2021 Specialized Rockhopper Comp 29

A 29″ aluminum frame hardtail crosscountry bike with mid-range components, priced near the middle of the Rockhopper model range. Compare the full range

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2021 Specialized Rockhopper Comp 29
MSRP$850
Front Travel100mm
FrameAluminum
ForkSunTour XCM
Wheels29″
GroupsetmicroSHIFT Advent
BrakesHydraulic Disc
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Estimated Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more

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Geometry

Specs
Build
Frame

A1 premium butted alloy, zero-stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake, replaceable alloy derailleur hanger, stealth rack mounts, dropper post compatible

Fork

SR Suntour XCM 29, 30mm Stanchions, Rx Tune, coil spring, custom Multi-Circuit damping w/lockout, QR, 90/100mm travel (size-specific), 46mm offset

Bottom Bracket

Square-tapered, 73mm, internal bearings, 122.5mm spindle

Stem

Stout 3D-forged alloy, 31.8mm, 6-degree rise

Handlebar

Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm

Saddle

Bridge Sport, steel rails

Seatpost

Alloy, 12mm offset, 2-bolt clamp, 30.9mm

Grips

Specialized Trail Grips, lock-on

Groupset
Rear Derailleur

microSHIFT Advent, 1x9 w/ clutch

Crank

Stout 1x, forged alloy

Shifters

microSHIFT Advent, 9-speed

Cassette

microSHIFT Advent, 9-speed, 11-42t

Chain

KMC X9EPT, 9-speed, anti-corrosion coating w/ reusable Missing Link™

Brakes

Shimano BR-MT200, hydraulic disc, 160mm

Wheels
Rims

Stout Alloy, hookless, pinned, disc only, double-wall, 25mm inner width, 28h

Spokes

Stainless, 14g

Front Hub

Shimano HB-TX505, Center Lock™ disc, 9x100mm spacing, quick-release, 28h

Rear Hub

Shimano FH-TX505, Center Lock™ disc, 9x135mm spacing, quick-release, 32h

Tires

Front: Ground Control Sport, 29x2.3", Rear: Ground Control Sport, 29x2.3"