Progressive Suspension 412 Series Shock Set | Standard Duty | Dyna

The Progressive Suspension 412 Series Shock Set are the best shocks. It has Nitrogen charged double steel wall body with multi-staged velocity sensitive valving and five position cam style preload adjustment.

Specifications:

• Build: Chromed steel body with machined aluminum spring covers
• Nitrogen charged double steel wall body
• Multi-staged velocity sensitive valving
• Standard Duty
• Five position cam style preload adjustment

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:

• 11 | Standard Duty | Black: 91-17 Dyna (Excl. 99-03 FXDX) (NU)
• 11 | Standard Duty | Chrome: 91-17 Dyna (Excl. 99-03 FXDX) (NU)
• 12 | Standard Duty | Chrome: 91-17 Dyna (Excl. 99-03 Dyna FXDX Super Glide Sport & 12-16 FLD Switchback) (NU)
• 12 | Standard Duty | Black: 91-17 Dyna (Excl. 99-03 Dyna FXDX Super Glide Sport & 12-16 FLD Switchback) (NU)
• 12.5 | Standard Duty | Chrome: 91-17 Dyna (Excl. 99-03 FXDX Super Glide Sport; 12-16 FLD Switchback) (NU)
• 12.5 | Standard Duty | Black: 91-17 Dyna (Excl. 99-03 FXDX Super Glide Sport; 12-16 FLD Switchback) (NU)
• 13.5 | Standard Duty | Black: 91-17 Dyna (Excl. 12-16 FLD Switchback) (NU)
• 14 | Standard Duty | Black: 91-17 Dyna (Excl. 12-16 FLD Switchback) (NU)

Note: Black 412 shocks may be supplied without lower cover.