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Specialized Rockhopper MTB Bicycle

Specialized Rockhopper: the versatile, reliable hardtail mountain bike ready for any trail

The Specialized Rockhopper is the ideal hardtail mountain bike for those looking to enter the world of off-road cycling or improve their trail performance with a lightweight, robust, and high-performing bike. Thanks to its A1 Premium aluminum frame, SR Suntour XCM fork with Rx Tune, and Shimano 2x9 speed drivetrain, it offers the perfect balance of control, efficiency, and reliability.

Designed according to Specialized's Rider-First philosophy, the Rockhopper ensures intuitive and safe riding, perfectly adapting to the needs of every rider thanks to the different wheel and suspension configurations specific to each size.

Why choose the Specialized Rockhopper

The Rockhopper was created to offer superior performance in its category without compromise. The lightweight A1 Premium alloy frame uses butted tubing that reduces overall weight while maintaining high levels of strength and durability over time.

The SR Suntour XCM fork with Rx Tune technology is optimized according to the frame size to ensure precise response and better impact management, while the Shimano Altus 2x9 speed drivetrain offers versatile gearing for tackling both the most challenging climbs and fast sections.

Strengths

• Lightweight and durable Specialized A1 Premium Alloy frame.
• Geometry designed to offer control and comfort on any terrain.
• Internal cable routing for a clean look and increased protection.
• Dropper post compatibility.
• SR Suntour XCM fork with Rx Tune specific to each size.
• Reliable and versatile Shimano Altus 2x9 drivetrain.
• Shimano BR-MT200 hydraulic disc brakes.
• Robust wheels with Specialized double-wall rims with 25 mm internal width.
• Specialized Fast Trak Sport tires suitable for various types of terrain.

Ideal for

• Mountain biking excursions.
• Trails and dirt paths.
• Outdoor training.
• Sports and recreational use.
• Beginner riders and enthusiasts looking for reliability and quality.

Specialized Rockhopper Technical Specifications

Frame

Frame

Specialized A1 Premium Butted Alloy, Zero-Stack head tube, internal cable routing, 135x9mm forged dropouts, chainstay-mounted disc brake mount, replaceable alloy derailleur hanger, Stealth Rack Mounts, dropper post compatible.

Seat Collar

Alloy, quick release, 34.9 mm diameter.

Suspension

Fork

SR Suntour XCM 27.5, 30mm stanchions, Rx Tune, coil spring, quick release, 80/90/100mm travel depending on size, 42mm offset.

Brakes

Front Brake

Shimano BR-MT200, hydraulic disc brake, 180mm rotor.

Rear Brake

Shimano BR-MT200, hydraulic disc brake, 180mm rotor.

Drivetrain

Shift Levers

Shimano Altus RapidFire Plus, 9-speed.

Front Derailleur

Shimano Altus FD-M2020, 2-speed.

Rear Derailleur

Shimano Shadow RD-M2000, 9-speed.

Cassette

SunRace 9-speed, 11-36 teeth.

Chain

KMC X9EPT, 9-speed, anti-corrosion treatment with reusable Missing Link™.

Crankset

Stout 2x forged alloy.

Bottom Bracket

Square-Tapered, 73mm width, internal bearings, 122.5mm axle.

Wheels

Rims

Specialized Alloy, disc-specific, double-wall, 25mm internal width, 32 holes.

Front Hub

Formula 6-Bolt Disc, 100x9mm spacing, quick release, 32 holes.

Rear Hub

Formula SP-2125, 6-Bolt Freehub body, disc brake, 135x9mm spacing, quick release.

Spokes

14g stainless steel.

Inner Tube

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

Front Tire

Specialized Fast Trak Sport, 27.5/29x2.35.

Rear Tire

Specialized Fast Trak Sport, 27.5/29x2.35.

Cockpit

Stem

Stout 3D Forged Alloy, 31.8mm diameter, 6° rise.

Handlebars

Alloy Mini Rise, 9° backsweep, 15mm rise, 31.8mm diameter.

Grips

Specialized Trail Grips Lock-On.

Seatpost

Alloy, two-bolt clamp, 30.9mm diameter.

Saddle

Specialized Bridge Sport with steel rails, available in 155mm and 143mm sizes.

Weight

Bicycle Weight

13.87 kg (30 lb, 9.2 oz).

Weighed Size

MD.

Please Note

Technical specifications may change without prior notice based on component availability.
Product images are for illustrative purposes only and may not exactly reflect the described features.

Start your trail adventure

The Specialized Rockhopper is a hardtail mountain bike designed to offer reliability, control, and fun on any trail. Thanks to Specialized's build quality, Shimano drivetrain, and hydraulic disc brakes, it is an excellent choice for those seeking a versatile, high-performing MTB ready to accompany them on every new off-road adventure.

Do you want to receive your bike ready for use? Don't forget to add the bike assembly service at the time of purchase! Discover all the details here: Francesconi bike assembly

A Complete Guide to Bike Sizes

Foreword: Not all bike sizes are the same

Each type of bike has a specific frame and often uses a different size scale. For example, a road bike with a 54cm frame might be considered a medium size by one brand, but a large by another.

Bicycle adjustment margins

Some types of bikes, like gravel bikes, offer a wide range of adjustments, adapting to different body types. Other models, however, have limitations in this regard. This is an important aspect to consider.

How to use size charts

We've created a simple guide to help you find the right bike size:

1. Check out our size charts for each bike type.
2. Learn more with specific tips to help you make the right choice.

Size Charts: Find Your Perfect Bike

Gravel and road bikes

Sizes are based on the length of the top tube (in cm), which determines the reach of the bike.

For gravel, measurements may vary slightly due to different geometries, but remain similar.

Mountain bike

MTBs are measured in inches, based on the seat tube.

Sizes also vary depending on the type of MTB: full-suspension , hardtail or fat bike .

Children's bikes

The size depends on the size of the wheels, often associated with age:

What to do with half measures?

If you are between two sizes:

• Comfort : Choose the larger size.
• Performance : Go for the smaller size.

Final tips for choosing

1. Consult the manufacturer's instructions : Always check the brand's guidelines.
2. Ask an expert : a specialized workshop can help you choose based on your height, ideal reach and goals.
3. Test the bike : If possible, test the model you intend to purchase.