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Hardrock Disc 650b

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2017 Hardrock Disc 650b

Let's go ahead and forego the sales pitch. After all, you're eager to get out there and start exploring the dirt on a Hardrock Disc. The only question is, what wheel size should you go with? No matter your height or experience level, our Hardrock will fit you perfectly, but if you're more inclined to get a little rowdy or you need a little more standover than a 29er can afford, the Hardrock Disc 650b is the perfect choice for you. And with durable, performance-driven components, powerful disc brakes, a bump absorbing suspension fork, and our nimble, playful Sport Trail 650b Geometry, you'll be left feeling confident and inspired.

Technical Specifications

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FRAMESET

FRAME

A1 Premium Aluminum, forged 3D drop outs, reinforced disc mount, alloy replaceable derailleur hanger

SEAT BINDER

Alloy, QR clamp, 31.8mm

SUSPENSION

FORK

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

WHEELS

RIMS

650b, disc, alloy, double-wall, pin joint, 25mm inner width, 32h

FRONT HUB

Specialized disc, double-sealed, loose ball bearings, 9mm QR

REAR HUB

Specialized disc, loose ball bearings, QR, 32h

SPOKES

Stainless, 14g

FRONT TIRE

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

REAR TIRE

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

DRIVETRAIN

FRONT DERAILLEUR

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

REAR DERAILLEUR

Shimano Tourney, 7-speed

SHIFT LEVERS

Shimano EF500, EZ Fire Plus, 7-speed

CASSETTE

Sunrace, 7-speed, 11-34t

CHAIN

KMC X8, 8-speed w/reusable MissingLink

CRANKSET

Samox, forged alloy, square taper spindle

CHAINRINGS

42/34/24T w/chainguard

BOTTOM BRACKET

Square taper, 73mm, internal bearings

COCKPIT

STEM

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

HANDLEBARS

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

GRIPS

Specialized MTB Grip, lock-on

SADDLE

Body Geometry mountain, steel rails, 143mm

SEATPOST

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

BRAKES

FRONT BRAKE

Tektro MD-M280, mechanical disc, 160mm rotor

REAR BRAKE

Tektro MD-M280, mechanical disc, 160mm rotor

ACCESSORIES

PEDALS

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

* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.

Geometry

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XSSMLXL
Crank Length170mm170mm175mm175mm175mm
Handlebar Width700mm700mm700mm700mm700mm
Stem Length60mm70mm70mm90mm90mm
Seatpost Length300mm350mm350mm400mm400mm
Seat-Tube Angle74°74°73°73°73°
Head-Tube Length100mm100mm100mm100mm120mm
Head-Tube Angle70.5°70.5°70.5°70.5°70.5°
Chain-Stay Length425mm425mm425mm425mm425mm
Front-Center612mm633mm652mm671mm697mm
B-B Drop48mm48mm48mm48mm48mm
B-B Height305mm305mm305mm305mm305mm
Bike Stand-Over Height687mm724mm761mm775mm813mm
Fork Length (full)480mm480mm480mm480mm480mm
Top-Tube Length (horizontal)537mm558mm588mm607mm633mm
Seat-Tube Length313mm373mm432mm460mm510mm
Stack583mm583mm583mm583mm602mm
Reach370mm391mm410mm429mm449mm
Trail75mm75mm75mm75mm75mm
Fork Rake/Offset48mm48mm48mm48mm48mm
Wheelbase1032mm1053mm1072mm1091mm1117mm
Geometry

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