Straps: The A1 uses adjustable cam-lock strap dividers so you'll be able to tweak them to get it just right to suit your head

Alivio BR-M4050

Rebound damper technologies/adjustments:

Pros: Improved seal structure and more grease means longer service life

On the other hand

Fox Factory Float X2 Factory Series Air Shock - Dual Open-Eye Mount - 200x51mm (7.875"x2.0") Gift Voucher Straps: The A1 uses adjustableTHE BENCHMARK OF GRAVITY AIR SHOCK PERFORMANCE Combining ultra plush coil like comfort and incredible damping prowess with the light weight of an air spring and an unmatched level of tunability, the Float X2 brings new levels of control and performance to every terrain imaginable. PRECISION TUNING FOR PRECISE RACE RUNS FLOAT X2 offers the ultimate in precision tuning with 4 way adjustability of high low speed compression and high low speed rebound