New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

HJC

1993 products
Brand Show all Brand
Helmet Category Show all Helmet Category
Helmet Type Show all Helmet Type
Color Show all Color
Size Show all Size
Size Segment Show all Size Segment
Material Show all Material
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
Hjc Lower Vent for RPHA-ST Helmet - Silver
$16.31
$16.31
Replacement lower vent for RPHA-ST Helmet.
Hjc Lower Vent for RPS-10 Helmets - Black
$22.75
$22.75
Lower Vent for RPS-10 Helmets.
Hjc Lower Vent for RPS-10 Helmets - Light Silver
$23.55
$23.55
Lower Vent for RPS-10 Helmets.
Hjc Lower Vent Set for C10 Helmets - Black
$23.64
$23.64
Replacement parts.
Hjc Lower Vent Set for C91 Helmets - Black
$22.14
$22.14
Lower Vent Set for C91 Helmets.
Hjc Lower Vent Set for C91 Helmets - Nardo Gray
$22.14
$22.14
Lower Vent Set for C91 Helmets.
Hjc Lower Vent Set for C91 Helmets - S/F Black
$22.14
$22.14
Lower Vent Set for C91 Helmets.
Hjc Lower Vent Set for C91 Helmets - S/F Pearl White
$22.14
$22.14
Lower Vent Set for C91 Helmets.
Hjc Lower Vent Set for C91 Helmets - S/F Titanium
$22.14
$22.14
Lower Vent Set for C91 Helmets.
Hjc Lower Vent Set for C91 Helmets - White
$22.14
$22.14
Lower Vent Set for C91 Helmets.
Hjc Lower Vent Set for CL-17 Mech Hunter Helmets - MC-1F
$26.10
$26.10
Lower Vent Set for CL-17 Mech Hunter Helmets.
Hjc Lower Vent Set for CL-17 Streamline Helmets - MC-2F
$26.10
$26.10
Lower Vent Set for CL-17 Streamline Helmets.
Hjc Lower Vent Set for CL-17 Striker Helmets - MC-1
$25.35
$25.35
Lower Vent Set for CL-17 Striker Helmets.
Hjc Lower Vent Set for CL-17 Striker Helmets - MC-1H
$25.35
$25.35
Lower Vent Set for CL-17 Striker Helmets.
Hjc Lower Vent Set for CL-17 Striker Helmets - MC-2
$25.35
$25.35
Lower Vent Set for CL-17 Striker Helmets.
Hjc Lower Vent Set for CL-MAX 3 Helmets - Black
$22.52
$22.52
Lower Vent Set for CL-Max 3 Helmets.
Hjc Lower Vent Set for i100 Helmets - Black
$31.05
$31.05
replacement part.
Hjc Lower Vent Set for i100 Helmets - S/F Black
$31.05
$31.05
replacement part.
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle