Which size or configuration labels have geometry for the 2012 Specialized Stumpjumper Comp 29?

Geometry is listed for 15.5, 17.5, 19.0, 21.0, and 23.0.

What are the reach and stack of the 2012 Specialized Stumpjumper Comp 29 in size 19.0?

In size 19.0, reach is 428 mm and stack is 630 mm.

What is the head tube angle of the 2012 Specialized Stumpjumper Comp 29?

The head tube angle is 71.5 degrees in every size.

What does the 2012 Specialized Stumpjumper Comp 29 ship with?

The stock build includes RockShox Reba RL 29, SRAM X-7, Specialized S-Works Renegade, and Avid Elixir 7 SL.

Which years of the Specialized Stumpjumper are on Quiver?

Quiver has the Specialized Stumpjumper for 2012, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2016, 2015, 2014, 2011, 2010, 2009, 2008, 2007, and 2006.

2012

2012 Specialized Stumpjumper Comp 29

Trail

The 2012 Specialized Stumpjumper Comp 29 sits at the upright end of the range for a trail bike, with a steeper head angle and a longer rear center. Reach 393 to 463 mm, stack 596 to 663 mm. The Stumpjumper Comp 29 build comes with SRAM X-7 shifting and Specialized S-Works Renegade tires.

Compare with 1,400+ trail bikes

Source: specialized.com. Checked Sep 5, 2026.

Key facts

Brand: Specialized
Model: Stumpjumper
Model year: 2012
Frame: Comp 29
Type: Trail
Geometry labels: 15.5, 17.5, 19.0, 21.0, and 23.0
Drivetrain: SRAM X-7
Fork: RockShox Reba RL 29
Geometry: Complete for every size
Source: specialized.com
Checked: Sep 5, 2026

Geometry by size

Geometry drawing, size 19.0, to scale.

2012 Specialized Stumpjumper Comp 29 geometry by size
Measurement	15.5	17.5	19.0	21.0	23.0
Reach(mm)	393	408	428	449	463
Stack(mm)	596	616	630	644	663
Head tube angle(°)	71.5	71.5	71.5	71.5	71.5
Seat tube angle(°)	73.5	73.5	73.5	73.5	73.5
Chainstay length(mm)	435	435	435	435	435
Wheelbase(mm)	1051	1070	1096	1121	1142
BB drop(mm)	63.5	63.5	63.5	63.5	63.5
BB height(mm)	304	304	304	304	304
Standover(mm)	758	796	826	860	893
Seat tube length(mm)	394	445	483	533	584
Head tube length(mm)	90	100	115	130	150

How to read a geometry chart

Stock build

12 parts

Suspension

RockShox Reba RL 29

Fork

Drivetrain

Shifter

Derailleur

Derailleur

Cassette

ChainSpeeds 10

Crankset

Wheels & Tires

Specialized S-Works Renegade

Tire

Specialized Renegade Control

Tire

Specialized Hi Lo

Hub

Brakes

Avid Elixir 7 SL

Brake

Seatpost & Saddle

Specialized Phenom

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2012 Specialized Stumpjumper Comp 29?: Geometry is listed for 15.5, 17.5, 19.0, 21.0, and 23.0.
What are the reach and stack of the 2012 Specialized Stumpjumper Comp 29 in size 19.0?: In size 19.0, reach is 428 mm and stack is 630 mm.
What is the head tube angle of the 2012 Specialized Stumpjumper Comp 29?: The head tube angle is 71.5 degrees in every size.
What does the 2012 Specialized Stumpjumper Comp 29 ship with?: The stock build includes RockShox Reba RL 29, SRAM X-7, Specialized S-Works Renegade, and Avid Elixir 7 SL.
Which years of the Specialized Stumpjumper are on Quiver?: Quiver has the Specialized Stumpjumper for 2012, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2016, 2015, 2014, 2011, 2010, 2009, 2008, 2007, and 2006.