Progressive Suspension 444 Series Shocks 11/11.5" Sportster 04-21 Length:11.5" Dimensions: 24mm wide x 37mm

Dimensions: 24mm wide x 37mm high X 21mm deep

Note: Dimensions are approximate and for reference only

Glass diameter: 135mm

Size: 1-7/8 x 1/2"

11-18 H-D with HDLAN (CAN-bus)

Progressive Suspension 444 Series Shocks 11/11.5" Sportster 04-21 Length:11.5" Dimensions: 24mm wide x 37mmOur Progressive Suspension 444 Series Shocks feature a proprietary patented Frequency Sensing Technology (FST) that has the unique ability to dynamically adjust damping as you ride, what this means is whether youre hitting the small or big bumps in the road, the shock distributes oil through ports accordingly to soak up the hit making for an ultimately comfortable ride. A top mount threaded preload adjuster allows for fine tuning with a simple twist