one-touch open/close locking system: Superior automatic shield locking system with spring-controlled lever.
- Enhanced shield dual-locking system: for high speed racing conditions.
- Included parts: Breath deflector, Chin curtain, Anti-fog lens.
- Speaker pockets: for Bluetooth communication.
- SMART HJC (BT sold separately).
- 5 Year Limited Warranty: For the original purchaser, guarantees the helmet to be free of defects in materials and workmanship.
- D.O.T. Approved.
Sizing

Wrap a tape measure horizontally around your forehead. Select the helmet that is the closest fit to that size. A helmet should fit snug on your head. If it moves while wearing, it is too large. If it is painful to wear, it is too small.
| Size Chart | |
| Size | Head (CM) |
| S | 55 – 56 |
| M | 57 – 58 |
| L | 59 – 60 |
| XL | 61 – 62 |
| 2XL | 63 – 64 |















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