OPEN Superlight U.P.P.E.R. (S,M,L,XL) Frame with OPEN U-Turn Fork and Flat Mount Brake

By: OPEN Cycle

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  • 2018 OPEN Superlight U.P.P.E.R. (S,M,L,XL) Frame with OPEN U-Turn Fork and Flat Mount Brake

    Get out of town on asphalt, hit the gravel roads or switch to singletrack. Your position gets you there fast; the big tires make you unstoppable, and it drops even more weight off the frame and fork with advanced carbon layup, so you can get on the podium of those gravel races. THE Ultimate Gravel bike! The U.P.P.E.R. with with OPEN U-Turn fork and flat-mount disc brakes combines a road riding position with clearance for mountain bike tires. OPEN came up with the U-turn fork, a new fork that accepts lighter flat-mount calipers. Thanks to the U-turn fork, you can use the lightest possible brakes from both Shimano and SRAM and make those set-ups even lighter by removing the normally required adapter. A win-win.

    The U.P. fits mountain bike tires up to 650b/27.5” x 2.1” wide. But you can also fit a 700c/29er x 40mm cross tire, or a 28mm road tire, or anything else in-between. So you’ll hardly notice a difference in geometry swapping 700c cross/road and 650b mountain bike tires on the U.P. Clearance for cross, road and mountain bike tires, a cross/road position and compatibility with cross/road & mountain bike drivetrains, this bike can do it all. The chainstays are quite short for a cross/gravel bike, despite the ability to fit the massive 54mm tires in. That's one of the benefits of the dropped drive-side chainstay. The rear triangle provides lateral stiffness for an efficient drive train, but vertical compliance for better comfort. The U.P.P.E.R. features chainstays and seatstays that are extremely thin vertically to provide that compliance, while their lateral width and layup ensure rock-solid propulsion. Truly the best of both worlds. The seattube is designed to be offset, so that your seatpost doesn't have to be, which equals more weight savings.

    External cables & hoses collect dirt, risk getting stuck behind objects (particularly expensive with electronic shifting) and frankly, they are ugly. So the U.P.P.E.R. runs them internally. The U.P.P.E.R. uses the 386 EVO bottom bracket standard. The wide (86mm) BB shell is perfect to attach the dropped drive-side chainstay to. Furthermore, it fits most of the cranks on the market, from Shimano and SRAM but also smaller brands like THM and Rotor. 386 EVO even allows for the installation of many mountain bike cranks. Not all versions of each crank fit though, so be sure to check with us. This bike will get you there and back with a smile on your face, since you know you can Ride All Roads.

    *Available in Black or RTP. Sizes S, M, L, XL. On the cart page, please specify in the notes/special instructions section which size and color you would like. Allow 1-2 weeks for bike to be built up ready for pickup.

    • The frame/forks also includes a headset, seattube collar, front & rear thru-axle, 2 rear derailleur hangers, 1 removable front derailleur mount, cover bolts for front derailleur mount posts, 3 MultiStops (2x, 1x, Di2), chainstay cable exit stop, BB guide, cable sleeves, noise-reduction foam sleeves, bottle cage bolts, manual.
    • We specialize in custom builds, let us know what you want and we can build your dream bike!
    • OPEN Cycle Superlight Gravel Frame
  • United States Shipping:

    Everything in the entire store ships for free to the USA, it's that simple, no catch. The free service will likely be USPS or FedEx depending on the size of the package. Please see our USA Shipping Options page for more info. Everything ships pretty darn fast since we have a shop/shipment center on the West and East Coast.

    International Shipping:

    International shipping is available on 99% of our products. Shipping cost can be calculated on the cart page or during checkout. We are experts at international shipping so please buy with confidence. We have great prices on Usps Priority & Express services, all services will include a tracking number. Please see our International Shipping Options page for more info.


    We offer a 45 day return period on all new items. We want our customers to be happy and returns to be easy. Please see our Return Policy FAQ's page for more info.



Collections: Bikes & Frames, OPEN Cycle

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