Starting blocks risers developed for young and short motocross riders at starting gateConfigurable in two different versions: 10cm (4 inch) height blocks, or 15cm (6 inch), provide more stability to get better startsMade of strong shockproof plastic, durable and lightweight designNon-slip top surface for better gripNon-slip strong foots for maximum grip on the groundStackable design, saves space in your vehicle/garageErgonomic handle for easy transportTop surface dimensions: H=100 mm version 200 x 130mmTop surface dimensions: H=150 mm version 175 x 120mmBase dimensions: 275 x 175mmTotal weight for set H=10cm: 590gTotal weight for set H=15cm: 892gMaximum capacity allowed: 250kgSold as a pair