HJC C91 Modular Helmet - Solid - Semi-Flat Titanium
- Genuine HJC product, not a copy
- Authorized dealer — sourced from the manufacturer or their distributor
- Free US shipping over $150 · 10-day returns
Product details
- Advanced Polycarbonate Composite Shell — With adjustable chinbar; lightweight, superior fit and comfort using advanced CAD technology
- Advanced Channeling Ventilation System (ACS) — Full front to back airflow flushes heat and humidity up and out
- Pinlock® Prepared HJ-17 Shield — Provides 99% UV protection
- RapidFire™ Shield Replacement System — Simple and Secure shield ratchet system provides ultra-quick, tool-less shield replacement
- Interior Parts — Moisture-wicking and dry
- Integrated Sun Visor — Black dark smoke sun visor deploys quickly and easily; anti-scratch coated and with user friendly sliding system
| Brand | HJC |
|---|---|
| Category | Helmets |
| Shipping weight | 5.0 lb |
| Size | M, XS, S, L, XL, 2XL, 4XL |
| Country of origin | Vietnam |
Part numbers by option
Each size is a separate manufacturer part. Pick your size above and we ship that exact part number.
| Size | Part number | UPC |
|---|---|---|
| M | 0100-2947 | 190501178992 |
| XS | 0100-2945 | 190501178978 |
| S | 0100-2946 | 190501178985 |
| L | 0100-2948 | 190501179005 |
| XL | 0100-2949 | 190501179012 |
| 2XL | 0100-2950 | 190501179029 |
| 4XL | 0100-2952 | 190501179043 |
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Free US shipping over $150
$9.95 flat rate under $150, free above it. Most orders dispatch within 1–2 business days and arrive 3–5 business days after that.
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Ships from five US warehouses
Your order leaves whichever warehouse is closest to you, which is what keeps transit times short across the country.
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Fits your bike or your money back
Wrong fit? Send it back and we refund in full. Message us your year, make and model and we will confirm before you order.
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10-day returns, no restocking fees
Return any unused item in its original packaging within 10 days of delivery.
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Authorized dealer, genuine parts
Every part is sourced directly from the manufacturer or their authorized distributor — this one from HJC.
Motorcycle parts are model specific and the same part often changes between model years. If you are not certain this one fits, ask us first — it takes a minute and it saves a return.
- Send the bike. Year, make, model and trim — for example “2021 Suzuki GSX-R750”.
- Send the VIN if you have it. It removes any doubt about a mid-year running change.
- We confirm before you order. A technician at the dealership checks this part against your bike. No charge, no obligation.