Suspension
Best Suspension Setup
Setting it up for your weight.
Harley-validated
Correct Sag
- Rear sag: 25-30% of total travel
- Front sag: 30-35%
- Adjust with you on the bike in full gear
- Fine-tune on a real road
Safety & cautions
- Air shock without minimum pressure = bottoms out and breaks
- After spring/height change, re-aim the headlight
- Static sag should be 25-30% of travel
Average US cost (USD)
- Front progressive springs (Progressive Suspension): $130-200
- Touring air shock pair: $480-900
- Öhlins HD 749 Touring: $1,600-2,400
- Full pro setup: $250-450
When to see a mechanic
- Fork seal oil leak — replace seal
- Bottoming-out clunk = low oil or weak spring
Quick questions
Is a suspension upgrade worth it?
Biggest comfort and handling gain after tires. Especially stock Sportster/Dyna.
Is air ride reliable?
Modern ones are. Maintain minimum pressure and inspect lines every 2 years.
Where to dig deeper
- Progressive Suspension
- Öhlins
- Race Tech