Leg Curl / Extension – DOER Black Series

LEG CURL / EXTENSION – DOER Black Series Two movements. One compact beast. The DOER Black Series Leg Curl / Extension offers dual functionality for training both the quadriceps and hamstrings with biomechanical precision. Easily adjustable between seated leg extension and lying/seated leg curl, this machine delivers safe, effective resistance and a smooth motion path for isolated development. Ideal for gyms that want to optimize space without compromising on quality or versatility, it's a must-have in any premium strength area. Key Features ✅ Dual-function: leg extension + leg curl ✅ Selectorized weight stack with quick pin change ✅ Adjustable backrest, ankle pad, and movement arm ✅ Smooth cable system and ergonomic support ✅ Matte black commercial-grade steel frame Specifications Length: 165 cm / Width: 110 cm / Height: 150 cm Weight stack: 100 kg (customizable) Frame: 3 mm thick steel, powder-coated matte black Padding: EVA foam with anti-slip cover Perfect