Open Cycle U.P.
The Open U.P. is the original dual-wheel-size gravel bike, designed by Cervélo co-founder Gerard Vroomen — one frame, two wheel sizes.
What Is the Open Cycle U.P.? The U.P. (Ultimate Performance) is the bike that started the dual-wheel-size gravel trend — designed by Gerard Vroomen (co-founder of Cervelo) to accept either 700c road wheels with 40mm tyres or 650b mountain bike wheels with 2.1 tyres on the same frame. Every major gravel brand has since copied this concept; Open did it first and still does it best. Key Features Full carbon frame — manufactured at the Cervelo production facility Accepts 700c with up to 40mm tyres OR 650b with up to 2.1 tyres Road-fast or trail-capable: one frame, two complete identities Race geometry with enough stability for technical off-road riding Internal cable routing, Di2 and eTap AXS compatible Swiss engineering — designed and developed in Switzerland Who Is the Open U.P. For? Cyclist
Frequently Asked Questions
- What size Open Cycle U.P. should I get?
- Sizing for the Open Cycle U.P. is based mainly on your height and inside leg measurement, and Open Cycle's size chart is a good starting point. Because the right fit makes a real difference to comfort and handling, we'd recommend visiting The Cycle Zone in store where our team can measure you properly and confirm the correct size before you buy.
- Does the Open Cycle U.P. arrive assembled?
- The Cycle Zone carries out a full professional pre-delivery inspection and build on every bike, including the Open Cycle U.P., before it leaves us. It arrives ready to ride with only minor final adjustments — such as handlebar angle or saddle height — left for you to fine-tune, or we're happy to do this for you in store.
- What warranty comes with the Open Cycle U.P.?
- The Open Cycle U.P. is covered by Open Cycle's standard warranty, which typically covers the frame against manufacturing defects for an extended period and components for a shorter standard term. The Cycle Zone handles warranty claims and servicing directly, so you're not left dealing with the manufacturer alone if an issue comes up.