Mini bike shocks with chrome spring. 12.9" eye to eye, 3/8" (10 mm) eye diameter, 1-3/4" outer spring diameter, 350 lb maximum rated load. Shocks have 5 position load adjuster for fine tuning ride comfort. Great replacement for Rupp, Fox, Speedway, Alsport Steen, Moto Ski, Bonanza MX, Arctic cat, Attex Coleman, Heald, Ruttman, Simplex and many others. Universal shock can be used on most bikes, with the spring rate adjuster these make a great replacement for shocks 12" to 14" in length. Sold as a pair, 2 shocks.