Which size or configuration labels have geometry for the 2021 Specialized Rockhopper Expert?

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

What is the head tube angle of the 2021 Specialized Rockhopper Expert?

The head tube angle is 68 degrees in size XS.

What does the 2021 Specialized Rockhopper Expert ship with?

The stock build includes Specialized A1 premium butted, RockShox Judy, SRAM SX Eagle, and e*thirteen SL.

Which years of the Specialized Rockhopper are on Quiver?

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

2021 Specialized Rockhopper Expert geometry and specs

Key facts

Brand: Specialized
Model: Rockhopper
Model year: 2021
Frame: Expert
Type: XC
Geometry labels: XS, S, M, L, XL, and XXL
Drivetrain: SRAM SX Eagle
Fork: RockShox Judy
Wheels: e*thirteen SL
Geometry: Some measurements unavailable
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size XS, to scale.

2021 Specialized Rockhopper Expert geometry by size
Measurement	XS	S	M	L	XL	XXL
Reach(mm)	375	Not available	Not available	Not available	Not available	Not available
Stack(mm)	559	Not available	Not available	Not available	Not available	Not available
Head tube angle(°)	68	Not available	Not available	Not available	Not available	Not available
Seat tube angle(°)	73.5	Not available	Not available	Not available	Not available	Not available
Chainstay length(mm)	440	Not available	Not available	Not available	Not available	Not available
Wheelbase(mm)	1067	1105	1128	1152	1178	1203
Standover(mm)	658	732	754	781	820	853
Seat tube length(mm)	310	360	400	450	500	560
Fork length(mm)	475	505	515	515	515	515
Head tube length(mm)	95	95	95	105	120	135

Not available

Requested. Requests decide what we research next.

How to read a geometry chart

Stock build

19 parts

Frame

Specialized A1 premium butted

FrameCategory Cross Country

Suspension

RockShox Judy

ForkWheel size 29Front axle / spacing 9 QRSteerer diameter 1 1/8 Alum / 1 1/8 Steel / 1.5 Tapered AlumBrake mount 160 mm min / 185 mm maxStanchion diameter 30mmSpring type CoilDamper Turnkey

Drivetrain

Shifter

Derailleur

Cassette

Chain

Crankset

Bottom bracket

Wheels & Tires

e*thirteen SL

Wheelset

Specialized Ground Control

Tire

Shimano HB-RM35

Hub

Shimano FH-RM35

Hub

Specialized hookless

Rim

Brakes

Shimano MT200

BrakeCaliper mount Post Mount

Shimano MT200

Rotor

Cockpit

Specialized alloy

Handlebar

Specialized Stout

StemBar clamp diameter 31.8mmRise 6°

Specialized Trail

Grips

Seatpost & Saddle

Specialized Bridge Sport

Saddle

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Quick answers

Which size or configuration labels have geometry for the 2021 Specialized Rockhopper Expert?: Geometry is listed for XS, S, M, L, XL, and XXL.
What is the head tube angle of the 2021 Specialized Rockhopper Expert?: The head tube angle is 68 degrees in size XS.
What does the 2021 Specialized Rockhopper Expert ship with?: The stock build includes Specialized A1 premium butted, RockShox Judy, SRAM SX Eagle, and e*thirteen SL.
Which years of the Specialized Rockhopper are on Quiver?: Quiver has the Specialized Rockhopper for 2021, 2026, 2025, 2024, 2023, 2022, 2020, 2019, 2018, 2017, 2015, 2014, 2012, 2011, 2010, and 2009.