Spectro Heavy Duty Type-Heavy fork oil ( 40 wt ):
- Used in all 2000-up Big Dog models, except Bulldog*
- Used in all American Ironhorse models.
Delivers superior damping and long-lasting lubrication as well as anti-foaming, anti-rust, and anti-corrosion attributes. Provides exceptional temperature stability, minimizes fluid leakage, resists fading. It also preserves and conditions your fork seals. Heavy variant limits front end dive during braking.
*Bulldog model, you'll need to buy Type-E oil.