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ST 520 S Mountain Bike 27.5" - Grey
$520.00
ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
  • ST 520 S Mountain Bike 27.5" - Grey
$520.00

ST 520 S Mountain Bike 27.5" - Grey

8378294
17 of 20 people recommends this product
Description
Our team has developed this 27.5" full suspension mountain bike with disc brakes for your mountain bike touring in dry weather, for rides of 2-3 hours.
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        BENEFITS

        Cycling comfort

        You'll love the double 120 mm suspension, adjustable stem, & hammock saddle!

        Efficiency

        Efficient cycling thanks to the 27.5" wheels, 24 speeds and aluminum frame.

        Precision

        Control your path with the double disc brakes and wider tires.

        Easy to use

        Use the wheel to adjust the fork to your weight. Easily adjust the saddle.

        Lifetime warranty

        ROCKRIDER offers a lifetime warranty on the frame, handlebars and stem.

        TECHNICAL INFORMATIONS

        WHAT OUR TEAM HAS TO SAY

        Our passionate MTB team has fully designed and developed the ST 520 S mountain bike at the B'Twin Village in France (Lille). We've designed, developed, and tested the ST 520 S for comfort and efficiency. This combines to give MTBers confidence to overcome any new obstacle. We have involved real MTBers at every stage of this bike's design process. And we hope the that Rockrider ST 520 S is everything you could hope for to give you excellent MTB rides.

        A UNISEX MOUNTAIN BIKE

        Men's or women's mountain bike? This Rockrider ST 520 S is unisex. For greater comfort, the women on our mountain bike team recommend replacing the saddle with the Women's 500 Sport saddle, which is adapted to women's bodies. A range of Rockrider mountain bikes specifically designed to fit female body shapes is also available (specialized saddle, stem, fork, and brake grips).

        HOW DO I CHOOSE MY MTB SIZE?

        Several sizes available: S: between 1.50 m and 1.64 m (4'9"-5'3") M: between 1.65 m and 1.74 m (5'3"-5'7") L: between 1.74 m and 1.84 m (5'7"-6') XL: between 1.85 m and 2.00 m (6'-6'5") If you are on the limit between 2 sizes: Choose the smaller size for easier steering (easier to handle) and comfort (straighter back). Choose the larger size for easier pedalling with a more stretched-out position (position more suited to performance).

        A LIGHT, COMFORTABLE FRAME

        We've used 6061 aluminum for this Rockrider Sport frame for greater lightness. The result: only 2.9 kg in size M (without shock). Its 120mm rear shocks rest on a monopivot system (more sensitive to small impacts on terrain, while remaining firm during large impacts) and on sealed bearings for a great lifespan.

        THE FRONT 120 MM SUSPENSION

        The hydraulic 120 mm fork means you can easily ride over any obstacles (roots, rocks, stones, mud). Directly adjust the stiffness of the suspension to your weight, from 55 kg to 105 kg, to more easily travel over roots and stones. This is all thanks to the UFIT concept (exclusive to Decathlon). Easy: simply turn the adjustment wheel! Built into the right damper, its quick-release system helps prevent bobbing on smooth sections.

        THE REAR SUSPENSION: GREATER COMFORT

        That is why our designers fitted the ST 520 S with a U-FIT hydraulic spring shock that is lightweight and specifically designed for this frame. You can easily adjust it based on your weight using the Schrader valve, which creates a very good balance between sensitivity and performance.

        TRIPLE CHAINWHEEL DRIVETRAIN AND DERAILLEUR

        3 8-speed chainwheels, or a wide range of 24 speeds! 2 quick shifters on the handlebars. Left (chainwheels): control ascents/descents. Right (speeds): more precise control over your pedalling. In detail: - Triple chainwheels 22, 32 and 42 teeth - SHIMANO Altus front derailleur - SRAM X3 rear derailleur - SRAM X4 shifters, with speed indicators - SRAM PG820 8 cog cassette, 11 to 32 teeth

        HANDLEBARS, STEM, GRIPS

        The controls of the ST 520 S fall straight under your hands thanks to the adjustable stem. The all-aluminum B'Twin stem is 70 mm (size S), 80 mm (size M/L), or 90 mm (size XL) and can be raised using 5 adjustment intervals: + 0 mm, + 7.5 mm, + 15 mm, + 22.5 mm, + 30 mm. In detail: - Aluminum B'TWIN SPORT "oversize" handlebars are 660 mm (size S and M) or 680 mm (for L and XL) wide - B'TWIN SPORT "soft touch" grips for a good grip and comfortable feel

