Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Niner
2021 Niner RKT 9 RDO 4-Star
Previous used estimate
$2,178 - $2,241
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 Niner RKT 9 RDO 4-Star
12-month projected trend
11%
Direction and magnitude, not judgment
vs. category average
7%
Drops faster than category avg
Price over time - 2021 Niner RKT 9 RDO 4-Star
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All RKT model years
Compare RKT 9 RDO 4-Star models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
This RKT 9 RDO is more versatile with a stout 120mm suspension fork and slightly slacker geometry. It's a pedal friendly bike that's not afraid to get rowdy. With 90mm of efficient CVA rear suspension, you'll be quickest to the top of the climbs, yet pay no penalty going down. This 4-Star Shimano XT 12-speed RKT 9 RDO is dressed for success with a proven Shimano XT drivetrain and DT Swiss XR1700 Spline 25 wheels. No excuses—get out and ride! - DT Swiss XR 1700 SPLINE 25 wheels - FOX Float Factory suspension with Kashima coat - Shimano XT 2-piston "race" brakes
Specifications
- Subtype
- Cross Country
- Category
- Mountain
- Component Fork
- Fox 34 SC Float Factory EVOL Fit4, 3 Position w/Adj, Kashima Coat, 120mm, 110x15mm, 44mm Offset
- Component Size
- X-Small, Small, Medium, Large, X-Large
- Component Stem
- Niner RDO Stem, Niner Graphic
- Product Family
- RKT
- Component Chain
- Shimano XT M8100 w/Quicklink
- Component Color
- Grey/Orange, Satin Carbon/Magnetic Grey
- Component Frame
- Niner RDO Carbon Fiber, 90mm CVA Suspension, Aluminum Rocker Links, Enduro Max Pivot Bearings
- Component Brakes
- Shimano XT M8100, Metal Pad w/Fin
- Component Pedals
- Sold separately
- Component Rotors
- 180/160 MT800 Rotors
- Component Saddle
- Niner Custom Tr With CrN-Ti Rails, Embossed Niner Graphic
- Component Headset
- Niner Integrated SHIS Description IS42/28.6|IS52/40
- Component Crankset
- Raceface NEXT R Carbon 12sp, 32T
- Component Seatpost
- Niner RDO Seat Post, 370mm, Niner Graphic
- Component Shifters
- Shimano XT M8100 12sp I-Spec EV
- Component Handlebar
- Niner Flat Top RDO, 780mm, Niner Graphic
- Component Wheel Set
- Front: DT Swiss XR 1700 Spline 25, Center Lock, 110x15mm Rear: DT Swiss XR 1700 Spline 25, Center Lock, 148x12mm
- Component Front Tire
- Front: Schwalbe Racing Ray EVO Super Terrain TLE Addix Speedgrip 2.35" Rear: Schwalbe Racing Ralph EVO Super Terrain TLE Addix Speed 2.35"
- Component Rear Shock
- Fox Float DPS Factory EVOL 3 Position w/Adjust, Kashima Coat
- Component Tape Grips
- Niner Grrrips L/O Nylon Soft Compound
- Component Brake Levers
- Shimano XT M8100
- Component Bottom Bracket
- Raceface PF30
- Component Rear Derailleur
- Shimano XT M8100 SGS 12sp
- Component Accessories Extras
- Stans No Tubes Sealant (2 x 2oz Bottles)
- Component Cassette Freewheel
- Shimano XT M8100 12sp, 10-51T
- Rear Shock
- Fox Float DPS Factory EVOL 3 Position w/Adjust, Kashima Coat
- Crankset
- Raceface NEXT R Carbon 12sp, 32T
- Pedals
- Sold separately
- Bottom Bracket
- Raceface PF30
- Chain
- Shimano XT M8100 w/Quicklink
- Seatpost
- Niner RDO Seat Post, 370mm, Niner Graphic
- Saddle
- Niner Custom Tr With CrN-Ti Rails, Embossed Niner Graphic
- Handlebar
- Niner Flat Top RDO, 780mm, Niner Graphic
- Headset
- Niner Integrated SHIS Description IS42/28.6|IS52/40
- Rear Derailleur
- Shimano XT M8100 SGS 12sp
- Stem
- Niner RDO Stem, Niner Graphic
- Accessories & Extras
- Stans No Tubes Sealant (2 x 2oz Bottles)
- Brake Levers
- Shimano XT M8100
- Brakes
- Shimano XT M8100, Metal Pad w/Fin
- Fork
- Fox 34 SC Float Factory EVOL Fit4, 3 Position w/Adj, Kashima Coat, 120mm, 110x15mm, 44mm Offset
- Frame
- Niner RDO Carbon Fiber, 90mm CVA Suspension, Aluminum Rocker Links, Enduro Max Pivot Bearings
- Shifters
- Shimano XT M8100 12sp I-Spec EV
- Tape/Grips
- Niner Grrrips L/O Nylon Soft Compound
- Color
- Satin Carbon/Magnetic Grey
- Size
- X-Large
- Cassette/Freewheel
- Shimano XT M8100 12sp, 10-51T
- Rotors
- 180/160 MT800 Rotors
- Wheel Set
- Front: DT Swiss XR 1700 Spline 25, Center Lock, 110x15mm Rear: DT Swiss XR 1700 Spline 25, Center Lock, 148x12mm
- Front Tire
- Front: Schwalbe Racing Ray EVO Super Terrain TLE Addix Speedgrip 2.35" Rear: Schwalbe Racing Ralph EVO Super Terrain TLE Addix Speed 2.35"
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Suspension service
Confirm fork and rear shock service intervals and check pivot bearings for play.