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Onnit
Onnit

Onnit Primal Bell - Chimp (36 lb)

4.2 / 5 editorial rating

Onnit's novelty Chimp Primal Bell sculpts a standard 18 kg cast-iron kettlebell into a primate face while keeping a fully functional handle.

$100 MSRP · ref. May 14, 2026
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MSRP is a reference figure — live price is on the retailer's site.

Overview

Onnit's Primal Bell series takes a conventional cast-iron kettlebell and sculpts the body into a primate face, with each weight in the range depicting a different ape, and the Chimp lands at 36 pounds, about 18 kilograms. Beneath the novelty the bell functions like any quality cast-iron kettlebell: it is gravity cast in a single piece, the handle is finished smooth and sized for two-handed swings, and the balance point sits where a trainee expects so swings and cleans track normally. The sculpted face is more than decoration, since the textured detailing gives the body surfaces that catch the eye and make the weight ladder easy to identify at a glance, with each heavier bell wearing a fiercer expression. The finish is a gloss-leaning coat rather than a matte powder, which looks striking but is a touch slicker than a textured bell, so chalk is helpful for high-rep work. The flat base lets the bell stand for floor pressing, though the sculpted body means it is not perfectly symmetrical for renegade rows. These bells command a premium for the artwork and the Onnit brand, so you are paying partly for the aesthetic. For lifters who want training gear with personality and do not mind the upcharge, the Primal Bell delivers a fully usable kettlebell wrapped in a genuine conversation piece.

Pros

  • +Functional cast-iron bell beneath the sculpted design
  • +Distinctive primate artwork makes weights easy to identify
  • +Smooth handle sized for two-handed swings
  • +Single-piece casting balances like a standard bell

Cons

  • Glossy finish is slicker than matte powder coat
  • Premium price for the novelty design
  • Sculpted body is not symmetrical for some floor work

Full specifications

Kettlebells specs

Type Cast Iron
Weight 36 lb
Adjustable No
Adjustable range
Coating E Coat
Handle width 5.3"
Fill material Cast Iron
Flat bottom Yes
Competition spec No

Dimensions & weight

Dimensions (L×W×H) 8" × 8" × 11"
Floor footprint 0.4 sq ft
Product weight 36 lb

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