Niner
Niner

Niner MCR RDO 4-Star 2x Bike 2021

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Item #: BI002605
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Niner MCR RDO 4-Star Bike 2021

A Magic Carpet Ride

Yes, your eyes aren’t deceiving you, that’s a full suspension gravel bike. Niner has spent the last few years optimizing their class leading CVA suspension platform for small high-frequency impacts. The result? A suspension platform perfectly tuned for modern gravel riding. With a full suspension platform you’ll be more confident while descending, more comfortable on bumpier sections, and have increased traction on the climbs. When the dirt turns to pavement you can easily lock out the suspension with a push of a button, effectively turning the MCR into a rigid gravel bike. An integrated rear fender keeps mud and grime off of and out of the rear shock, increasing the longevity of the rear shock. The lightweight Niner RDO carbon fiber frame keeps the bike feeling lightweight and agile while putting the power down. Tire clearance for up to 700x50c or 650bx2.0” tires means you can run your favorite tire combination. 11 fixed mounting points let you bring just about any bag or bottle combination under the sun. Fully integrated internal dropper post support gives you the option to get extra rowdy on the descents and technical singletrack.

For the 4-Star build Niner decided to go with the fan favorite Shimano GRX800 2x11-speed for the drivetrain and brakes. The GRX800 drivetrain offers a reliable and crisp shifting with a wide range of gears to help you tackle the toughest climbs and the steepest descents. Paired up with the GRX800 drivetrain are the ultra lightweight and incredibly stiff Easton EC90 carbon cranks. GRX800 hydraulic brakes stop on a dime, are consistently powerful while also offering excellent modulation, and are easy to bleed. Suspension up front is handled by the ever popular FOX 32 SC AX Performance Elite fork in a 40mm travel configuration paired with the very tuneable FIT4 damper. The FIT4 damper eliminates small bumps and washboard chatter. Suspension out back is a X-Fusion Microlite which has been tuned to deal with high frequency bumps while also providing maximum comfort and traction over long distances. Tubeless ready DT Swiss G1800 Spline 25’s are lightweight, accelerate quickly, and provide a great platform for wider tires. Paired with the DT Swiss wheels are a set of Schwalbe G-One Allround Evo tires in 700x38c, these tires strike the perfect balance of speed, suppleness, and grip making them the perfect multi surface tire. As for the finishing kit it’s handled by both Niner and Easton.

Features

  • CVA Suspension platform has been optimized for gravel riding
  • FOX 32 SC AX fork and the X-Fusion Microlite rear shock increase comfort, improve traction, and inspire confidence on the descents
  • Shimano 2x11-speed GRX800 drivetrain is efficient, extremely reliable, and provides plenty of gearing
  • GRX800 hydraulic brakes offer plenty of modulation and stopping power
  • Lightweight RDO carbon frame is lightweight and agile
  • 11 frame mounting points for all of your bag and bottle accessories
  • Tubeless DT Swiss G1800 wheels are lightweight and built for wider tires
SPECIFICATIONS
Frame Niner RDO Carbon Fiber, 50mm X-Fusion Microlite CVA Suspension, Flat Mount
Fork Fox 32 SC Float AX Performance Elite Evol FIT4, 40mm, 15x100mm, 44mm Offset
Headset Niner Integrated SHIS, IS42/IS52
Shifters Shimano GRX800a
Front Derailleur Shimano Ultegra R8000
Rear Derailleur Shimano Ultegra R8000
Crankset Easton EC90 Carbon 47x32T
Bottom Bracket Easton PF30
Chain Shimano HG 601 11-Speed
Cassette Shimano Ultegra HG800 11-Speed 11-34T
Brakes Shimano GRX800, Shimano RT800 160mm Front And Rear
Wheelset DT Swiss G 1800 Spline 25 Centerlock
Tires Schwalbe G-One Allround EVO Super Terrain, TLE, Addix Speedgrip, 700x38c
Handlebar Easton EA50 AX
Stem Niner RDO
Grips/Bar Tape Niner Bar Tape
Seatpost Niner RDO Carbon, 400mm
Seatclamp  
Saddle Niner Custom, CRN-TI rails, Niner Graphic
Intended Use Adventure, Gravel

Note: Components are subject to change without notice.

Geo Chart Image

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Niner MCR 9 RDO
Size 53cm 56cm 59cm
A: Seat Tube Length 490 520 550
B: Effective Top Tube 545 571 595
C: Stack 575 597 618
D: Reach 382 394 409
E: BB Height - - -
F: BB Drop 62 62 62
G: Head Tube Length 133 153 173
H: Head Tube Angle 71 ° 71.5 ° 72 °
I: Seat Tube Angle 73.8 ° 73.5 ° 73.3 °
J: Standover Height 764 789 816
K: Chainstay Length 440 440 440
L: Wheelbase 1041 1055 1072
Suggested Rider Height
Frame Size 53cm 56cm 59cm
Rider Height 5'5" - 5'9"
165 - 175 cm		 5'8" - 6'0"
173 - 183 cm		 5'11" - 6'3"
180 - 191 cm
Niner MCR 9 RDO
Size 53cm 56cm 59cm
A: Seat Tube Length 19.3 20.5 21.7
B: Effective Top Tube 21.5 22.5 23.4
C: Stack 22.6 23.5 24.3
D: Reach 15.0 15.5 16.1
E: BB Height - - -
F: BB Drop 2.4 2.4 2.4
G: Head Tube Length 5.2 6.0 6.8
H: Head Tube Angle 71.0 ° 71.5 ° 72.0 °
I: Seat Tube Angle 73.8 ° 73.5 ° 73.3 °
J: Standover Height 30.1 31.1 32.1
K: Chainstay Length 17.3 17.3 17.3
L: Wheelbase 41.0 41.5 42.2
Suggested Rider Height
Frame Size 53cm 56cm 59cm
Rider Height 5'5" - 5'9"
165 - 175 cm		 5'8" - 6'0"
173 - 183 cm		 5'11" - 6'3"
180 - 191 cm

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CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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