RPHA 91 Riu Helmet

• Product Details

  RPHA 91 Modular Helmet.

  The RPHA 91 represents HJC's latest iteration in modular touring helmets, meticulously crafted to deliver unparalleled all-day comfort. Its innovative Premium Integrated Matrix EVO shell (P.I.M. EVO) has been strategically engineered to offer elevated levels of shock resistance, all while maintaining a lightweight profile through the incorporation of advanced reinforcement materials such as carbon-aramid, carbon fiber, glass fiber, organic non-woven fabric, and natural linen fiber. The HJ-37 face shield and HJ-V12 sun visor offer a distortion-free, panoramic view. The refined chin bar locking system ensures seamless engagement and reduced cheek pressure. The 3D-engineered low-noise interior diminishes road noise, while the EPS design accommodates eyewear. The RPHA 91 is also equipped with second-generation Smart HJC Bluetooth systems, underscoring its advanced connectivity.

  • P.I.M. (Premium Integrated Matrix Plus) EVO shell.
  • Distortion-free HJ-37 shield provides clear and wide view.
  • HJ-V12 three-step integrated sunshield is adjustable for optimized position.
  • Two-way pivot chin bar reduces wind noise and air drag, and offers a more compact profile in the up position.
  • Second generation Smart HJC Bluetooth ready (sold separately).
  • Maximum performance top and low vents.
  • Curved 3D visor and ratchet reduces air turbulence and noise.
  • Ventilation system provides maximum air circulation, cooling, and defogging.
  • Neckroll system offers reduction of wind noise.
  • Weight: 3.90 pounds / 1,771 grams (approximately, based on size medium solid color).
  • Standards: DOT FMVSS NO.218.
  • Note: The HJC RPHA 91 Helmet ships with a Clear shield and uses the HJC HJ-37 Shield and HJ-V12 Sun Visor as replacements or upgrades.

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• Sizing Info

• # Part Numbers

  Product Variant	Manufacturer Part #
  Semi Flat Black/Silver/White/Red / Large	0827-1631-06
  Semi Flat Black/Silver/White/Red / Medium	0827-1631-05
  Semi Flat Black/Silver/White/Red / Small	0827-1631-04
  Semi Flat Black/Silver/White/Red / X-Large	0827-1631-07
  Semi Flat Black/Silver/White/Red / X-Small	0827-1631-03
  Semi Flat Black/Silver/White/Red / XX-Large	0827-1631-08
  Silver/Black/White / Large	0827-1607-06
  Silver/Black/White / Medium	0827-1607-05
  Silver/Black/White / Small	0827-1607-04
  Silver/Black/White / X-Large	0827-1607-07
  Silver/Black/White / X-Small	0827-1607-03
  Silver/Black/White / XX-Large	0827-1607-08
  Silver/Grey/Black / Large	0827-1605-06
  Silver/Grey/Black / Medium	0827-1605-05
  Silver/Grey/Black / Small	0827-1605-04
  Silver/Grey/Black / X-Large	0827-1605-07
  Silver/Grey/Black / X-Small	0827-1605-03
  Silver/Grey/Black / XX-Large	0827-1605-08

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