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// ARGON 18 DARK MATTER R8000 JENSON BIKEA GRAVEL BIKE ABOVEGravel riding has become immensely popular in the last few years. Gravel bikes have a more relaxed frame geometry than a traditional cyclocross bike which means riding longer distances won't be as taxing. When Argon 18 created the Dark Matter, they didn't just want to create a cookie cutter gravel bike. They wanted to create something that felt as fast and responsive on the trail as it would on the road. Their mission was accomplished. The Argon 18 Dark Matter R8000 Jenson Bike is a gravel bike that feels at home in almost all terrains. It features a longer wheelbase than their endurance bikes, but still shorter than most other gravel bikes that have an equivalent tire clearance. It has a monocoque carbon fiber frame and fork that has a 54mm rake on the smaller frames and a 49mm rake on medium, large, and extra large frames. The frame uses flat mount disc brakes with either 140mm or 160mm rotors and the frame has tire clearance for up to 45mm wide tires or 40mm with fenders mounted. It has a TDS-C seatpost that offers compliance and comfort. Lastly, the frame has a downtube protector and internal cable routing.This Jenson USA Exclusive Argon 18 Dark Matter bike will arrive on your doorstep outfitted with a hand-selected set of components from our experts. It comes with an exceptionally durable and lightweight Shimano Ultegra R8000 drivetrain that includes the shifters, brakes, front and rear derailleurs, crankset, and cassette. The 11-32-tooth cassette is paired with a 34/50-tooth crankset that makes it easy to climb and ride in harsh conditions. When it's time to descend down the mountain, the Ultegra R8070 hydraulic disc brakes will provide confidence-inspiring stopping power. Easton brings the wheels with the EA70 SL Disc. They roll smoothly and are durable enough to handle the rough terrain you throw at them. Whether you're going on a gravel adventure or you're just looking to cruising around, then you'll love the Argon 18 Dark Matter R8000 Jenson Exclusive Bike.FeaturesShimano Ultegra R8000 2x drivetrain provides exceptionally smooth and reliable shiftingShimano Ultegra R8000 hydraulic disc brakes offer confidence-inspiring stopping powerEaston EA70 SL Disc wheels are incredibly durable, lightweight, and reliableModular cable routing system is clean, smart, and efficientTire clearance for up to 45mm tires or 40mm with fendersSPECIFICATIONSFrameMonocoque Carbon FiberForkMonocoque Carbon FiberHeadsetFSA 30 + 3D PlusShiftersShimano Ultegra R8020, 2x11, Hydro-DiscFront DerailleurShimano Ultegra R8000, Braze-OnRear DerailleurShimano Ultegra R8000, GS CageCranksetShimano Ultegra R8000, 34/50TBottom BracketShimano SM-BB92-41BPedals-ChainShimano HG6011, 11-SpeedCassetteShimano Ultegra R8000, 11-32TBrakesShimano Ultegra R8070 Hydraulic DiscWheelsetEaston EA70 SL Disc, 12x100, 12x142TiresSchwalbe G-One All Around 700x38mmHandlebarEaston EA50 AX, 16deg FlareStemEaston EA50, 8deg RiseBar TapeVelo Shockproof Bar TapeSeatpostArgon 18 TDS-C Carbon, 27.2mmSeatclampArgon 18SaddlePrologo Scratch RSIntended UseGravel, Road, Adventure, FunWeight-Note: Components are subject to change without notice.METRICINCHSizeXX-SmallExtra SmallSmallMediumLargeExtra LargeA: Seat Tube Length420450485520555590B: Effective Top Tube492513534556579603C: Stack530550570590610635D: Reach356367377387397407E: BB Height------F: BB Drop707070707070G: Head Tube Length120135154171192216H: Head Tube Angle69.5 deg71.0 deg71.4 deg72.0 deg72.0 deg72.5 degI: Seat Tube Angle75.5 deg74.9 deg74.3 deg73.7 deg73.1 deg72.5 degJ: Standover Height701729760791821852K: Chainstay Length428428428428428428L: Wheelbase100810111024103010461059SizeXX-SmallExtra SmallSmallMediumLargeExtra LargeA: Seat Tube Length16.517.719.120.521.923.2B: Effective Top Tube19.420.221.021.922.823.7C: Stack20.921.722.423.224.025.0D: Reach14.014.414.815.215.616.0E: BB Height------F: BB Drop2.82.82.82.82.82.8G: Head Tube Length4.75.36.16.77.68.5H: Head Tube Angle69.5 deg71.0 deg71.4 deg72.0 deg72.0 deg72.5 degI: Seat Tube Angle75.5 deg74.9 deg74.3 deg73.7 deg73.1 deg72.5 degJ: Standover Height27.628.729.931.132.333.5K: Chainstay Length16.916.916.916.916.916.9L: Wheelbase39.739.840.340.641.241.7 | Argon 18 Dark Matter Ultegra Jenson USA Exclusive Build Sand, Small

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