Which size or configuration labels have geometry for the 2017 Specialized Rockhopper 29?

Geometry is listed for S, M, L, XL, and XXL.

What are the reach and stack of the 2017 Specialized Rockhopper 29 in size L?

In size L, reach is 404 mm and stack is 648 mm.

What is the head tube angle of the 2017 Specialized Rockhopper 29?

The head tube angle is 71 degrees in size L.

What does the 2017 Specialized Rockhopper 29 ship with?

The stock build includes SR Suntour XCT, Shimano EF510, Specialized Ground Control Sport, and Shimano Acera M375.

Which years of the Specialized Rockhopper are on Quiver?

Quiver has the Specialized Rockhopper for 2017, 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2015, 2014, 2012, 2011, 2010, and 2009.

2017

2017 Specialized Rockhopper 29

Reach 383 to 441 mm, stack 623 to 677 mm. The Rockhopper 29 build comes with Shimano Altus shifting and Specialized Ground Control Sport tires.

Compare geometry

Source: specialized.com. Checked Oct 22, 2026.

Key facts

Brand: Specialized
Model: Rockhopper
Model year: 2017
Frame: 29
Geometry labels: S, M, L, XL, and XXL
Drivetrain: Shimano Altus
Fork: SR Suntour XCT
Geometry: Some measurements unavailable
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size L, to scale.

2017 Specialized Rockhopper 29 geometry by size
Measurement	S	M	L	XL	XXL
Reach(mm)	383	388	404	427	441
Stack(mm)	623	634	648	658	677
Head tube angle(°)	70.5	71	71	71	71
Seat tube angle(°)	74.25	73	73	73	73
Effective top tube(mm)	559	582	602	628	648
Chainstay length(mm)	450	450	450	450	450
Wheelbase(mm)	1073	1076	1097	1123	1144
BB drop(mm)	69	69	69	69	69
BB height(mm)	305	305	305	305	305
Standover(mm)	749.6	797.2	827.4	865.8	894.6
Seat tube length(mm)	394	444	483	530	560
Fork length(mm)	495	515	515	515	515
Head tube length(mm)	105	Not available	110	120	140

Not available

Requested. Requests decide what we research next.

How to read a geometry chart

Stock build

11 parts

Suspension

SR Suntour XCT

ForkWheel size 29

Drivetrain

Shimano EF510

ShifterSpeeds 7

Shimano Altus

DerailleurSpeeds 8

Shimano Acera

DerailleurSpeeds 8

KMC X8

ChainSpeeds 8Links 116Weight 286 g

Wheels & Tires

Specialized Ground Control Sport

TireWheel size 29Width 2.1TPI 60 TPI

Specialized Stout 29

Rim

Brakes

Shimano Acera M375

BrakeBrake type mechanical disc

Cockpit

Specialized Stout

HandlebarWidth 720mm

Specialized Stout

Stem

Seatpost & Saddle

Specialized Henge Sport

Saddle

Keep your Rockhopper 29 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

Manufacturer

Keep the factory build and your current parts distinct

Quick answers

Which size or configuration labels have geometry for the 2017 Specialized Rockhopper 29?: Geometry is listed for S, M, L, XL, and XXL.
What are the reach and stack of the 2017 Specialized Rockhopper 29 in size L?: In size L, reach is 404 mm and stack is 648 mm.
What is the head tube angle of the 2017 Specialized Rockhopper 29?: The head tube angle is 71 degrees in size L.
What does the 2017 Specialized Rockhopper 29 ship with?: The stock build includes SR Suntour XCT, Shimano EF510, Specialized Ground Control Sport, and Shimano Acera M375.
Which years of the Specialized Rockhopper are on Quiver?: Quiver has the Specialized Rockhopper for 2017, 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2015, 2014, 2012, 2011, 2010, and 2009.