Side-by-Side Comparison
Weightlifting & Strength Standards
Competition Kettlebells vs. Weight Plate & Collar Diameters
Comparing 2 standards across 18 specifications. 18 key differences identified.
Comparing:
Competition Kettlebells
Weight Plate & Collar Diameters
Competition kettlebells (Girevoy sport standards, regulated by IUKL and WKSF) feature a uniform outer physical size (280 mm total height, 210 mm spherical body diameter, and 33–35 mm handle diameter) across all weights from 8 kg to 48 kg, distinguished by standard color bands on the handle base.
Weightlifting plate center bores and barbell loading sleeves are divided into Standard 1-Inch (25.4 mm) and Olympic 2-Inch (50.8 mm) systems, requiring precision clearance tolerances (0.4–0.8 mm) and locking collars (spring clips, lock-jaw clamps, IWF competition spinlock collars) to prevent shifting under dynamic acceleration.
Specification Comparison Table
18 Parameters| Parameter / Spec | ||
|---|---|---|
|
Governing Standards
|
IUKL / WKSF / IKFF (International Kettlebell and Fitness Federation) | ASTM F2276 / ISO 20957 (Stationary Training Equipment) / IWF Standards |
|
Uniform External Dimensions
|
Total Height: 280 mm (11.0") | Sphere Diameter: 210 mm (8.3") | Base Diameter: 140 mm (5.5") | — |
|
Handle Diameter
|
33.0 mm (1.30 in) Competition Standard (35 mm on some training models) | — |
|
Handle Window Height
|
55 mm to 60 mm (clearance between bottom of handle and top of sphere) | — |
|
Construction Material
|
Single-piece cast steel with internal hollow cavity (avoids lead fillers) | — |
|
8 kg (18 lbs) Color
|
Pink band / body | — |
|
12 kg (26 lbs) Color
|
Blue band / body | — |
|
16 kg (35 lbs / 1 Pood)
|
Yellow band / body (Russian historical 'Pood' standard) | — |
|
20 kg (44 lbs) Color
|
Purple band / body | — |
|
24 kg (53 lbs / 1.5 Pood)
|
Green band / body | — |
|
28 kg (62 lbs) Color
|
Orange band / body | — |
|
32 kg (70 lbs / 2 Pood)
|
Red band / body | — |
|
Standard Plate Center Hole
|
— | 1.00 inch to 1.06 inch (25.4 mm to 27.0 mm) | Home fitness & vintage barbells |
|
Olympic Plate Center Hole
|
— | 50.4 mm to 50.8 mm (1.984 to 2.000 in) | Commercial gym & competitive standard |
|
Olympic Sleeve Diameter
|
— | 49.8 mm to 50.0 mm (provides 0.4–0.8 mm slide-on clearance tolerance) |
|
IWF Competition Collars
|
— | Weight: Exactly 2.5 kg (5.5 lbs) each (5.0 kg pair) | Calibrated spinlock compression clamp |
|
Lock-Jaw / Quick-Release Clamps
|
— | High-tensile nylon resin with TPE rubber grip pads | Weight: ~350–400g pair |
|
Spring Wire Clip Collars
|
— | Coiled chrome spring steel wire | Low clamping force, suitable for horizontal bench only |