Okuma Helios SX spinning reels are constructed of C-40X carbon and the torsion control armor design make the reel extremely rigid and lighter, also reduce twist and torque and keep the internal parts in perfect alignment for freshwater and inshore saltwater fishing.

- Light weight C-40X carbon frame and sideplates
- C-40X Cyclonic Flow Rotor for corrosion resistance
- TCA: Torsion Control Armor reduces twisting
- 8HPB + 1RB corrosion resistant stainless steel bearings
- Quick-Set anti-reverse roller bearing
- Precision machine cut brass pinion gear
- ALG: Precision AlumiLite alloy main gear and oscillating gears
- Rigid, machined aluminum, anodized handle
- Light weight, EVA handle knobs for comfort
- Precision Elliptical Gearing system
- Machined aluminum, 2-tone anodized spool
- Heavy duty, solid aluminum bail wire
- RESII: Computer balanced Rotor Equalizing System
- LCS line control spool