        COMFORTABLE, SPORTY SADDLE/SEAT POST

        Our teams conceived and designed an exclusive saddle for this bike. Suitable for all hip sizes, its "hammock" shape is particularly good for sport touring. With a 29.8 mm diameter and 400 mm long, the aluminium B'TWIN SPORT seat post combines low weight and a wide range of adjustments for a more raised riding position. Quick and easy tool-free adjustment of your saddle height using the adjustment lever on the seat post clamp.

        MECHANICAL DISC BRAKES: GET A GRIP ON YOUR BRAKING

        The Hayes M-X5 160 mm mechanical double disc brakes provide powerful, progressive braking to the front and rear. While the aluminum Tektro brake levers are light, precise, and easy to hold. Just two fingers are all you need to brake. Try to get your brakes adjusted at least once a year.

        27.5" DOUBLE-WALLED RIMS & ALL TERRAIN TIRES

        Take on obstacles! The aluminum Aero Trail Evo wheels are robust and effective: 27.5" double-walled rims. Their diameter is the perfect balance between comfort and performance. With their 28 spokes, they are lightweight, stiff, and durable. The exclusive B'Twin All Terrain Light 27.5" x 2.0 (rear) and 27.5" x 2.1 (front) tires have a system of lugs specially designed for all terrain use, to travel with you on any type of surface during your mountain bike touring.

        PLATFORM PEDALS

        The ST 520 is supplied with platform MTB pedals mounted on bearings, made from resin for light weight and safety. If your foot slides on the pedal, there's less risk of injury.

        EASILY TRANSPORT AND STORE YOUR MOUNTAIN BIKE

        Not all rides start on your doorstep. Need to remove the front wheel? It's easy thanks to the integrated clamping lever. And the rear wheel? There is a nut at the back to secure the bike and limit the risk of theft. A flat wrench is needed to remove the rear wheel. A bike carrier will make your life easier if you want to avoid dirtying your car.

        ACCESSORIES

        Your ST 520 mountain bike is supplied with a bell, lights, wheel reflectors, and pedals. The frame is compatible with: - front and rear fenders, - stand, - bottle cage (500 ml bottle), - saddle bag, ...

        OUR ADVICE FOR YOUR FIRST FEW RIDES

        Tip No.1 When mountain biking, there is always the risk of a fall: don't forget to wear a helmet. Tip No.2 Even if the saddle is comfortable, cycling shorts with a pad (saddle-shaped foam) are a real plus for preventing glute pain. Tip no.3 If you don't want to stop to drink, bring water in a bottle or water bladder to access it while riding. Tip No.4 Punctures are always possible, remember to bring a repair kit.

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        Reviews

        4.4/5 20 reviews
        17 of 20 people recommends this product
        Post a review
        It Does Everything I Need and Want
        Mike (Canada) Used for 2 to 8 weeks
        I love this bike. I ride with a couple of guys on their $5000 bikes, and I honestly can't see how my experience is any different than theirs... at 1/10th the price!
        First full suspension bike
        Colin (United Kingdom) Used for More than 1 year
        Fantastic bike,upgraded the gears to a narrow wide chain ring and new cranks and hydraulic brakes and a rear air shock,really brought the bike to another level,I use it every day to ride to work and I'm out every weekend because i really do enjoy my bike,having a lifetime warranty on the frame is very reassuring as I plan more upgrades and keeping the bike as long as possible
        Mountain bike
        Cristy (United Kingdom) Used for 2 to 8 weeks Verified purchase What is a review "Verified purchase" ?

        Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

        We can confirm purchases for the reviews expressed on a request by e-mail after purchase or when the customer has this review from his personal space.

        If review is not marked as "Verified purchase", this does not mean that the author's review has no experience with the product may have given his review directly on the site without unique identification, or the product has been offered or paid.

