Quiver

Trek2021

2021 Trek Dual Sport

Reach 410 to 434 mm, stack 595 to 639 mm. The Dual Sport 1 build comes with Shimano Tourney TY51 shifting and Bontrager GR1 Comp tires.

Source: trekbikes.com. Checked .

Key facts

Brand
Trek
Model year
2021
Geometry labels
S, M, L, and XL
Drivetrain
Varies by build
Geometry
Complete for every size
Source
trekbikes.com
Checked

Geometry by size

2021 Trek Dual Sport geometry by size
MeasurementSMLXL
Reach(mm)410416423434
Stack(mm)595606616639
Head tube angle(°)70.071.071.072.0
Effective top tube(mm)575590605635
Chainstay length(mm)460460460460
Wheelbase(mm)1096110011051110
BB drop(mm)60606060
BB height(mm)294294294294
Standover(mm)667765808850
Seat tube length(mm)381445508571
Head tube length(mm)115125135155

Stock build

Dual Sport 113 parts

Frame

Trek Alpha Gold
Frame

Suspension

Drivetrain

Chain
Bottom bracket

Wheels & Tires

Bontrager Connection
Rim

Brakes

BrakeFrom the manufacturer: Piston count 2

Keep your Dual Sport 1 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Dual Sport 214 parts

Frame

Trek Alpha Gold
Frame

Suspension

Drivetrain

Shimano Tourney TY710
Derailleur
Shimano Acera M360
Derailleur
ChainFrom the manufacturer: Speeds 8
Bottom bracket

Wheels & Tires

Bontrager Connection
Rim

Brakes

Tektro HD-M275
BrakeFrom the manufacturer: Brake type Hydraulic Disc

Keep your Dual Sport 2 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Dual Sport 316 parts

Frame

Trek Alpha Gold
Frame

Suspension

Drivetrain

Derailleur
KMC X9
ChainFrom the manufacturer: Links 114
Shimano MT210
Crankset
Shimano SM-BB52
Bottom bracket

Wheels & Tires

Brakes

Shimano MT200
BrakeFrom the manufacturer: Caliper mount Post Mount

Cockpit

Seatpost & Saddle

Keep your Dual Sport 3 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Manufacturer

Quick answers

Which size or configuration labels have geometry for the 2021 Trek Dual Sport?
Geometry is listed for S, M, L, and XL.
What are the reach and stack of the 2021 Trek Dual Sport in size L?
In size L, reach is 423 mm and stack is 616 mm.
What is the head tube angle of the 2021 Trek Dual Sport?
The head tube angle is 71.0 degrees in size L.
What does the 2021 Trek Dual Sport 1 ship with?
The stock build includes Trek Alpha Gold, SR Suntour NEX, Shimano Altus EF500, and Bontrager GR1 Comp.
Which years of the Trek Dual Sport are on Quiver?
Quiver has the Trek Dual Sport for 2021, 2025, 2024, 2022, 2020, and 2019.

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet

Quiver keeps track of the bikes you own.

Free on App StoreFree on Google Play