Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Niner
2021 Niner WFO e9 3-Star
Previous used estimate
$2,468 - $2,539
Actual value depends on condition, size, and local demand.
Value Guide market data · 2021 Niner WFO e9 3-Star
12-month projected trend
13%
Direction and magnitude, not judgment
vs. category average
4%
Drops faster than category avg
Price over time - 2021 Niner WFO e9 3-Star
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All WFO model years
Overview
About this bike
Your access to the rowdiest terrain, steep backcountry lines, and local chunder just got a lot better. With aggressive geometry, 180mm suspension travel, a coil spring, and Bosch Gen 4 drive system, the WFO e9 is ready to punch your ticket to the top of any trail and capably carve its way down, no matter how gnarly. Durable, trail-ready parts round out the USA-spec WFO e9 parts kit. With RockShox suspension, SRAM drive train, and SRAM brakes, it's ready for heavy-duty and trouble-free trail rides. - RockShox Super Deluxe Coil Select R rear shock - SRAM Guide RE Brakes and 200mm rotors - SRAM SX Eagle drivetrain
Specifications
- Subtype
- Electric Mountain
- Category
- E-Bike
- Component Fork
- Rockshox Yari RC 180mm
- Component Size
- Small, Medium, Large
- Component Stem
- Race Face Aeffect R, 35mm Clamp
- Product Family
- WFO
- Component Chain
- SRAM SX Eagle 12sp
- Component Color
- Magnetic Grey/Orange Camo
- Component Frame
- Niner WFO E9 180mm Travel
- Component Motor
- Bosch Gen4 Performance Line CX 20mph
- Component Brakes
- SRAM Guide RE
- Component Pedals
- Sold separately
- Component Rotors
- SRAM Centerline 200mm Center Lock
- Component Saddle
- Niner Custom TR With Cr-Mo Rails, Printed Niner Graphic
- Component Battery
- Bosch Powertube 625Wh
- Component Headset
- Niner Internal ZS SHIS Description ZS44/28.6 | ZS56/40
- Component Crankset
- Praxis Bosch G4 ISIS 165mm with SRAM DM Eagle Ring 36T
- Component Seatpost
- KS LEV Si (S-100mm, MD-125mm, LG-150mm)
- Component Shifters
- SRAM SX Eagle 12sp
- Component Handlebar
- Race Face Aeffect R 780mm Wide, 20mm Rise, 35mm Clamp
- Component Wheel Set
- Front: Stans NoTubes Flow D 29, Formula CL-811 Hub 110x15mm Rear: Stans NoTubes Flow D 27.5, Formula ECT-148S Hub 148x12mm
- Component Front Tire
- Front: Maxxis Minion DHF 3C/EXO/TR 29 x 2.5" WT Rear: Maxxis DHF 2C/EXO/TR 27.5 x 2.8" WT
- Component Rear Shock
- Rockshox Super Deluxe Coil Select R 205x65mm Trunnion (S-350lb, M-400lb, L-450lb)
- Component Tape Grips
- Niner Grrrips L/O Nylon Flanged
- Component Brake Levers
- SRAM Guide RE
- Component Rear Derailleur
- SRAM SX Eagle 12sp
- Component Cassette Freewheel
- SRAM PG1210 Eagle 11-50T
- Component Controller Display
- Bosch Purion
- Rear Shock
- Rockshox Super Deluxe Coil Select R 205x65mm Trunnion (S-350lb, M-400lb, L-450lb)
- Crankset
- Praxis Bosch G4 ISIS 165mm with SRAM DM Eagle Ring 36T
- Pedals
- Sold separately
- Chain
- SRAM SX Eagle 12sp
- Seatpost
- KS LEV Si (S-100mm, MD-125mm, LG-150mm)
- Saddle
- Niner Custom TR With Cr-Mo Rails, Printed Niner Graphic
- Handlebar
- Race Face Aeffect R 780mm Wide, 20mm Rise, 35mm Clamp
- Headset
- Niner Internal ZS SHIS Description ZS44/28.6 | ZS56/40
- Rear Derailleur
- SRAM SX Eagle 12sp
- Stem
- Race Face Aeffect R, 35mm Clamp
- Brake Levers
- SRAM Guide RE
- Brakes
- SRAM Guide RE
- Fork
- Rockshox Yari RC 180mm
- Frame
- Niner WFO E9 180mm Travel
- Shifters
- SRAM SX Eagle 12sp
- Tape/Grips
- Niner Grrrips L/O Nylon Flanged
- Motor
- Bosch Gen4 Performance Line CX 20mph
- Battery
- Bosch Powertube 625Wh
- Color
- Magnetic Grey/Orange Camo
- Size
- Large
- Cassette/Freewheel
- SRAM PG1210 Eagle 11-50T
- Controller/Display
- Bosch Purion
- Rotors
- SRAM Centerline 200mm Center Lock
- Wheel Set
- Front: Stans NoTubes Flow D 29, Formula CL-811 Hub 110x15mm Rear: Stans NoTubes Flow D 27.5, Formula ECT-148S Hub 148x12mm
- Front Tire
- Front: Maxxis Minion DHF 3C/EXO/TR 29 x 2.5" WT Rear: Maxxis DHF 2C/EXO/TR 27.5 x 2.8" WT
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
Battery health
Request battery cycle count, capacity diagnostics, and motor service records.