Specialized Rockhopper Base

Frame

Specialized 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

Seat Binder

Alloy, quick release, 34.9

Front Brake

Tektro HD-M280, 2-piston caliper, hydrailic disc

Rear Brake

Tektro HD-M280, 2-piston caliper, hydrailic disc

Shift Levers

Shimano Altus, RapidFire Plus, 9-speed

Front Derailleur

Shimano Altus 2-speed

Rear Derailleur

Shimano Altus, 9-speed

Cassette

SunRace, 9-Speed, 11-36t

Chain

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

Crankset

Stout 2x, forged alloy

Bottom Bracket

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

Rims

Specialized alloy, disc only, double-wall, 25mm inner width, 32h

Front Hub

Alloy, Sealed bearing, 6-Bolt, disc, 100x9mm spacing, quick-release

Rear Hub

Alloy Sealed bearing, 6-Bolt, disc, 135x9mm spacing, quick-release

Spokes

Stainless, 14g

Front Tire

Ground Control, 27.5/29x2.35, T5

Rear Tire

Ground Control, 27.5/29x2.35, T5

Inner Tubes

Standard, Schrader Valve

Stem

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

Handlebars

Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm

Grips

Specialized Trail Grips, lock-on

Saddle

Bridge Sport, Steel rails, 155/143mm

SeatPost

Alloy, 2-bolt clamp, 30.9mm

Pedals

Specialized, platform

Product ID

279921

Weight

14.1 kg (31 lb, 1.4 oz)

Weight Size

MD

Fork

SR Suntour XCE 26/27.5/29, 28mm stanchions, coil spring, QR, 80/90/100mm travel (size-specific), 42mm offset