Which size or configuration labels have geometry for the 2015 Trek 1.1?

Geometry is listed for 47, 50, 52, 54, 56, 58, 60, and 62.

What are the reach and stack of the 2015 Trek 1.1 in size 56?

In size 56, reach is 387 mm and stack is 577 mm.

What is the head tube angle of the 2015 Trek 1.1?

The head tube angle is 73.5 degrees in size 56.

What does the 2015 Trek 1.1 ship with?

The stock build includes Trek Alpha, Shimano Claris, Bontrager T1, and Bontrager VR-C.

Which years of the Trek 1.1 are on Quiver?

Quiver has the Trek 1.1 for 2015, 2017, 2016, and 2010.

2015

2015 Trek 1.1

Reach 369 to 398 mm. The 1.1 build comes with Shimano Claris shifting and Bontrager T1 tires.

Compare geometry

Source: trekbikes.com. Checked Oct 11, 2026.

Key facts

Brand: Trek
Model: 1.1
Model year: 2015
Geometry labels: 47, 50, 52, 54, 56, 58, 60, and 62
Drivetrain: Shimano Claris
Geometry: Some measurements unavailable
Source: trekbikes.com
Checked: Oct 11, 2026

Geometry by size

2015 Trek 1.1 geometry by size
Measurement	47	50	52	54	56	58	60	62
Reach(mm)	369	374	379	381	387	391	395	398
Stack(mm)	522	535	547	555	577	598	Not available	634
Head tube angle(°)	71.2	72.1	72.8	73.0	73.5	73.8	73.9	73.9
Effective top tube(mm)	513	521	534	543	560	574	586	598
Chainstay length(mm)	407	407	407	407	407	407	410	410
Wheelbase(mm)	971	971	973	978	980	987	1000	1008
BB drop(mm)	72	72	72	70	70	70	68	68
Standover(mm)	711	733	747	758	781	800	819	837
Seat tube length(mm)	444	476	493	506	533	553	573	593
Head tube length(mm)	120	130	140	150	170	190	210	230

Not available

Requested. Requests decide what we research next.

How to read a geometry chart

Stock build

10 parts

Frame

Trek Alpha

Frame

Drivetrain

Shifter

Derailleur

Chain

Crankset

Wheels & Tires

Bontrager T1

Tire

Bontrager AT-750 double-walled

Rim

Cockpit

Bontrager VR-C

Handlebar

Seatpost & Saddle

Bontrager SSR

Seatpost

Bontrager Paradigm 1

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2015 Trek 1.1?: Geometry is listed for 47, 50, 52, 54, 56, 58, 60, and 62.
What are the reach and stack of the 2015 Trek 1.1 in size 56?: In size 56, reach is 387 mm and stack is 577 mm.
What is the head tube angle of the 2015 Trek 1.1?: The head tube angle is 73.5 degrees in size 56.
What does the 2015 Trek 1.1 ship with?: The stock build includes Trek Alpha, Shimano Claris, Bontrager T1, and Bontrager VR-C.
Which years of the Trek 1.1 are on Quiver?: Quiver has the Trek 1.1 for 2015, 2017, 2016, and 2010.