The Arashi Nitrogen Charged Rear Shock is a good improvement if you are looking reduce nuisances associated with OEM shocks.

Feature:
Hard anodized. Anodized color coating to keep products looking great for years to come.
Nitrogen charged/Monotube design. Built-in adjustable preload on all applications. By adjusting the tightness and rebound speed, you can adapt your motorcycle to various road conditions.
Low-friction piston rod & eyelets.
Multiple rebound speeds available to accommodate a wide range of riders.

Material:
Precision CNC-machined components. Made by CNC Aluminum and solid steel. High quality, its load-bearing capacity can absolutely meet our daily use.

Specifications:
Eye to eye 360mm / 14" ; Round ends. Gross Weight: 4.5kg
Maximum load: 300 kg /≈660 lbs. rebound speed: 120 LBS/IN. Spring travel length: 67mm/ 2.64"

Color:
Gold.

Fitment:
Multiple selections of bearing sizes to fit more street & vintage bike. Suitable three type of bearing: 10mm/0.4in, 12mm/0.5in, 14mm/0.6in.

Package include:
1 Pair x nitrogen charged rear shock absorber.

Notice:
Check sizes before purchase, correct specifics = correct fitment.
Professional installation recommended.