Old Line Cycles is a local, family-owned and operated bike shop serving Southern Maryland since 2023. They welcome riders of all abilities and disciplines, offering sales and service for various bicycle types and brands. They are a preferred Trek Bikes retailer.

With a start in 1976, OTBS is a bicycle shop with a large variety. Service or sales, we got it!

Omaha Bicycle Company was a unique, people-focused, full-service bicycle and coffee shop in Omaha, Nebraska, specializing in bicycle sales, service, and community building. Founded by Sarah Johnson, the shop served as a hub for local cycling advocacy and social rides before closing its brick-and-mortar location. The owner now focuses on cycling advocacy and related projects like the Car Free Midwest podcast.

Omer & Bob's is a long-standing New Hampshire institution, proudly serving the Upper Valley since 1964. They specialize in equipment and clothing for the self-propelled, including a wide selection of bikes, ski gear, tennis, and running apparel. The shop focuses on in-store service, encouraging customers to call or visit for personalized assistance and to test ride bikes or try on gear.

ONE OAK Bicycles is a boutique and velo lounge that departs from the traditional bike shop model, functioning as a gallery, museum, and retail space. They specialize in custom-curated builds based on new and used vintage, modern, and re-imagined framesets, offering ground-up builds, restoration services, and component sourcing. The Velo Lounge is a community space for cyclists to gather, share their passion, and enjoy complimentary coffee or beer.

Oneota River Cycles is a long-standing bicycle shop in Decorah, Iowa, with over 35 years of experience in servicing, racing, and living on bikes. Owned by Richard 'Deke' Gosen, the shop offers a range of services including sales, repairs, custom wheel-building, and rentals, catering to the local cycling community and visitors exploring the Driftless Region. The owner is also noted for his involvement in putting on some of the state's first gravel races.

OneTen Cycles is an independent bicycle dealership passionate about promoting cycling and healthy lifestyles. They offer high-quality Trek and Electra bicycles, accessories, and clothing, along with professional services like bike repair and fitting. They have been recognized as one of America's Best Bike Shops.

On the Go! Mobile Bicycle Services is a mobile bike repair and maintenance service operating in the DC Metro Area, including Northern Virginia. With over 30 years of experience, the lead mechanic offers personalized, professional repair for standard and e-bikes, including tune-ups, flat fixes, and component upgrades, brought directly to the customer's home, office, or event.

On Your Left Cycles is a customer service oriented bicycle shop specializing in custom bikes, bikes for any type of rider, hand built wheels, all things BMX, and hard to find parts. They also offer a well-equipped service department dedicated to keeping customers rolling.

Open Air Bicycles has been serving the Ventura cycling community for over 30 years, offering a large selection of bikes from top brands like Specialized, Pinarello, and KHS. Staffed by passionate riders, the shop provides expert advice, trusted repairs, and custom bicycle builds for all levels of cyclists, from beginners to pro road racers. They are committed to keeping their customers riding safely and comfortably.

Open Range Cycles, formerly Fitzgerald's Bicycles, is a full-service bike shop in Jackson Hole, Wyoming. They offer a wide range of bicycles for sale, expert maintenance and repair services, convenient rentals, and curated accessories and apparel. The shop is dedicated to creating a welcoming and inclusive environment for all riders, from novices to seasoned professionals.

Open Roads Bike Program is a youth development program in Kalamazoo, Michigan, that uses bicycles and bike mechanics as a vehicle for skill development and community engagement. They provide job skill training, apprenticeships, and bike repair services to youth, along with programs to provide bikes and repair services at low or no-cost. The organization is dedicated to engaging and empowering young people to better prepare them for their future.