Verdict
Head-to-head · Best Motorcycle Helmets Under $300

HJC IS-MAX II Modular vs Shoei RF-SR

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Shoei RF-SR comes out ahead by a narrow margin (4.6 vs 4.8). The gap is mostly about riders wanting premium Shoei brand at lowest Shoei price — read the strengths below before deciding.

HJC IS-MAX II Modular
Ranked #4 in Best Motorcycle Helmets Under $300
HJC IS-MAX II Modular
$199

The IS-MAX II is the modular value pick — HJC's flip-up modular helmet at $199.

Strengths
  • Modular flip-up design
  • Drop-down sun visor
  • Polycarbonate composite shell
Watch-outs
  • No MIPS
  • Heavier than non-modular
  • HJC brand recognition lower than Shoei
Shoei RF-SR
Higher ratedRanked #1 in Best Motorcycle Helmets Under $300
Shoei RF-SR
$299

The RF-SR is the best-overall pick — Shoei's entry to its brand at sub-$300 with premium aerodynamics.

Strengths
  • Aerodynamic Shoei design
  • Exceptional fitment + comfort
  • Comfortable for hours of riding
Watch-outs
  • At $299 just under ceiling
  • Premium pricing within segment
  • Limited graphic options

How they stack up

HJC IS-MAX II Modular

Only modular pick. Drop-down visor. No MIPS.

Shoei RF-SR

Best overall under $300. Shoei build. Comfortable.

Specs side-by-side

SpecHJC IS-MAX II ModularShoei RF-SR
TypeModular
VisorDrop-down sun
BrandHJCShoei
Price$199$299
DesignAerodynamic
UseSport touring
← See the full ranking of best motorcycle helmets under $300