The Kit includes a total of 150 Kg Black Rubber Bumpers plates divided into two plates of 5 kg (code 9040/1), two of 10 kg (code 9042/1), two of 15 kg (code 9043/1), two of 20 kg (code 9044/1 ), and two of 25 Kg (code 9046/1).
The Black Rubber Bumper Plates are entirely rubber discs, made for weightlifting (weightlifting, powerlifting, cross training) and therefore to resist the barbell falling to the ground (hence the name bumper = bumper). To guarantee a uniformly distributed support, as well as a fixed height of the bar from the floor, the Bumper Plates are all produced with the same external diameter, conventionally fixed at 45 cm by the various federal regulations. Due to its mechanical characteristics, synthetic rubber is the most suitable material for making this type of disc.
The rubber used is of the best quality, but important cost factors such as coloring and varnishing of logos and numbers have been eliminated. The high quality of the rubber, almost odourless, with an excellent elastic coefficient and good mechanical resistance, allows to obtain exceptional levels of duration despite the use of the ring.
The steel ring, placed to protect the hole, in fact represents the cheapest and most widespread constructive solution, but has the limitation of wearing the disc more in the central part.
A relative limit because the Black Rubber Bumper Plates brilliantly pass the tests over 20.000 falls.
Bumper Kit Contents 150 Kg:
- 2x code 9040/1 Bumper plate kg 05 – thickness 24 mm
- 2x code 9042/1 Bumper plate kg 10 – thickness 42 mm
- 2x code 9043/1 Bumper plate kg 15 – thickness 60 mm
- 2x code 9044/1 Bumper plate kg 20 – thickness 70 mm
- 2x code 9046/1 Bumper plate kg 25 – thickness 82 mm
- Weight tolerance: +/-5%
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