        The label "Verified purchase" lets help you judge the reliability of a review.
        Plastic Derailleur broke after doing a wheelie ,ping the chain up into the frame and got wedge.
        The service man told me its because it was probably in the wrong gear ????????
        NEEDS THRU AXLE
        Oliver (United Kingdom) Used for More than 1 year
        This bike would be absolutely perfect if it had thru axle mounts instead of the old style dropouts,

        All bikes should be using this system instead of the outdated skewer axles, so unfortunately i cannot recommend the Rockrider 520S at this current time..
        ST 520 Mountain Bike
        Stephen (United Kingdom) Used for 2 to 8 weeks Verified purchase What is a review "Verified purchase" ?

        Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

        We can confirm purchases for the reviews expressed on a request by e-mail after purchase or when the customer has this review from his personal space.

        If review is not marked as "Verified purchase", this does not mean that the author's review has no experience with the product may have given his review directly on the site without unique identification, or the product has been offered or paid.

        The label "Verified purchase" lets help you judge the reliability of a review.
        Bike is great for the money, nice and smooth on the single tracke and trails, everything worked fine straight from the box.
        Bought this one after my other (the earlier model 2 years ago) got pinched. So I knew what I was getting. Although slightly more expensive than the old model it is improved, front forks and rear spring better quality and the 27.5" wheels are better than the old 26".
        excellent bike
        darren (United Kingdom) Used for 2 to 8 weeks Verified purchase What is a review "Verified purchase" ?

        Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

        We can confirm purchases for the reviews expressed on a request by e-mail after purchase or when the customer has this review from his personal space.

        If review is not marked as "Verified purchase", this does not mean that the author's review has no experience with the product may have given his review directly on the site without unique identification, or the product has been offered or paid.

        The label "Verified purchase" lets help you judge the reliability of a review.
        very well built very tough very rugged and extremely good looking and superb value for money
        Mountain bike purchase
        Paul (United Kingdom) Used for 2 to 8 weeks Verified purchase What is a review "Verified purchase" ?

        Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

        We can confirm purchases for the reviews expressed on a request by e-mail after purchase or when the customer has this review from his personal space.

        If review is not marked as "Verified purchase", this does not mean that the author's review has no experience with the product may have given his review directly on the site without unique identification, or the product has been offered or paid.

        The label "Verified purchase" lets help you judge the reliability of a review.
        Picked up the bike and impressed with the look, quality and build

        have used it a few times and feels comfortable and sturdy, will put it though its paces off road properly soon.

        Would recommend this to all.
        Response of the brand

        Hello Paul,


        We thank you very much for your positive feedback and we are really happy that you enjoy the bike.

        We thank you for shopping with us and we hope to see you again in our store.

        Have a nice Sunday!


        Decathlon Milton Keynes

        Brilliant bike
        Jonathan (United Kingdom) Used for More than 2 years Verified purchase What is a review "Verified purchase" ?

        Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

        We can confirm purchases for the reviews expressed on a request by e-mail after purchase or when the customer has this review from his personal space.

        If review is not marked as "Verified purchase", this does not mean that the author's review has no experience with the product may have given his review directly on the site without unique identification, or the product has been offered or paid.

        The label "Verified purchase" lets help you judge the reliability of a review.
        Quality ride
        Quality bike for money
        david (United Kingdom) Used for 1 week or less Verified purchase What is a review "Verified purchase" ?

        Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

        We can confirm purchases for the reviews expressed on a request by e-mail after purchase or when the customer has this review from his personal space.

        If review is not marked as "Verified purchase", this does not mean that the author's review has no experience with the product may have given his review directly on the site without unique identification, or the product has been offered or paid.

        The label "Verified purchase" lets help you judge the reliability of a review.
        Nice sturdy solid bike for a nice good price not over priced
        Great bike
        Sarah (United Kingdom) Used for 2 to 8 weeks Verified purchase What is a review "Verified purchase" ?

        Where review is marked as "Verified purchase" confirmed by Decathlon, this means that we could verify that the client who filed this opinion has purchased the product from us.

        We can confirm purchases for the reviews expressed on a request by e-mail after purchase or when the customer has this review from his personal space.

        If review is not marked as "Verified purchase", this does not mean that the author's review has no experience with the product may have given his review directly on the site without unique identification, or the product has been offered or paid.

        The label "Verified purchase" lets help you judge the reliability of a review.
        Good sturdy bike, nice design, son loves it was his choice, can't keep him off it!
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