Belt-driven rodless electric axis, anodized aluminum body with integrated linear guides and V-Lock interface. Available in two sizes: BK-1 (Medium with roller guides or Heavy with recirculating ball carriages) and BK-2 (Heavy with two carriages or Heavy XL with four carriages and dirt protection). Carriage features V-Lock profile (except BK-2 Heavy XL). Polyurethane steel-reinforced belt ensures efficiency and low noise. Stepper or brushless motors available with brake, encoder, and reducers. Interfaces for third-party motors on request.