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      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      BTWIN

      Rockrider ST 520 27.5 8sp Mountain Bike - Grey

      8511143
      $399.00
      $299.00
      -25%
      Tax included
      36 reviews
      33 of 34 people recommends this product
      product-sticker-Voluminous
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      • Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      Rockrider ST 520 27.5 8sp Mountain Bike - Grey
      Size:

      Size Guide

      My size is :

      Quantity

      Home Delivery
      Within 48 Hours
      Available
      Click & Collect
      Pickup in store within 4 Hours
      regular sporty mountain bike rides.

      Raised position, stem can be raised up to 3 cm, ergonomic saddle: comfort that also yields greater efficiency. 27.5" wheels, double disc brakes, 24 speeds.

      Bike frame: 100.0% Aluminium

      BENEFITS

      Cycling comfort

      Raised position. Ergonomic saddle. Height-adjustable stem. Soft-touch grips.

      Efficiency

      CGF Evo aluminium frame. 24-speed SRAM X3. Light, 27.5" Aero Trail Evo wheels.

      Precision

      Mehcanical disc brakes. Easy-handling frame geometry. Good tyre grip in corners

      Ease of use

      Innovative fork with easy adjustment based on rider's weight.

      Instructions


      TECHNICAL INFORMATIONS

      Design

      The RockRider 520 was designed and created in Suzhou, China, by a team of experts and cycling enthusiasts dedicated to designing our MTB Sport Touring line.
      Production was also done near Suzhou to be as close to our Decathlon stores as possible.

      Frame

      Rockrider CGF Evo (Comfort Geometry Frame) 6061 aluminium frame for 27.5" wheels.
      Comfortable seating position thanks to raised steering.
      Seat is 5 times more flexible than a standard frame thanks to a narrow 27.2 mm seat post.
      Low bottom bracket: helps keep the mountain bike stable in turns, and makes it easier to place foot on the ground.
      Open steering angle (69.5°): keeps mountain bike stable while riding.
      Short rear wheel base: bike is easy to turn.
      LIFETIME WARRANTY on the frame!

      Front suspension

      B'Twin U-Fit 80 fork, with 80 mm of travel and an innovative fork stiffness adjustment based on the rider's weight (55 to 105 kg). Durable thanks to the materials and fabrication processes used.
      Equipped with a mechanical spring and elastomer stoppers for maximum reliability and minimum maintenance.

      Drivetrain

      SRAM S200 triple-chainring chainset (22/32/42 teeth).
      SRAM X3 8-speed rear derailleur.
      Microshift MS22 front derailleur.
      SRAM X4 shifters with speed indicators.
      SRAM PG820 cassette, 8 cogs, 11 to 32 teeth.

      Brakes

      Tektro aluminium brake levers: lightweight and precise.
      Front and rear Hayes MX5 mechanical disc brake callipers: powerful, progressive braking, even in rainy and muddy conditions.

      Handlebar / stem / steering / grips

      B'Twin Sport Oversize aluminium handlebar; 660 mm (size S and M), and 680 mm (L and XL).
      Exclusive B'Twin aluminium stem, 70 mm (size S and M), and 80 mm (size L).
      Stem can be raised by up to 3 cm, with 5 settings (+ 0 mm, + 7.5 mm, + 15 mm, +22.5 mm, +30 mm).
      Semi-integrated A-headset headset—better sealed and integrated style.
      B'Twin Sport handles with grooves, 120 mm long: genuine comfort while riding.

      Wheels

      Aero Trail Evo aluminium wheels with double-walled rims: lightweight, stiff, and durable.
      27.5" diameter: the best balance of comfort and performance.
      Designed with 28 spokes to reduce weight while still ensuring rigidity and strength.

      Tyres

      Exclusive B'Twin All Terrain Dry 27.5" x 2.0 tyres with a central tread specially designed for fast performance.
      Side lugs provide traction in turns. Also includes a chart showing recommended pressure levels depending on the rider's weight (see markings on tyre sidewalls).

      Saddle / seat post

      Exclusive B'Twin Ergofit Evo saddle offers outstanding comfort thanks to its wider "hammock" shape and good distribution of pressure points regardless of the rider's pelvis width.
      B'Twin Sport seat post in aluminium for less weight.
      27.2 mm diameter provides the seat with a natural flex that's 5 times greater than a classic seat post.
      400 mm long, offering a broad adjustment range.

      Pedals

      Bike comes with mountain bike platform pedals with bearings, made from hard resin for lower weight and greater safety (less aggressive in case of pedal that slips).

      Weight

      14.35 kg in S without pedals.
      14.45 kg in M without pedals.
      14.55 kg in L without pedals.

      Accessories

      Frame can take a bottle cage, saddle bag, mud guard, stand, pannier rack.

      Compatible Accessories

      BASE KICKSTAND 500 ADULT 26-28 (Model Code 8302792)
      BASE AND SEAT KICKSTAND 520 CN (Model Code 8401256)
      SEAT POST CARRIER 500 (Model Code 8387783)
      BIKE RACK 500 BCLIP DISC (Model Code 8364376)
      ST MUDGUARD SET CN (Model Code 8550005)
      FLASH MTB FRONT MUDGUARD - BLACK (Model Code 8327776)
      BABYSEAT 100 FRAME (Model Code 8486913)
      IN'RIDE 100 HOME TRAINER (Model Code 8402844)
      IN'RIDE 500 HOME TRAINER (Model Code 8487132)

      Warranty

      Lifetime warranty on manufacturing defects for all metal frames, rigid forks, stems & handlebars
      5 years warranty on all carbon frames & forks
      2 years warranty on all other parts Excludes damages arising from normal wear & tear, misuse, negligence and unauthorized modifications

      Reviews

      4.69/5 36 reviews
      33 of 34 people recommends this product
      Excelente bicicleta
      Oscar (Mexico) Verified purchase What is a "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 a review is not marked as "Verified purchase," this does not mean that the author's review has no experience with the product. They may have given their review directly on the site without unique identification, or the product has been offered or paid by someone else.

