Niner ORE 9 RDO 4-Star GRX Bike The Off Road Explorer Gravel riding can be fun, difficult, long, short, or whatever you feel like riding that day. Through untamed back roads to well-groomed trails, your gravel bike will take you just about anywhere you want to go. The Niner ORE 9 RDO 4-Star GRX Bike has a suspension-corrected front end and slack geometry and is the gravel rig that will take you beyond roads less traveled. The RDO carbon frame can be upgraded with a 40mm suspension fork on the front for the gnarliest of rides. The frame is tested to MTB ISO standards. It features a T47 threaded BB, UDH derailleur compatibility, dropper post compatibility, top tube and frame bag mounts, 3 water bottle cage mounts on the main triangle, and clearance for up to 700x50mm tires. The 4-Star version of the Niner ORE 9 RDO comes with a Shimano GRX RX820 12-speed drivetrain. With an ultra-wide 10-45T cassette on the rear, you'll have no issues riding long distances or conquering those steeper climbs. Worried about descending a sketchy hill? Shimano GRX RX820 hydraulic disc brakes provide exceptional stopping power so you can descend the steepest terrain under control. DT Swiss G1800 Spline rims are paired with Schwalbe G-One Allround EVO Super Terrain tires that can be set up tubeless for a smoother ride, better traction, and fewer flats. With the Niner full carbon seatpost, you'll have a smoother ride with less vibration compared to an aluminum seatpost. Features RDO carbon fiber frame with a T47 threaded BB, UDH derailleur compatibility, dropper post compatibility, top tube and frame bag mounts, 3 water bottle cage mounts on the main triangle, and clearance for up to 700x50mm tires Shimano GRX RX820 12-speed drivetrain performs exceptionally well in all riding conditions Shimano GRX RX820 hydraulic disc brakes provides confidence-inspiring stopping power Tubeless-ready rims and tires for a smoother ride, better traction, and fewer flats Carbon fiber seatpost helps reduce vibrations for a smoother ride SPECIFICATIONSFrame RDO Carbon Fiber, Internal Cable Routing Fork Niner RDO Carbon Fiber, 12x100 Thru-Axle Headset Niner Integrated, IS42/28. 6|IS52/40Shifters Shimano GRX RX820, 12-Speed Front Derailleur Nope Rear Derailleur Shimano GRX RX822 Shadow Plus, 12-Speed Crankset Shimano GRX RX800 Hollowtech II, 40TBottom Bracket Prestine T47 BB for 24mm Spindle Chain Shimano XT M8100 12-Speed, w/Quick-Link Cassette Shimano SLX, 10-45TBrakes Shimano GRX RX820 Hydraulic Disc, Shimano CL800 160mm Rotors Wheelset DT Swiss G 1800 Spline Alloy Rims, 12x100/12x142mm Hubs Tires Schwalbe G-One Allround Evo Super Terrain, TLE, Addix Speedgrip, 700x45mm Handlebar Niner Gravel Alloy, 16deg Flare Stem Niner RDO Stem Grips/Bar Tape Niner Bar Tape Seatpost Niner Full Carbon Seat Post, 27. 2mm, 400mm Seatclamp Bolt-Type Saddle Niner Custom w/ CRN-TI Rails Intended Use Gravel Note: Components are subject to change without notice. METRICINCHNiner ORESize475053565962A: Seat Tube Length430460490520550580B: Effective Top Tube525556517596611636C: Stack545560579598617636D: Reach369395405413422441E: BB Height-F: BB Drop707070707070G: Head Tube Length90106126146167188H: Head Tube Angle69 deg69 deg69 deg69 deg69 deg69 degI: Seat Tube Angle74 deg74 deg74 deg73 deg73 deg73 degJ: Standover Height693731754780804827K: Chainstay Length435435435435435435L: Wheelbase103410661083109911151142Crank Arm Length170 mm170 mm172. 5 mm172. 5 mm175 mm175 mm Stem Length50 mm50 mm60 mm60 mm70 mm70 mm Handlebar Width420 mm420 mm440 mm440 mm460 mm460 mm Suggested Rider Height Frame Size475053565962Rider Height4'11" - 5'3" 150 - 160 cm5'2" - 5'6" 157 - 168 cm5'5" - 5'9" 165 - 175 cm5'8" - 6'0" 173 - 183 cm5'11" - 6'3" 180 - 191 cm6'2" - 6'6" 188 - 198 cm Size475053565962A: Seat Tube Length16. 918. 119. 320. 521. 722. 8B: Effective Top Tube20. 721. 920. 423. 524. 125. 0C: Stack21. 522. 022. 823. 524. 325. 0D: Reach14. 515. 615. 916. 316. 617. 4E: BB Height-F: BB Drop2. 82. 82. 82. 82. 82. 8G: Head Tube Length3. 54. 25. 05. 76. 67. 4H: Head Tube Angle69. 0 deg69. 0 deg69. 0 deg69. 0 deg69. 0 deg69. 0 degI: Seat Tube Angle74. 0 deg74. 0 deg74. 0 deg73. 0 deg73. 0 deg73. 0 degJ: Standover Height27. 328. 829. 730. 731. 732. 6K: Chainstay Length17. 117. 117. 117. 117. 117. 1L: Wheelbase40. 742. 042. 643. 343. 945. 0Crank Arm Length170 mm170 mm172. 5 mm172. 5 mm175 mm175 mm Stem Length50 mm50 mm60 mm60 mm70 mm70 mm Handlebar Width420 mm420 mm440 mm440 mm460 mm460 mm Suggested Rider Height Frame Size475053565962Rider Height4'11" - 5'3" 150 - 160 cm5'2" - 5'6" 157 - 168 cm5'5" - 5'9" 165 - 175 cm5'8" - 6'0" 173 - 183 cm5'11" - 6'3" 180 - 191 cm6'2" - 6'6" 188 - 198 cm | Niner | Ore 9 Rdo Grx Bike Green 56