HybridE-bikeVerified spec
2021 Trek Allant+ 9.9S
Launched at $6,000
Own a 2021 Trek Allant+ 9.9S?
Track its value in your garage, or list it for sale locally in a few taps.
What a used one is worth
Open the value toolNew
$3,353
$2,165 to $4,039
Like new
$3,185
$2,057 to $3,838
Excellent
$3,017
$1,949 to $3,636
Good
$2,515
$1,624 to $3,030
Fair
$1,844
$1,191 to $2,222
For parts
$1,006
$650 to $1,212
From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.
Overview
- Brand
- Trek
- Model family
- Allant+
- Model year
- 2021
- Category
- Hybrid · commuter
- Frame material
- carbon
- Sizes
- M, L, XL
- Wheel size
- 27.5
- Launch MSRP (US)
- $6,000
Drivetrain
- Speeds
- 12
- Groupset
- Shimano Deore XT
- Electronic
- false
Build
- Fork
- Allant Carbon fork, post mount disc, 100x15mm thru-axle
- Stem
- Allant+ forged alloy, 31.8mm, integrated cable routing
- Tires
- Bontrager E6 Hard-Case Lite, reflective, wire bead, 60tpi, 27.5x2.4"
- Brakes
- Shimano MT520 4-piston hydraulic disc, post-mount, 180mm rotor
- Saddle
- Bontrager Commuter Comp, 165mm width
- Wheels
- Alex MD35, Tubeless Ready, 32-hole, 35mm width, presta valve
- Cassette
- Shimano SLX M7100, 10-45T, 12 speed
- Crankset
- ProWheel 46T narrow/wide steel, w/alloy guard
- Seatpost
- Bontrager Comp, 6061 alloy, 31.6mm, 8mm offset
- Shifters
- Shimano XT M8100, 12 speed
- Handlebar
- Bontrager Satellite Plus IsoZone, alloy, 31.8mm, 15mm rise
- Weight kg
- 23.36
- Rear derailleur
- Shimano XT M8120, long cage, Shadow Plus design
Motor and battery
- Motor
- Bosch Performance Speed (28 mph), 250Watt, 75Nm
- Assist mph
- 28
- Battery wh
- 625
Geometry
- L
- Reach mm: 412; Stack mm: 633; Chainstay mm: 470; Wheelbase mm: 1134; Head angle deg: 70; Seat angle deg: 73
- M
- Reach mm: 408; Stack mm: 607; Chainstay mm: 470; Wheelbase mm: 1127; Head angle deg: 69.5; Seat angle deg: 73
- XL
- Reach mm: 415; Stack mm: 663; Chainstay mm: 470; Wheelbase mm: 1143; Head angle deg: 70.5; Seat angle deg: 73
Sold across model years 2020-2021 under one product code. Price as shown on Trek's US site, 2020-09 capture.
For sale now
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Other Allant+ builds and years
- 2025 Allant+ 7 Gen 2$3,000
- 2025 Allant+ 7 Lowstep Gen 2$3,000
- 2025 Allant+ 7S Gen 2$3,500
- 2025 Allant+ 7S Midstep Gen 2$3,500
- 2024 Allant+ 7 Gen 2
- 2024 Allant+ 7 Lowstep Gen 2
- 2024 Allant+ 7S Gen 2
- 2024 Allant+ 7S Midstep Gen 2
- 2023 Allant+ 7$3,750
- 2023 Allant+ 7 Lowstep$3,750
- 2023 Allant+ 7S$4,050
- 2023 Allant+ 7S Stagger$4,050
- 2023 Allant+ 8S$4,450
- 2023 Allant+ 8S Stagger$4,450
- 2022 Allant+ 7$3,700
- 2022 Allant+ 7 Lowstep$3,700
- 2022 Allant+ 7S$4,000
- 2022 Allant+ 7S Stagger$4,000
- 2022 Allant+ 8S$4,400
- 2022 Allant+ 8S Stagger$4,400
- 2022 Allant+ 9.9S
- 2022 Allant+ 9.9S Stagger
- 2021 Allant+ 7$3,600
- 2021 Allant+ 7 Lowstep$3,600
- 2021 Allant+ 7S$3,900
- 2021 Allant+ 7S Stagger$3,900
- 2021 Allant+ 8$4,000
- 2021 Allant+ 8 Stagger$4,000
- 2021 Allant+ 8S$4,300
- 2021 Allant+ 8S Stagger$4,300
- 2021 Allant+ 9.9S Stagger$6,000
- 2020 Allant+ 7
- 2020 Allant+ 7 Lowstep
- 2020 Allant+ 7S
- 2020 Allant+ 7S Stagger
- 2020 Allant+ 8$4,000
- 2020 Allant+ 8 Stagger$4,000
- 2020 Allant+ 8S$4,300
- 2020 Allant+ 8S Stagger$4,300
- 2020 Allant+ 9.9S$6,000
- 2020 Allant+ 9.9S Stagger$6,000