2020 Niner

MCR 9 RDO - 2-STAR SHIMANO GRX 400

A carbon frame gravel bike with mid-range components and hydraulic disc brakes.
Compare the full range

MSRP$4,700
Weight26.8 lbs  
FrameCarbon
SuspensionFull, 50 / 40mm
ForkFox Performance Elite 32 AX
ShockX-Fusion
Wheels700c Aluminum
Drivetrain2 × 10
GroupsetGRX 400, Tiagra
BrakesHydraulic Disc
Top Comparison
Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

39 mph

MCR 9 RDO - 2-STAR SHIMANO GRX 400

36 mph

Similar Bikes

Highest gear

(descending)

Reviews
Cycling Tips
Niner MCR 9 RDO bike review: Does full suspension make sense for gravel? - CyclingTips

Apr 2020 · James Huang

The Niner MCR 9 RDO is a distinct outlier in the world of gravel bikes, a full-suspension heavyweight bruiser in a field of pared-down welterweights. To be completely honest, I went into Field Test fully expecting not to like it for all the reasons you’d expect on paper: it’s too heavy, it’s too complicated, it […]

Highs
  • Superb rider comfort, tangible boost in tire traction, good pedaling efficiency.

Lows
  • Very heavy, weird handling, ungainly aesthetics, suspension maintenance.

Read Review

Road Bike Action
Bike Test: Niner MCR

Apr 2020 · Troy Templin

The MCR merely represents a new level of evolutionary technology being brought to the table. It makes no bones about its adventure-seeking DNA. No, it’s not the bike we would choose for Dirty Kanza. Is it a bike for everyone? No. Is it a bike that anyone can enjoy given their own desired ride experience? Yes.

Read Review

Bikerumor
Review: Niner MCR 9 RDO full suspension gravel bike shreds rocks and roads

Nov 2019

Everything you want to know about the Niner MCR 9 RDO gravel bike, from how the suspension works to how it handles to a complete video overview w/ Slo Mo!

Read Review

BIKEPACKING.com
Niner MCR 9 RDO Full-Suspension Gravel Bike

Apr 2019 · Logan Watts

We checked out Niner's MCR 9 RDO full-suspension gravel bike at Sea Otter Classic last weekend. Here's an overview of everything we know about it...

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
Frame

NINER RDO CARBON FIBER: 50MM CVA SUSPENSION; FORGED ALLOY LINKS; ENDURO MAX PIVOT BEARINGS; INTERNAL CABLE ROUTING; INTEGRATED FENDER; BOTTLE, BAG, AND RACK MOUNTS; FLAT MOUNT; 12X142 THRU AXLE

BB StandardPF30, 68mm, Press Fit

Tire Clearance50c

Fork

FOX 32 SC FLOAT AX PERFORMANCE ELITE EVOL FIT4, 40MM, 100X15MM, 44MM OFFSET

Travel40mm

Spring TypeAir

Shock

X-FUSION MICROLITE RL W/ REMOTE LOCKOUT

Travel50mm

Spring TypeAir

Bottom Bracket

68MM PF30 BB SHELL (ADAPTORS REQUIRED FOR BSA TYPE BBs)

Headset

NINER INTEGRATED SHIS DESCRIPTION IS42/28.6|IS52/40

Stem

NINER RDO STEM, NINER GRAPHIC

Handlebar

EASTON EA50 AX

Saddle

NINER CUSTOM WITH CHRO-MO RAILS, EMBOSSED NINER GRAPHIC

Seatpost

NINER CARBON SEAT POST, 400MM, NINER GRAPHIC

TypeRigid

Grips

NINER BAR TAPE

Groupset
Rear Derailleur

SHIMANO GRX400 10SP

Front Derailleur

SHIMANO TIAGRA 4700

Crank

SHIMANO TIAGRA RS400 50X34T

Shifters

SHIMANO GRX400 10SP

Cassette

SHIMANO HG500 11-34

Chain

SHIMANO HG54 10SP

Brakes

SHIMANO GRX400

TypeHydraulic Disc

Brake Levers

SHIMANO GRX400

Wheels
Rims

Front: NINER CX ALLOY, CL 100 X15MM FRONT, NINER GRAPHIC, Rear: NINER CX ALLOY, CL 142X12MM REAR, NINER GRAPHIC

Tires

Front: SCHWALBE G-ONE PERFORMANCE, FOLDING, 700 X 40, Rear: SCHWALBE G-ONE PERFORMANCE, FOLDING, 700 X 40

Disc Rotors

SHIMANO RT54 160/160MM CL ROTORS

Rider Notes
Riders Also Viewed

Last updated February 21
Not listed for 1,513 days