Specialized Rockhopper Base 29 - M, Satin Slate / Cool Grey, 2025

Frameset

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Seat Binder

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Alloy, quick release, 34.9

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Frame

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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

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Suspension

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Fork

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SR Suntour XCM 27.5, 30mm stanchions, Rx Tune, coil spring, QR, 80/90/100mm travel (size-specific), 42mm offset

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Brakes

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Front Brake

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Shimano BR-MT200, hydraulic disc, 180mm

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Rear Brake

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Shimano BR-MT200, hydraulic disc, 180mm

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Drivetrain

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Chain

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

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Rear Derailleur

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SHIMANO SHADOW RD-M2000 9-spd

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Front Derailleur

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SHIMANO ALTUS TOP SWING FD-M2020 s-spd

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Shift Levers

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SHIMANO RAPIDFIRE PLUS SL-M2000 2x9 spd

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Bottom Bracket

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

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Crankset

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Stout 2x, forged alloy

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Cassette

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SunRace, 9-Speed, 11-36t

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Wheels & tires

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Front Tire

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FAST TRAK SPORT, 650B/29x2.35 ;

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Rear Tire

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FAST TRAK SPORT, 650B/29x2.35 ;

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Front Hub

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Formula 6-Bolt, disc, 100x9mm spacing, quick-release, 32H

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Rear Hub

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Formula SP-2125, 6-Bolt freehub, disc, 135x9mm spacing, quick-release

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Rims

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

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Spokes

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Stainless, 14g

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Inner Tubes

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Standard 40mm SV 650B/29x1.75-2.4

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Cockpit

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Handlebars

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

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SeatPost

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Alloy, 2-bolt clamp, 30.9mm

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Saddle

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Bridge Sport, Steel rails, 155/143mm

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Grips

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Specialized Trail Grips, lock-on

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Stem

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

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Accessories

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Pedals

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Specialized Flat Pedal

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Weight

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Weight

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13.87kg (30 lb, 9.2 oz)

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Weight Size

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MD

Size chart

The sizes shown are our recommendations. These are approximate values as Specialized, CTM and GHOST each have specific frame geometries. The size of the bike's wheels also matters, so if in doubt about which size to choose, feel free to use our online chat or contact us on our helpline +421 947 974 140 .

Kids Bikes

wheel	age	height
12	2-4y	to 110 cm
16	4-5y	110- 120 cm
20	5-8y	120-135 cm
24	8-11y	135-145 cm

for Adults: wheel sizes 26, 28, 27,5 a 29

size	height
XXS	to 155 cm
XS	to 163 cm
S	to 170 cm
M	to 178 cm
L	to 185 cm
XL	to 193 cm
XXL	above 193 cm