Which size or configuration labels have geometry for the 2015 Trek 8.4 DS?

Geometry is listed for S, M, L, XL, and XXL.

What are the reach and stack of the 2015 Trek 8.4 DS in size L?

In size L, reach is 423 mm and stack is 616 mm.

What is the head tube angle of the 2015 Trek 8.4 DS?

The head tube angle is 71.0 degrees in size L.

What does the 2015 Trek 8.4 DS ship with?

The stock build includes Trek Alpha Gold, SR Suntour NEX, Shimano Acera M390, and Bontrager LT2 Comp.

Which years of the Trek 8.4 DS are on Quiver?

Quiver has the Trek 8.4 DS for 2015, 2016, 2014, 2013, and 2012.

2015

2015 Trek 8.4 DS

Reach 410 to 434 mm, stack 595 to 639 mm. The 8.4 DS build comes with Shimano Acera shifting and Bontrager LT2 Comp tires.

Compare geometry

Source: trekbikes.com. Checked Oct 22, 2026.

Key facts

Brand: Trek
Model: 8.4 DS
Model year: 2015
Geometry labels: S, M, L, XL, and XXL
Drivetrain: Shimano Acera
Fork: SR Suntour NEX
Geometry: Complete for every size
Source: trekbikes.com
Checked: Oct 22, 2026

Geometry by size

2015 Trek 8.4 DS geometry by size
Measurement	S	M	L	XL	XXL
Reach(mm)	410	416	423	428	434
Stack(mm)	595	606	616	627	639
Head tube angle(°)	70.0	71.0	71.0	71.5	72.0
Effective top tube(mm)	575	590	605	620	635
Chainstay length(mm)	455	455	455	455	455
Wheelbase(mm)	1091	1095	1105	1110	1112
BB drop(mm)	60	60	60	60	60
BB height(mm)	294	294	294	294	294
Standover(mm)	738	761	791	815	841
Seat tube length(mm)	366	417	467	505	543
Head tube length(mm)	114	124	134	144	154

How to read a geometry chart

Stock build

15 parts

Frame

Trek Alpha Gold

Frame

Suspension

SR Suntour NEX

Fork

Drivetrain

Shifter

Derailleur

Derailleur

Cassette

KMC X9

ChainLinks 114

FSA Dyna Drive

Crankset

Wheels & Tires

Bontrager LT2 Comp

Tire

Formula DC20

Hub

Formula DC22

Hub

Brakes

Tektro M290

Brake

Cockpit

Bontrager Blendr Elite

Stem

Seatpost & Saddle

Bontrager SSR

Seatpost

Bontrager H1

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2015 Trek 8.4 DS?: Geometry is listed for S, M, L, XL, and XXL.
What are the reach and stack of the 2015 Trek 8.4 DS in size L?: In size L, reach is 423 mm and stack is 616 mm.
What is the head tube angle of the 2015 Trek 8.4 DS?: The head tube angle is 71.0 degrees in size L.
What does the 2015 Trek 8.4 DS ship with?: The stock build includes Trek Alpha Gold, SR Suntour NEX, Shimano Acera M390, and Bontrager LT2 Comp.
Which years of the Trek 8.4 DS are on Quiver?: Quiver has the Trek 8.4 DS for 2015, 2016, 2014, 2013, and 2012.