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All barn-burner and no benchwarmer, the Rockhopper Sport throws out the playbook when it comes to putting performance points on the board while playing some serious defense on behalf of your wallet. 
All barn-burner and no benchwarmer, the Rockhopper Sport throws out the playbook when it comes to putting performance points on the board while playing some serious defense on behalf of your wallet. 

2021 Specialized Rockhopper Sport 27.5 inch Mountain Bike in White

Star buys 30% Off Selected Pedals With Any Bike When you add 2021 Specialized Rockhopper Sport 27.5 inch Mountain Bike in White to your basket today.
Click & Collect for Free
 in Customer Rewards when you buy this item today

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!


With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on the Undetermined
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2021 Specialized Rockhopper Sport 27.5 inch Mountain Bike in White Information

Season : 2021

Brand : Specialized

Code : 291571303490

An eminent part of the brand’s collection across the last few decades, the Specialized Rockhopper Sport Mountain Bike has been re-formatted entirely to give rise to boosted grades of ride-quality and to further the scope of its versatility across all genres of off-road riding. This has all been achieved while keeping its famed and critical price-to-performance ratio.
An A1 Premium Alloy frame with accurately butted tubing promotes a chassis that is brimming with energy, responsiveness and composure no matter the terrain ahead. A newly realised, XC inspired geometry grants a confident, spritely character before the SR Suntour fork, via it’s RX Tuned suspension, adds increased line accuracy and plushness into the performance mixture, regardless of trail severity.
Burly, double-walled, Specialized alloy rims are amalgamated with solid and dependable Formula hubs to result in a wheelset that excels whether grinding uphill or flying down technical descents. A newly conceived frame size-specific wheel sizing scheme brings optimal handling to the package by matching the wheel size to the rider and bike perfectly.
All manner of topography is conquerable thanks to the vast scope of ratios offered by the Shimano gear formation before the hydraulic disc brake platform bestows confidence via its modulated and accurate stopping power.
Complemented by a threaded bottom bracket, aesthetically pleasing internal cable routing, dropper post compatibility and convenient rack and kickstand mounts, the Rockhopper results in a most comprehensive and multifaceted companion that is set for any adventure.
Key Benefits and Features:
  • Re-designed from the ground up the venerable Rockhopper is now lighter, better handling, more service friendly and more versatile
  • All-new frame design with A1 Alloy and butted tubing
  • Cross country inspired geometry
  • SR Suntour XCM suspension fork, Rx Tune configured
  • Frame size-specific wheel sizing, either 27.5 or 29-inch, to optimise handling regardless of frame size
  • Shimano 2 x 9-speed gear set up with service friendly, threaded bottom bracket
  • Tektro HD-M275, hydraulic disc brake configuration


Helping keep you safe out on the roads for just
£2.50 m/o

Travel expense cover

Up to £200 expense cover if you find yourself stranded after an accident. theft or mechanical breakdown.

Third-party liabillty

Up to £2m liability cover if you damage someone's property or need to defend yourself in court.

Legal cover

Cover for legal costs for pursuing a personal injury case after accident that wasn't your fault. Be it driver or pothole.

30 days free bicycle insurance

Your first 30 days of bicycle insurance for free*. Cover includes theft and accidental damage.

Sign-up today!

*First 30 days bicycle insurance free to new Laka bicycle insurance customers only. Laka is a trading style of Laka Ltd (No. 10575209). Laka Ltd is authorised and regulated by the Financial Conduct Authority (No. 785971).

All parts and accessories orders over £40 to Mainland UK addresses will be dispatched FREE via a tracked 48hr service (orders under £40 will incur a £4.50 delivery charge).

Bikes up to £595 - £35

Bikes over £595 & large items - £15

To Mainland UK addresses via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days & additional delivery charges).

Click & Collect Orders

Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.

Spread the cost of your new bike, helmet, safety equipment and accessories paying via instalments being taken directly from your wage. The payments for the Cycle To Work scheme are taken out of your gross wage and your Tax & NI contributions are then worked out based on your new lower gross wage which is how you save money on your new bike and equipment.

At the end of the time period specified with your Cycle To Work scheme you then have the option of buying your bike or to continuing to use it while you work for the company. If you decide to purchase the bike, the balance you owe will be based on a percentage of how much the bike was worth at the time you took out the Cycle To Work scheme.

We know how eager you'll be to jump on your new bike and hit the dirt or tarmac, so we give you everything you need to get you set up quickly. For full instructions on how you're bike will arrive and what you'll need to do, visit our How Our Bikes Are Built page

Easy Set-Up Instructions

Have your brand spanking new bike ready to ride in less than 15 minutes with our easy to follow guide.

Free Multi-Tool

9 in 1 multi-tool to help you set up and maintain your bike.

Free Pedal Spanner

Attach your pedals with ease using our free tool. Please note pedals are not included with all bikes so please check the specification. You can shop our awesome range of pedals HERE

Special Offer

30% Off Selected Pedals With All Bikes

Get 30% off a select range of pedals when you purchase a bike from Hargroves Cycles. Once you add the bike to cart you will be taken the pedal selection page to add your half-price pedals, discount will be applied at the checkout.

Technical Information

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

Fork: SR Suntour XCM | 30mm Stanchions | Rx Tune | coil spring | QR | 80/90/100mm travel (size-specific) | 42mm offset

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

Handlebars: Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm

Grips: Specialized Trail Grips, lock-on

Front Brake: Tektro HD-M275, hydraulic disc, 180mm

Rear Brake: Tektro HD-M275, hydraulic disc, 160mm

Front Derailleur: Shimano Altus FD-M2020 2-speed

Rear Derailleur: Shimano Altus, RD-M2000, 9-speed

Shift Levers: Shimano Altus, RapidFire Plus, 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, 22/36t

Bottom Bracket: Square-tapered, 73mm, internal bearings, 122.5mm spindle

Front Wheel: Specialized alloy, disc only rims, double-wall, 25mm inner width, 32h | Formula 6-Bolt hub, disc, 100x9mm spacing, quick-release, 32H | Stainless, 14g spokes

Rear Wheel: Specialized alloy, disc only rims, double-wall, 25mm inner width, 32h | Formula 6-Bolt hub, disc, 135x9mm spacing, quick-release, 32H | Stainless, 14g spokes

Front Tyre: Specialized Ground Control Sport, 27.5x2.3" | Clincher

Rear Tyre: Specialized Ground Control Sport, 27.5x2.3" | Clincher

Saddle: Specialized Bridge Sport, steel rails, 155/143mm

Pedals: Specialized Dirt

Seatpost: Specialized Alloy, 12mm offset, 2-bolt clamp, 30.9mm

Manufacturer Claimed Weight: 14.25kg / 31.42lbs (size M, 29")

Sizing Information
  XS (27.5") S (27.5") M (27.5") M (29") L (29") XL (29") XXL (29")
Seat Tube (ctr-top) 310 350 400 400 450 500 560
Seat Tube (ctr-ctr) - - - - - - -
Effective Top Tube 541 565 589 608 630 654 679
Actual Top Tube - - - - - - -
Seat Angle (°) 73.5 73.5 73.5 73.5 73.5 73.5 73.5
Head Tube Angle (°) 68 68 68 68.5 68.5 68.5 68.5
Head Tube Length 95 100 105 95 105 120 135
Trail 97 97 97 97 97 97 97
Chainstay Length 440 440 440 440 440 440 440
Wheelbase 1067 1092 1118 1128 1152 1178 1203
Standover - - - - - - -
BB Height 310 310 310 310 310 310 310
Stack 559 573 589 616 626 640 654
Reach 375 395 415 425 445 465 485


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