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2021 X-Large SKU: BRD23337

Trek Allant+ 9.9S Fitness E-Bike - 2021, X-Large

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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.

Master Mechanic's Notes
- Light scratch on non-drive side of rear fender.
- Light scuff on drive side crankarm.

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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 Trek
Model Allant+ 9.9S
Size X-Large
Frame Material Carbon Fiber
Drivetrain Shimano, 1x12 spd
Weight 50 lbs 0 oz
Fork Allant, Carbon
Brakes Shimano MT520, Disc Brakes - Hydraulic
Shifters Shimano XT M8100, Mechanical
Rear Derailleur Shimano XT M8120
Bottom Bracket Shell N/A
Crankset ProWheel Alloy, 46t, 175mm
Cassette Shimano SLX M7100, 10-45t
Chain Shimano
Handlebar Bontrager Satellite Plus IsoZone Alloy, 660mm
Headset Integrated
Stem Allant+ Alloy, 31.8mm x 115mm, 8°
Seatpost Bontrager Comp Alloy, 31.6mm
Saddle Specialized Power
Front Axle Spacing 15x100mm (Thru-Axle)
Rear Axle Spacing 12x142mm
Wheelset Alexrims MD35 Aluminum Tubeless Ready , Shimano XT M8110
Front Tire Bontrager E6 Hard-Case Lite Reflective, 27.5" x 2.4"
Rear Tire Bontrager E6 Hard-Case Lite Reflective, 27.5" x 2.4"
Tire Type Clincher
Tubeless Compatibility Wheels are tubeless compatible but ships with tubes installed
Motor Bosch Performance Speed
Torque 75Nm
Wattage 350w
Battery Bosch PowerTube 625
Top Speed 28mph
Mileage Unknown
Key Included Yes
Charger Included Yes


Recommended Rider Height 6'1.2" - 6'5.6"
a. Effective Top Tube 618 mm
b. Seat Tube 600 mm
c. Seat Tube Angle 73°
d. Head Tube Angle 70.5°
e. Head Tube 205 mm
f. Stack 663 mm
g. Reach 415 mm
h. Standover Height 865 mm
i. Saddle Height Range N/A

“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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