Which size or configuration labels have geometry for the 2013 Trek 8.5 DS?

Geometry is listed for 17.5", 19", 21", and 22.5".

What are the reach and stack of the 2013 Trek 8.5 DS in size 21"?

In size 21", reach is 428 mm and stack is 627 mm.

What is the head tube angle of the 2013 Trek 8.5 DS?

The head tube angle is 71.5 degrees in size 21".

What does the 2013 Trek 8.5 DS ship with?

The stock build includes Trek Alpha Gold, SR Suntour NRX, Shimano Deore, and Shimano RM35.

Which years of the Trek 8.5 DS are on Quiver?

Quiver has the Trek 8.5 DS for 2013, 2016, 2015, 2014, and 2012.

2013

2013 Trek 8.5 DS

Reach 416 to 434 mm, stack 606 to 639 mm. The 8.5 DS build comes with Shimano Deore shifting and Shimano RM35 wheels.

Compare geometry

Source: trekbikes.com. Checked Oct 12, 2026.

Key facts

Brand: Trek
Model: 8.5 DS
Model year: 2013
Geometry labels: 17.5", 19", 21", and 22.5"
Drivetrain: Shimano Deore
Fork: SR Suntour NRX
Wheels: Shimano RM35
Geometry: Complete for every size
Source: trekbikes.com
Checked: Oct 12, 2026

Geometry by size

2013 Trek 8.5 DS geometry by size
Measurement	17.5"	19"	21"	22.5"
Reach(mm)	416	423	428	434
Stack(mm)	606	616	627	639
Head tube angle(°)	71.0	71.0	71.5	72.0
Effective top tube(mm)	590	605	620	635
Chainstay length(mm)	455	455	455	455
Wheelbase(mm)	1095	1105	1110	1112
BB height(mm)	287	287	287	287
Standover(mm)	714	762	797	832
Head tube length(mm)	120	130	140	150

How to read a geometry chart

Stock build

13 parts

Frame

Trek Alpha Gold

Frame

Suspension

SR Suntour NRX

Fork

Drivetrain

Shimano Deore

ShifterSpeeds 9

Shimano Deore

Derailleur

Shimano SLX

DerailleurMaximum cog 51 tMount type standardCassette compatibility ShimanoClutch yesWeight 310 g

Shimano HG20

CassetteSpeeds 9

FSA Dyna Drive

Crankset

Wheels & Tires

Shimano RM35

Wheelset

Bontrager LT3

Tire

Brakes

Shimano Acera M395

Brake

Cockpit

Bontrager SSR

Stem

Seatpost & Saddle

Bontrager SSR

Seatpost

Bontrager Evoke 1

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2013 Trek 8.5 DS?: Geometry is listed for 17.5", 19", 21", and 22.5".
What are the reach and stack of the 2013 Trek 8.5 DS in size 21"?: In size 21", reach is 428 mm and stack is 627 mm.
What is the head tube angle of the 2013 Trek 8.5 DS?: The head tube angle is 71.5 degrees in size 21".
What does the 2013 Trek 8.5 DS ship with?: The stock build includes Trek Alpha Gold, SR Suntour NRX, Shimano Deore, and Shimano RM35.
Which years of the Trek 8.5 DS are on Quiver?: Quiver has the Trek 8.5 DS for 2013, 2016, 2015, 2014, and 2012.