To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
One of the best quality dumb bells in market though slightly expensive. Four star for: It was mentioned 5kg pair, so I thought 5kg each but actually received 2.5 kg each. It was my bad but should have mentioned clearly.