Which size or configuration labels have geometry for the 2012 Trek Lexa SL (Compact)?

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

What are the reach and stack of the 2012 Trek Lexa SL (Compact) in size 52?

In size 52, reach is 371 mm and stack is 559 mm.

What is the head tube angle of the 2012 Trek Lexa SL (Compact)?

The head tube angle is 72.1 degrees in size 52.

What does the 2012 Trek Lexa SL (Compact) ship with?

The stock build includes Trek Alpha, Bontrager Approved, Shimano Tiagra, and Bontrager R1.

Which years of the Trek Lexa are on Quiver?

Quiver has the Trek Lexa for 2012, 2017, 2016, 2015, 2014, and 2013.

2012

2012 Trek Lexa SL (Compact)

Reach 364 to 377 mm, stack 525 to 591 mm. The Lexa SL (Compact) build comes with Shimano Tiagra shifting and Bontrager R1 tires.

Compare geometry

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

Key facts

Brand: Trek
Model: Lexa
Model year: 2012
Frame: SL (Compact)
Geometry labels: 47, 50, 52, 54, and 56
Drivetrain: Shimano Tiagra
Fork: Bontrager Approved
Geometry: Complete for every size
Source: trekbikes.com
Checked: Oct 12, 2026

Geometry by size

2012 Trek Lexa SL (Compact) geometry by size
Measurement	47	50	52	54	56
Reach(mm)	364	368	371	374	377
Stack(mm)	525	542	559	573	591
Head tube angle(°)	71.0	71.9	72.1	72.6	73.3
Effective top tube(mm)	509	517	529	541	554
Chainstay length(mm)	410	410	410	410	410
Wheelbase(mm)	976	977	979	983	979
BB drop(mm)	72	72	72	70	70
Standover(mm)	691	709	733	755	779
Seat tube length(mm)	428	459	490	515	546
Head tube length(mm)	125	140	155	170	185

How to read a geometry chart

Stock build

11 parts

Frame

Trek Alpha

Frame

Suspension

Bontrager Approved

Fork

Drivetrain

Shimano Tiagra

ShifterSpeeds 10

Shimano Tiagra

DerailleurMaximum cog 32 tActuation type Mechanical

Shimano Tiagra

CassetteSpeeds 10

FSA Vero

Crankset

Wheels & Tires

Bontrager R1

Tire

Cockpit

Bontrager VR-S

Handlebar

Bontrager SSR

Stem

Seatpost & Saddle

Bontrager infinite tilt adjustment

Seatpost

Bontrager Affinity 1 WSD

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2012 Trek Lexa SL (Compact)?: Geometry is listed for 47, 50, 52, 54, and 56.
What are the reach and stack of the 2012 Trek Lexa SL (Compact) in size 52?: In size 52, reach is 371 mm and stack is 559 mm.
What is the head tube angle of the 2012 Trek Lexa SL (Compact)?: The head tube angle is 72.1 degrees in size 52.
What does the 2012 Trek Lexa SL (Compact) ship with?: The stock build includes Trek Alpha, Bontrager Approved, Shimano Tiagra, and Bontrager R1.
Which years of the Trek Lexa are on Quiver?: Quiver has the Trek Lexa for 2012, 2017, 2016, 2015, 2014, and 2013.