Pushing the Boundaries

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OPEN U.P.P.E.R. Frameset Shop Now

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OPEN Cycle creates advanced bikes for riding dirt, gravel and rough roads. Their superlative U.P. and ONE+ frames are introducing riders to a new level of performance on rugged terrain. Each of these unique designs features the versatility to run multiple wheel sizes, while the ONE+ does so at less than 900 grams. To make all of this even better, OPEN Cycle maintains a superior ride quality through balancing expert engineering with thorough testing and proven construction. Contender Bicycles has been chosen to be one of the few dealers authorized to stock and sell this exciting new brand and we are happy to offer them to you. For 2017 we will see a new, lighter weight version of the popular U.P. frameset and the first full suspension model from OPEN.

The One+ Frame

OPEN ONE + Salt Lake City Utah Contender Bicycles

Though still a very small brand, OPEN Cycle benefits from being owned and operated by two individuals with decades of bike industry experience. Formerly with Cervelo and BMC, Gerard Vroomen and Andy Kessler are now focused on pushing the boundaries of hardtail mountain bikes while steering road bikes toward more dirt and gravel use. “Our goal was to build an extremely light but strong hardtail and ask ourselves ‘why shouldn’t we’ every step of the way”. This goal has been met and carried forward into their latest creation called the ONE+. Weighing in at less than 900 grams this superlight frame is allowing riders the unreal stability and traction of 27.5 x 3 inch wide tires without any weight penalty. Not only the lightest 27+ available, the OPEN ONE+ will easily accept 29 inch wheels to create a very fast, race-ready hardtail.

When developing the ONE+ it was very important to Gerard and Andy that the bike keep the feel and responsiveness of a race bike with the added ability to run a 3 inch wide tire. Once they decided to utilize the Boost platform – wider frame spacing to accommodate larger wheels – they revisited every aspect of its design to make it the lightest plus size compatible frame on the market. The ONE+ frame allows the use of 29 inch tires on a wide rim or upto 3 inch wide tires on a 27.5 inch rim to give all of the advantages of bigger wheels with no compromise in handling or performance. We have already helped many riders get out on the lightest, fastest mountain bike available in the form of a new OPEN ONE+ assembled to their specs.

Open Cycles made their One+ world-wide debut at our Salt Lake City headquarters.  We built up a very special One+ for Andy Kessler for the launch, and have the build and images posted over on our blog.  Preview: The OPEN ONE+ Mountain Bike.

The U.P. Frame

Unbeaten Path

OPEN U.P. Unbeaten Path Frameset

With a similar attitude the two have developed the OPEN U.P., first production road frameset that can be ridden with either 700c or 27.5 inch wheels. The U.P. is, by now, well-known for the ability to pound pavement or duel in the dirt, all with the comfort and control of your favorite road bike. Not limited to a traditional road or cross setup, we have seen the U.P. frameset built up with a range of alternate setups, from 27.5 x 2.1 inch tires and XTR Di2 to 1×11 drivetrain to flat bars and 700c CX wheels. These sought after frames are proving that true versatility can exist without compromise and have put OPEN Cycle well on the map to the road less traveled.

Recently many of the U.P. frames have been delivered in RTP, Ready To Paint, this lowkey colorway lets the rider creatively choose any look they want or go full stealth mode on their new OPEN. Going into 2017 there will a lighter version of the U.P. available, saving a few hundred grams will go a long way to letting weight conscious riders build an exceptional off-road ride closer to road bike weight.

To get some ideas for your own Open U.P, check out our write-up over at It’s Time To OPEN U.P.

OPEN One+ Eagle XX1 Complete Bike

OPEN ONE + XX1 Complete Bicycle

The Open One+ is an exciting frame, offering flexibility to be run as a pure-bred race hardtail or as a still-ultra-light yet more stable 27.5″ Plus bike.  We’ve spent many hours on the One+, and even more building up dream builds for our customers. From our time riding the bikes, and hearing from others who have as well, we’ve hand-selected a semi-stock bike to offer to those who would rather be out on the trail than picking parts. Our OPEN One+ Eagle XX1 Complete Bike offers exceptional performance, extremely light weight, and the just a few options to tailor the ride specifically for you.

Check out our write up on Ryan’s personal OPEN One+ mountain bike on our blog.

OPEN U.P. Unbeaten Path Ultegra Complete Bike

OPEN U.P. Unbeaten Path Ultegra Complete Bicycle

Half the fun of the OPEN U.P. is hand-selecting each and every part, to make your new ride your new ride.  The other half is actually riding it.  Gravel and dirt roads, singletrack, early morning commutes, cyclocross races, Saturday morning group rides, the Open U.P. Unbeaten Path does it all.  For those who’d rather focus solely on riding their OPEN, we’ve curated our exclusive OPEN U.P. Unbeaten Path Ultegra Complete Bike with a sensible and versatile build, and options for either 700c wheels, or 650b.  We love the acronym KISS – keep it simple.  We believe our complete bike does just that – gives you a great, no-nonsense bike that’s ready to hit the road.

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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 Cycles 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.