Progressive Suspension shocks for XG 500/750
Progressive Suspension offers two shock absorbers as upgrades for the notoriously poor suspension of Harley’s Street 500 and 750 models which, when combined with their front fork spring kit, make for a full replacement suspension system that will deliver “optimal performance and comfort.”
The 412 series shocks are their most economical option and boast a simple, durable design to improve performance over the OE stock shocks.
The 430 series shocks provide threaded pre-load adjusters for tool-less adjustment “on the go.” Both are available in lengths from 12” to 13.5”, in chrome and contrast cut finishes, choice of standard or heavy spring rate for a combined rider weight over 250 lbs.
Also seen here, Progressive’s 10wt type E and heavy duty 20wt fork oils, recommended for use with Progressive Suspension's fork products, are said to have been formulated in the USA with a special additive package to “help provide superior damping and long lasting lubrication along with anti-foaming, anti-rust and anti-corrosion attributes.”
They are said to maintain temperature stability, minimize fluid leakage and resist fading, increase the service life of the fork seals and exceed all known OEM and Harley-Davidson warranty requirements.