Ortlieb is a German brand that is widely recognized for its high-quality and durable outdoor equipment, particularly waterproof bicycle bags and panniers. Founded in 1982, Ortlieb has become a leader in the field of waterproof and weather-resistant gear, catering to the needs of cyclists, adventurers, and outdoor enthusiasts. Ortlieb's bicycle bags are known for their robust construction, innovative designs, and, most notably, their waterproof features. The brand utilizes advanced materials and technologies to create bags that can withstand various weather conditions, keeping the contents dry and protected. Ortlieb offers a range of bags, including panniers, handlebar bags, backpacks, and bikepacking bags, providing cyclists with versatile and reliable options for carrying their gear. In addition to cycling-specific products, Ortlieb also manufactures waterproof bags for a variety of outdoor activities, such as hiking, trekking, and water sports. The brand's commitment to quality and functionality has earned it a strong reputation among outdoor enthusiasts worldwide. Cyclists, in particular, appreciate Ortlieb for its reliable and weatherproof solutions for carrying gear on bikes.

Sigma Sports is a leading cycling and triathlon retailer based in the United Kingdom. Sigma Sports provides a comprehensive range of products catering to cyclists, triathletes, and outdoor enthusiasts. The store offers a diverse selection of bicycles, cycling accessories, apparel, and gear from well-known brands. Sigma Sports is known for its commitment to quality, customer service, and expertise in the cycling industry. The retailer has both a physical store and a robust online presence, making it convenient for customers to explore and purchase products. Sigma Sports is often associated with a wide range of cycling disciplines, including road cycling, mountain biking, and triathlon.