Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2017 Specialized

Hardrock 650b

A 27.5″ aluminum frame hardtail crosscountry bike with mid-range components and rim brakes.
Compare the full range

FrameAluminum
SuspensionHardtail, 75mm
ForkSuntour
Wheels27.5″ Aluminum
Drivetrain3 × 7
GroupsetTourney
BrakesRim
Where to Buy
Similar Bikes
Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Hardrock 650b
Other Crosscountry bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

25 mph

Hardrock 650b

27 mph

Similar Bikes

Highest gear

(descending)

Sizing
XS

5'1" – 5'6"

SM

5'4" – 5'9"

MD

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'0" – 6'5"

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
BikeRadar
Specialized Hardrock Sport Disc review

Jul 2014 · Steve Williams

The Hardrock can survive trails, but only just, and it won’t improve as you do

Read Review

Geometry
Specs
Build
Frame

A1 Premium Aluminum, 3D forged dropouts, alloy replaceable derailleur hanger

Fork

SR Suntour M3030 650b, 1-1/8"" steel steerer, 75mm of travel, 9mm axle, coil spring w/preload adjust

Travel75mm

Spring TypeCoil

Bottom Bracket

Square taper, 73mm, internal bearings

Stem

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

Handlebar

Flat bar, double-butted 6061 alloy, 700mm width, 10-degree upsweep, 4-degree upsweep, 31.8mm

Saddle

Body Geometry mountain, steel rails, 143mm

Seatpost

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

TypeRigid

Pedals

Specialized MTB, platform w/molded pin, Cr-Mo spindle

Grips

Specialized MTB Grip, lock-on

Groupset
Rear Derailleur

Shimano Tourney, 7-speed

Front Derailleur

Shimano Tourney, top-swing, 34.9mm clamp, 7-speed

Crank

Samox, forged alloy, square taper spindle, 42/34/24T w/chainguard

Shifters

Shimano EF500, EZ Fire Plus, 7-speed

Cassette

Shimano Tourney freewheel, 7-speed, 14-34t

Chain

KMC X8, 8-speed w/reusable MissingLink

Brakes

Front: V-brake, linear pull, Rear: V-brake, linear pull

TypeRim

Wheels
Rims

650b, V-brake, alloy, double-wall, CNC sidewalls, pin joint, 25mm wide, 32h

Spokes

Stainless, 14g

Front Hub

Specialized V-brake, alloy, loose ball bearings, 9mm, QR

Rear Hub

Specialized V-brake, loose ball bearings, QR, 32h

Tires

Front: Fast Trak Sport, 650bx2.0"", 60TPI, wire bead, Flak Jacket protection, Rear: Fast Trak Sport, 650bx2.0"", 60TPI, wire bead, Flak Jacket protection

Rider Notes
Riders Also Viewed

First added November 6

Last updated November 6

Not listed for 2,401 days