Progressive Suspension Model 490 Shock Set | 12.5" | Heavy Duty | 06-09 Dyna

The Progressive Suspension Model 490 Shock Set offers true sport performance with a high-pressure monotube design, deflective disc damping, and progressive rate springs. It delivers smooth control from daily rides to race-day demands.

Features:

• Sport Series
• Most consistent feel throughout the damper stroke on both street and track
• Smooth ride and control bottoming
• Adjustment without tools
• Hand-built shocks
• Tuned and checked for a bolt-on non-issue shock experience

Specifications:

• Build: Chromed steel body with machined aluminum spring covers
• High-pressure nitrogen charged monotube design
• Colour: Black spring Black body
• Heavy Duty
• Spherical style bearings
• Deflective disc damping technology
• Linear rate spring
• Preload and rebound adjustability by hand
• Engineered jounce bumper with a built-in metal cup
• Progressive rate spring allows for a consistent performing shock

Which shock is for you?

• Standard Duty Shocks: are for light-weight individuals, where both rider and passenger are light weight. For those whose combined rider weights up to 250 lbs / 113kg. Heavy Duty shocks or springs will give them a harsh ride.
• Heavy Duty Shocks: are for body-builders type individuals or for those who carry heavy baggage, where both rider and passenger combined weight is 250 lbs / 113kg to 350 lbs / 159kg. These shocks are best for where bike is operated at manufacturers maximum load rating over 50% of the time.
• Super Heavy Duty Shocks: are for heavy-weight individuals or for those who carry heavy baggage, where both rider and passenger combined weight is 350 lbs /159kg and up.

Compatibility:

• 12.5" | Standard Duty: 06-09 Dyna (NU)