Niner WFO 9 RDO 4-STAR Shimano XT

Name: Niner WFO 9 RDO 4-STAR Shimano XT
Brand: Niner

2021 MountainEnduro Manufacturer page

Last known price: $6,950

Prices shown first for United States
Travel: 180 / 170 mm Fork / rear shock
Wheels: 29″
Drivetrain: 1 × 12 32t / 10–51t
Gear range: 510%
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–170
MD 168–179
LG 176–187

Components

19 of 20 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, 170MM TRAVEL, GEO FLIP CHIP, RIB CAGE CONSTRUCTION, FULL SLEEVE CABLE ROUTING, ENDURO MAX BLACK OXIDE PIVOT BEARINGS Not identified

Suspension

2 parts

Drivetrain

7 parts

Bottom bracket
- Race Face
Cassette
- Shimano Deore XT CS-M8100 12 speeds 10–51t
CS-M8100
Chain
- Shimano Deore XT CN-M8100
CN-M8100
Crankset
- Race Face 32t
Front derailleur

None
Rear derailleur
- Shimano Deore XT RD-M8100-SGS 12 speeds
RD-M8100-SGS
Shifters
- Shimano Deore XT SL-M8100
SL-M8100

Brakes

3 parts

Wheels and tires

2 parts

Cockpit and contact points

6 parts

Sizes and geometry

3 sizes

Enter your height to highlight matching ranges.

Size Reported by the manufacturer

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: 180 mm
Rear travel: 170 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 51
Lowest gear: 18.2 in
Highest gear: 92.8 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Fork spring: Air
Tire clearance: Maximum tire width: 2.6″
Tire width: 2.6″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

5 measures

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

Front travel

180 mm

This value is above the central range for this class.

Cohort: Mountain / Enduro Model year: 2021
Sample: 1,011 bicycles with this information
Coverage: 99.0% of the class

Rear travel

170 mm

This value is above the central range for this class.

Cohort: Mountain / Enduro Model year: 2021
Sample: 839 bicycles with this information
Coverage: 82.1% of the class

Lowest gear

18.2 gear inches

This value is within the central range for this class.

Cohort: Mountain / Enduro Model year: 2021
Sample: 892 bicycles with this information
Coverage: 87.3% of the class

Highest gear

92.8 gear inches

This value is within the central range for this class.

Cohort: Mountain / Enduro Model year: 2021
Sample: 892 bicycles with this information
Coverage: 87.3% of the class

Shifting

Mechanical

65 of 1,021 bicycles with this information use electronic shifting.

Cohort: Mountain / Enduro Model year: 2021
Sample: 1,021 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.0 km/h
Highest gear: 35.5 km/h

Total gear range 510%

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: 18.2–92.8 gear inches
Class reference (p10–p90): 16.9–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Enduro Model year: 2021
Lowest gear: 892 bicycles with this information, 87.3% of the class
Highest gear: 892 bicycles with this information, 87.3% 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 2021 builds

Differences across 2021 builds
Specification	This bicycle Niner WFO 9 RDO 4-STAR Shimano XT	Niner WFO 9 RDO 2-STAR SRAM SX Eagle	Niner WFO 9 RDO 3-STAR SRAM GX Eagle	Niner WFO 9 RDO 5-STAR SRAM X01 Eagle	Niner WFO 9 RDO 5-STAR LTD SRAM X01 Eagle AXS
Drivetrain
Smallest chainring	32	32	32	32	Not informed
Largest chainring	32	32	32	32	Not informed
Smallest sprocket	10	11	10	10	10
Largest sprocket	51	50	52	50	52
Lowest gear	18.2 in	18.6 in	17.9 in	18.6 in	Not informed
Highest gear	92.8 in	84.4 in	92.8 in	92.8 in	Not informed
Cockpit
Shifting	Mechanical	Mechanical	Mechanical	Mechanical	Electronic
Other specifications
Tire clearance	Maximum tire width: 2.6″	Maximum tire width: 2.6″	Maximum tire width: 2.6″	Not informed	Maximum tire width: 2.6″
Wheel material	Aluminum	Aluminum	Aluminum	Carbon	Carbon