OPEN Cycle is a unique and innovative company that is at the forefront of creating cutting-edge bicycles for off-road riding. They have revolutionized the industry with their superlative MIN.D., U.P., U.P.P.E.R., and ONE+ frames, which are unlike anything else on the market. These frames are designed to offer unparalleled performance on rugged terrain, with the versatility to run multiple wheel sizes, and the ONE+ weighing less than 900 grams.

What truly sets OPEN Cycle apart from other bike manufacturers is their unwavering commitment to producing bicycles that not only perform exceptionally well but also provide an unparalleled ride experience. Their frames are engineered to perfection, thoroughly tested, and constructed using only the most advanced techniques and materials.

Contender Bicycles is proud to be one of the select few authorized dealers chosen to stock and sell this remarkable brand. We recognize that OPEN Cycle is not just another bike manufacturer, but rather a company that is leading the charge in creating bikes that offer a unique and unparalleled riding experience. We are excited to offer our customers the opportunity to experience the exceptional quality and performance of OPEN Cycle bikes and become part of this exciting new movement in off-road cycling.


The Open Cycles U.P. (Unbeaten Path) bike is a truly unique offering in the world of cycling. With its carbon fiber frame and adaptable geometry, it's a versatile machine that can take on any terrain. What sets it apart from other bikes on the market is its attention to detail: from disc brakes to tire clearance to multiple mounting points, every aspect of the U.P. has been carefully designed to ensure a smooth and comfortable ride, no matter where you're headed. If you're looking for a one-of-a-kind ride that can handle anything you throw at it, the Open Cycles U.P. bike is the ticket.


The U.P.P.E.R. bike from Open Cycles is a truly exceptional machine that has garnered significant attention and acclaim within the cycling community. Built with a lightweight carbon fiber frame and a host of innovative features, it's a machine that can handle any terrain. Its unique geometry is designed to provide a smooth and efficient ride on everything from paved roads to rocky trails, while its disc brakes and ample tire clearance ensure reliable stopping power and excellent traction. Plus, with multiple mounting points for water bottles and gear, it's perfect for long-distance rides or bikepacking trips.


The Open Cycles WI.DE. (Winding Detours) bike is versatile and durable enough to take on any terrain. Its carbon fiber frame is built to withstand the rigors of off-road riding, while its adaptable geometry provides a smooth and efficient ride on both paved roads and rough trails. And what really sets it apart is its compatibility with both 700c and 650b wheels, allowing you to switch easily between road and off-road riding. If you're looking for a bike that can handle any detour you encounter, the Open Cycles WI.DE. is the way to go.


The Open Cycles MIN.D. (More Is Now) bike is a versatile and innovative machine that combines the best of road and off-road riding. With its carbon fiber frame and adaptable geometry, it's built to handle anything you throw at it. What really sets it apart is its unique suspension system, which allows you to switch easily between rigid and suspended riding modes. This means you can enjoy a comfortable ride on rocky trails, then switch back to a more efficient setup for smooth roads. With multiple mounting points for water bottles and gear, it's also perfect for bikepacking trips and long-distance rides.

OPEN MIN.D. California

The OPEN MIN.D. California is a new high-performance bike frame designed and manufactured in the USA by Gerard Vroomen, a well-known figure in the cycling industry. The frame weighs only 775g, making it one of the lightest in its class, and is made using advanced carbon fiber manufacturing techniques. Vroomen's design approach emphasizes not only weight reduction but also aerodynamics, integration with modern components, and comfort. With the MIN.D. frame, Vroomen aims to provide riders with a unique combination of performance and quality, all while supporting local manufacturing in the United States.


The Open ONE+ is a versatile hardtrail bike designed for adventurous riders who enjoy exploring off-road terrain. The frame is made using high-quality, lightweight carbon fiber and features a unique "Twin Vane" design that maximizes stiffness while reducing weight. The bike is equipped with a range of high-performance components, including a SRAM Force AXS groupset and hydraulic disc brakes. With its comfortable geometry and wide tire clearance, the Open ONE+ is suitable for a variety of riding styles, from gravel racing to bikepacking adventures. The Open ONE+ offers a great combination of performance, versatility, and comfort for riders who seek new challenges and experiences on two wheels.



At Contender Bicycles, our best tools for selling bikes are the people who ride them. Everyone at Contender Bicycles has extensive experience riding bikes across many brands. Ryan Littlefield is our resident Open Cycle expert and the owner of Contender Bicycles. If you have any questions regarding an OPEN or want to discuss build options, email him at or by phone at Contact Us.