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

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

What are the reach and stack of the 2015 Trek Lexa SL in size 52?

In size 52, reach is 371 mm and stack is 561 mm.

What is the head tube angle of the 2015 Trek Lexa SL?

The head tube angle is 72.2 degrees in size 52.

What does the 2015 Trek Lexa SL ship with?

The stock build includes Trek Alpha, Shimano Tiagra, Bontrager R1 Hard-Case Lite, and Bontrager VR-S.

Which years of the Trek Lexa are on Quiver?

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

2015

2015 Trek Lexa SL

Reach 364 to 377 mm, stack 525 to 593 mm. The Lexa SL build comes with Shimano Tiagra shifting and Bontrager R1 Hard-Case Lite tires.

Compare geometry

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

Key facts

Brand: Trek
Model: Lexa
Model year: 2015
Frame: SL
Geometry labels: 47, 50, 52, 54, and 56
Drivetrain: Shimano Tiagra
Geometry: Complete for every size
Source: trekbikes.com
Checked: Oct 11, 2026

Geometry by size

2015 Trek Lexa SL geometry by size
Measurement	47	50	52	54	56
Reach(mm)	364	368	371	374	377
Stack(mm)	525	545	561	576	593
Head tube angle(°)	71.1	71.3	72.2	72.3	72.4
Effective top tube(mm)	509	518	530	542	555
Chainstay length(mm)	410	410	410	410	410
Wheelbase(mm)	976	984	979	987	994
BB drop(mm)	72	72	72	70	70
Standover(mm)	695	713	733	754	778
Seat tube length(mm)	416	437	465	490	521
Head tube length(mm)	115	138	150	168	185

How to read a geometry chart

Stock build

9 parts

Frame

Trek Alpha

Frame

Drivetrain

Shimano Tiagra

ShifterCompatibility 10-speed

Shimano Tiagra

DerailleurMaximum cog 32 tActuation type Mechanical

Shimano Tiagra

Cassette

KMC X10

ChainSpeeds 10

FSA Vero

Crankset

Wheels & Tires

Bontrager R1 Hard-Case Lite

Tire

Cockpit

Bontrager VR-S

Handlebar

Seatpost & Saddle

Bontrager Affinity 1 WSD

Saddle

Keep your Lexa SL in Quiver

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

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

Already have Quiver? Open this build

Sources agreeManufacturer

Keep the factory build and your current parts distinct

Quick answers

Which size or configuration labels have geometry for the 2015 Trek Lexa SL?: Geometry is listed for 47, 50, 52, 54, and 56.
What are the reach and stack of the 2015 Trek Lexa SL in size 52?: In size 52, reach is 371 mm and stack is 561 mm.
What is the head tube angle of the 2015 Trek Lexa SL?: The head tube angle is 72.2 degrees in size 52.
What does the 2015 Trek Lexa SL ship with?: The stock build includes Trek Alpha, Shimano Tiagra, Bontrager R1 Hard-Case Lite, and Bontrager VR-S.
Which years of the Trek Lexa are on Quiver?: Quiver has the Trek Lexa for 2015, 2017, 2016, 2014, 2013, and 2012.