Garbaruk, based in Poland, makes high quality 1x chainrings for road, gravel, MTB and CX bikes. This includes both round and oval chainrings. They also make lightweight cassettes with large gear ratios for mountain bikes. The company has a full production cycle that includes 3D modeling, CNC milling and anodizing. Garbaruk chainrings and cassettes are ultra-lightweight, made of highly durable aluminum alloy and feature a special tooth shape which results in maximum chain retention.