The Shimano Spheros 4000FB is a durable, saltwater/freshwater spinning reel featuring a 5.1:1 gear ratio, 3 shielded stainless steel ball bearings plus 1 roller bearing, a waterproof front drag system, and a weight of roughly 12 ounces. Overview and Specifications: Gear Ratio: 5.1:1Weight: ~12 ozBearings: 3 stainless steel ball bearings + 1 roller bearing (4 total)Line Capacity (Mono lbs/yds): 8/240, 10/200, 12/160 This reel is smooth, and was serviced last November. No significant corrosion or rust anywhere other than the very top of the reel where it connects to the reel seat. Spool looks great, inside and out. The bail flip is a little bit stiff, but just needs a touch of oil.