Power Systems - Kettlebell Prime

A commercial-grade cast iron kettlebell line that runs from 10 to 100 lb, from a supplier that has equipped gyms since 1986.

Power Systems has supplied commercial gyms, schools, and studios out of Knoxville, Tennessee since 1986, and the Kettlebell Prime is the current version of its core cast iron bell. Each bell is a single casting with a matte black powder coat that holds chalk, a colored band on the handle for weight identification, and the weight tooled into both sides. The line runs 15 sizes from 10 lb at $43.00 to 100 lb at $286.50, which is a wider top end than most home-focused brands carry.

The design follows the classic gym pattern: handle diameter and bell size grow with the weight rather than staying fixed the way competition-style bells do. That makes heavy bells comfortable for two-hand swings and carries, but it also means your grip and rack position change slightly as you move up the ladder. If you are training for kettlebell sport, a competition bell with uniform dimensions is the better tool.

The honest math on any fixed-weight bell line applies here. Bells are sold individually, so building a 10 to 50 lb ladder means five purchases and roughly $265 to $365 depending on the steps you choose, plus shipping on cast iron. An adjustable kettlebell costs less per pound of range and stores in one footprint. What you get in exchange is a bell with no moving parts, no plates to shift mid-swing, and nothing to fail.

Prices at this weight range are competitive: about $1.44 to $4.30 per pound across the line, with the heavier bells cheaper per pound. All 15 sizes were in stock at the time of this review, and racks are available separately if the collection grows.