Flex Urethane Series from PowerBlock are the fourth generation of PowerBlocks. The urethane coated weight plates offer the ultimate in smooth performance in addition to their �flex� technology in both the weight plates and the selector pins making for the most durable PowerBlock yet. The coloured rails are powder coat painted and are on both sides of each block for easy identification of the different weights. Has a weight range of 1kg-23kg per hand. This stage 1 set replaces the need for 20 pairs of traditional fixed weight dumbbells.
Stage 2: When Stage 2 is added the U90 set has an equivalent of 28 pairs of dumbbells with the total set of weight plates delivering 23kg - 32kgper hand.