Shock Absorber Type 540 Road Lift/Lowering:-70 mm ZERO Friction springs plus the

ZERO Friction springs plus the right oil deliver a markedly better setup

repeatable adjustments

A matched suspension set centered around the 623 reservoir shock for the rear and a coordinated fork upgrade at the front

Harley-Davidson Pan America RA1 – Suspension Optimization

Shock Absorber Type 540 Road Lift/Lowering:-70 mm ZERO Friction springs plus theEcoline 540 Mono Road 46 mm The premium value alternative in our lineup, offering larger bore damping control for demanding riders. Includes stepless spring preload adjustment via spanner tool, radial piston design, and progressive shim stack for consistent performance. Durable, maintenance free spherical bearings ensure longevity. Backed by a 5 year warranty and ABE. Note: Product image may vary. Download ABE