Niner MCR 9 RDO 4-STAR Shimano GRX 800 2x

Name: Niner MCR 9 RDO 4-STAR Shimano GRX 800 2x
Brand: Niner

2024 RoadGravel Manufacturer page

Last known price: $6,649

Prices shown first for United States
Travel: 40 / 50 mm Fork / rear shock
Wheels: 700c
Drivetrain: 2 × 11 32–47t / 11–34t
Gear range: 454%
Frame: Carbon
Brakes: Hydraulic disc

Sizes

Size guide

53cm
56cm
59cm

The manufacturer did not publish rider heights for these sizes.

Components

19 of 21 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

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 Not identified

Suspension

2 parts

Fork
- Fox 32
Rear shock
- X-Fusion

Drivetrain

7 parts

Bottom bracket
- Easton
Cassette
- Shimano CS-HG800-11 11 speeds 11–34t
CS-HG800-11
Chain
- Shimano CN-HG601
CN-HG601
Crankset
- Easton 53/56t
Front derailleur

braze on (removable mount) Not identified
Rear derailleur
- Shimano RD-RX800-GS
RD-RX800-GS
Shifters
- Shimano

Brakes

3 parts

Wheels and tires

2 parts

Cockpit and contact points

6 parts

Sizes and geometry

3 sizes

Rider-height ranges are not published for these sizes.

Size

Geometry not published

The manufacturer lists these sizes without frame measurements, so there is no drawing or geometry table.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon

Suspension

Suspension configuration: Full suspension
Front travel: 40 mm
Rear travel: 50 mm

Drivetrain

Derived by Bikelake

Front chainrings: 2
Smallest chainring: 32
Largest chainring: 47
Rear sprockets: 11
Smallest sprocket: 11
Largest sprocket: 34
Lowest gear: 27.3 in
Highest gear: 123.9 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: PF30
Fork spring: Air
Tire clearance: Maximum tire width: 50c; Additional specification: Wheel kind: 700
Tire width: 45c
Wheel material: Aluminum
Wheel size: 700c

Technical analysis

3 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Lowest gear

27.3 gear inches

This value is within the central range for this class.

Cohort: Road / Gravel Model year: 2024
Sample: 1,716 bicycles with this information
Coverage: 76.6% of the class

Highest gear

123.9 gear inches

This value is within the central range for this class.

Cohort: Road / Gravel Model year: 2024
Sample: 1,716 bicycles with this information
Coverage: 76.6% of the class

Shifting

Mechanical

771 of 2,238 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2024
Sample: 2,238 bicycles with this information
Coverage: 99.9% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 10.5 km/h
Highest gear: 47.5 km/h

Total gear range 454%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 27.3–123.9 gear inches
Class reference (p10–p90): 23.2–131.8 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Gravel Model year: 2024
Lowest gear: 1716 bicycles with this information, 76.6% of the class
Highest gear: 1716 bicycles with this information, 76.6% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2024 builds
Specification	This bicycle Niner MCR 9 RDO 4-STAR Shimano GRX 800 2x	Niner MCR 9 RDO 2-STAR Apex 1	Niner MCR 9 RDO 3-STAR SRAM Rival 1
Drivetrain
Front chainrings	2	1	1
Smallest chainring	32	40	40
Largest chainring	47	40	40
Largest sprocket	34	42	42
Lowest gear	27.3 in	27.6 in	27.6 in
Highest gear	123.9 in	105.5 in	105.5 in
Other specifications
Tire width	45c	40c	45c