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2021 Large SKU: BMT22886

Niner WFO E9 3-Star Mountain E-Bike - 2021, Large

Regular price

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TPC Guarantee

Every bike receives our white glove, Certified Pre-Owned treatment, including a full pro-tune by our Master Mechanics in Louisville, CO. All CPO bikes are pristine and rolling beautifully before we pack and ship to your door.

- New WTB Silverado Steel saddle.

Master Mechanic's Notes
- Moderate scratches on the top tube.
- Light scratches on the non-drive side chainstay.

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141-Point Inspection

This bike passed our 141-point inspection to qualify to be a Certified Pre-Owned bike. It's free of structural damage and is in excellent cosmetic shape.

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30-Day Hassle-Free Returns

Shop with confidence. Every bike is covered by our 30-day satisfaction guarantee. If this bike isn’t perfect for you, get in touch and we’ll help you find the right bike.

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RideFast Shipping

Assemble your bike in 15 minutes or less! Our bikes ship in our RideFast box for speed and safety. All tools you need to assemble are included.

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Year 2021
Brand Niner
Model WFO E9 3-Star
Size Large
Frame Material Aluminum
Drivetrain SRAM, 1x12 spd
Weight 57 lbs 3 oz
Fork RockShox ZEB R
Fork Travel 180mm
Rear Shock FOX VAN Coil LSC 205x65mm Trunnion Coil: 500x2.80
Rear Shock Travel 180mm
Brakes SRAM Guide RE, Disc Brakes - Hydraulic
Shifters SRAM SX Eagle, Mechanical
Rear Derailleur SRAM SX Eagle
Bottom Bracket Shell N/A
Crankset Praxis Works Bosch G4, 36t, 165mm
Cassette SRAM PG-1210, 11-50t
Chain Shimano
Handlebar Race Face Aeffect R Alloy, 770mm
Headset Niner
Stem Race Face Aeffect R Alloy, 35.0mm x 40mm, 0°
Seatpost KS LEV Si, 30.9mm
Seatpost Travel 150mm
Saddle WTB Silverado
Front Axle Spacing 15x110mm (Thru-Axle)
Rear Axle Spacing 12x148mm Boost
Wheelset Stan's NoTubes Flow D Disc Aluminum Tubeless Compatible, Alloy
Front Tire Schwalbe Eddy Current, 29" x 2.6"
Rear Tire Schwalbe Eddy Current, 29" x 2.6"
Tire Type Clincher
Tubeless Compatibility Wheels are tubeless compatible
Motor Bosch Gen4 Performance Line CX
Wattage 250w
Battery Bosch Powertube 625WH
Top Speed 20 mph
Mileage 16
Key Included Yes
Charger Included Yes


Recommended Rider Height 5'10" - 6'2"
a. Effective Top Tube 621mm, 623mm (High, Low)
b. Seat Tube 483 mm
c. Seat Tube Angle 76.5, 76 (High, Low)
d. Head Tube Angle 64, 63.5 (High, Low)
e. Head Tube 115 mm
f. Stack 631mm, 635mm (High, Low)
g. Reach 470mm, 465mm (High, Low)
h. Standover Height 788mm, 782mm (High, Low)
i. Saddle Height Range 680 - 790 mm

“I love this company! My beautiful bike arrived promptly, was packed brilliantly, and tuned perfectly. It was exactly as described.”

— Kari K.


“In the past month, I purchased a road bike and MTB from TPC. Very happy with the price and condition of both bikes! I was riding the bikes 10 minutes after I received them.”

— David H.

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