LeadStrong Full Rubber Training Plate — Alt Series
The LeadStrong Full Rubber Training Plate Alt Series is a full-diameter rubber weight plate with a wider 51 mm bore, available in five weights from 5 kg to 25 kg. This full rubber training plate uses the same construction as the DLX rubber series: rubber granules and virgin rubber for the outer layer, a high-quality cast iron insert with steel fixings, integrated molding, and a weight tolerance of ±1%. Every plate has passed 1000 standard drop tests with no deformation or cracking.
The Alt Series differs from the standard DLX rubber plates in hole diameter (51 mm vs 50.4 mm) and color scheme — the 5 kg and 25 kg plates are black in this series. The 5 kg–20 kg sizes are sold per piece; the 25 kg size is sold as a pair.
Key Features
- Made from rubber granules and virgin rubber — silent landing, no floor damage, low odor
- Good elasticity and wear resistance
- High-quality cast iron insert with steel fixings — small size deviation
- Integrated molding; weight tolerance ±1%; size tolerance ≤±1 mm
- Passed 1000 standard drop tests — no deformation or cracking
- Hole diameter 51 mm (wider bore than standard 50.4 mm DLX series)
- 5 kg–20 kg sold per piece; 25 kg sold as pair
Technical Specifications
| Material | Rubber granules and virgin rubber with cast iron insert |
| Diameter | 450 mm (all sizes) |
| Hole Diameter | 51 mm |
| Weight Tolerance | ±1% |
| Size Tolerance | ≤±1 mm |
| Drop Test | Passed 1000 standard drop tests |
| 5 kg | Black / 23 mm thick / Flange 97 mm — per piece |
| 10 kg | Green / 43 mm thick / Flange 97 mm — per piece |
| 15 kg | Yellow / 53 mm thick / Flange 138 mm — per piece |
| 20 kg | Blue / 62 mm thick / Flange 138 mm — per piece |
| 25 kg | Black / 68 mm thick / Flange 138 mm — sold as pair |
Who Is This Full Rubber Training Plate For?
This full rubber training plate Alt Series suits commercial gyms and training facilities looking for a full-diameter rubber plate with a slightly wider bore (51 mm) and an alternative color option for the 5 kg and 25 kg plates. The construction and durability specifications match the DLX rubber series, making it equally well suited to high-volume daily use where floor protection and plate longevity are priorities.
Frequently Asked Questions
How does the Alt Series differ from the DLX rubber plates?
The key difference is the hole diameter: this series uses 51 mm vs 50.4 mm for the standard DLX rubber plates. The color scheme also differs — the 5 kg and 25 kg plates are black in the Alt Series rather than white and red respectively.
What are the selling units?
The 5 kg, 10 kg, 15 kg, and 20 kg plates are sold per piece. The 25 kg plate is sold as a pair (2 plates).
How many drop tests have these plates passed?
1000 standard drop tests with no deformation or cracking.
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