      The label "Verified purchase" let's help you judge the reliability of a review.
      Muy buen diseño, luce mucho además de que funciona excelente. Me encanto..
      excelente
      Roberto David (Colombia) Verified purchase What is a "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 a review is not marked as "Verified purchase," this does not mean that the author's review has no experience with the product. They may have given their review directly on the site without unique identification, or the product has been offered or paid by someone else.

      The label "Verified purchase" let's help you judge the reliability of a review.
      muy buena compra
      Response of the brand

      ¡Hola Roberto David!


      ¡Tus comentarios son muy importantes para nosotros!


      ¿Sabías que nuestros productos son testeados por deportistas? esto nos permite ofrecerte artículos con la mejor calidad y adaptados a tus necesidades deportivas.


      Esperamos que alcances todas tus metas con tus nuevos productos Decathlon.


      ¡Un saludo deportivo!


      Juan Camilo
      Jdhu
      Rice (Vietnam) Verified purchase What is a "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 a review is not marked as "Verified purchase," this does not mean that the author's review has no experience with the product. They may have given their review directly on the site without unique identification, or the product has been offered or paid by someone else.

      The label "Verified purchase" let's help you judge the reliability of a review.
      Tốt
      Justin Paul (Philippines) Verified purchase What is a "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 a review is not marked as "Verified purchase," this does not mean that the author's review has no experience with the product. They may have given their review directly on the site without unique identification, or the product has been offered or paid by someone else.

      The label "Verified purchase" let's help you judge the reliability of a review.
      Very easy to use and the maintenance isnt that hard
      Nice!!
      Christopher (Mexico) Verified purchase What is a "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 a review is not marked as "Verified purchase," this does not mean that the author's review has no experience with the product. They may have given their review directly on the site without unique identification, or the product has been offered or paid by someone else.

      The label "Verified purchase" let's help you judge the reliability of a review.
      Muy buena!!
      La mejor
      Nacho (Mexico) Verified purchase What is a "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 a review is not marked as "Verified purchase," this does not mean that the author's review has no experience with the product. They may have given their review directly on the site without unique identification, or the product has been offered or paid by someone else.

      The label "Verified purchase" let's help you judge the reliability of a review.
      Excelente para mi altura... Mi primeros días con ella excelente!!
      Balaji (Singapore) Verified purchase What is a "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 a review is not marked as "Verified purchase," this does not mean that the author's review has no experience with the product. They may have given their review directly on the site without unique identification, or the product has been offered or paid by someone else.

      The label "Verified purchase" let's help you judge the reliability of a review.
      Worth for money
      Bharath Arun (Singapore) Verified purchase What is a "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 a review is not marked as "Verified purchase," this does not mean that the author's review has no experience with the product. They may have given their review directly on the site without unique identification, or the product has been offered or paid by someone else.

      The label "Verified purchase" let's help you judge the reliability of a review.
      bottom bracket broken within 1month
      Response of the brand

      Hi Bharath


      Thank you so much for your review. We're sorry the Rockrider ST520's bottom bracket didn't meet your expectations on its quality.


      Please feel free to bring your bike to our professional mechanics at any of our experience stores (Singapore Lab, Orchard, City Square Mall, Northshore, Bedok or Joo Koon) so that we can run a diagnosis of the bottom bracket and do a recovery if required. As the bottom bracket is covered under warranty, do rest assured we will resolve the issue for you.


      Thank you and I wish you a pleasant week! :)


      Sport on safely!


      Joel

      Digital Sport Leader

      Entry MTB for beginner
      Woo Sek Yin (Malaysia) Verified purchase What is a "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 a review is not marked as "Verified purchase," this does not mean that the author's review has no experience with the product. They may have given their review directly on the site without unique identification, or the product has been offered or paid by someone else.

      The label "Verified purchase" let's help you judge the reliability of a review.
      Bought it from Decathlon Paragon Penang with free delivery from KV. It was received after a few days later.
      The bike has a small tyre leakage at the front wheel.
      I contacted Najwa and she arranged Lalamove to return the bike and got it fixed before sending it back to me without extra cost. Good job, thank you!
      Response of the brand

      Dear Woo Sek Yin, 


      Thank you for taking the time to give our product and service a 5-star rating. We are delighted that we are able to impress you with the quality of our products and services towards customers. We appreciate your dedication to Decathlon and please let us know if there is anything else we can do in the future by calling us at 04-266 3157 or email us at decathlon.malaysia@decathlon.com. 


      Thank you again for your time and we look forward to seeing you soon!




      'Afina

      Excelente compra
      Emilio Neri (Mexico) Verified purchase What is a "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 a review is not marked as "Verified purchase," this does not mean that the author's review has no experience with the product. They may have given their review directly on the site without unique identification, or the product has been offered or paid by someone else.

      The label "Verified purchase" let's help you judge the reliability of a review.
      Me gusto mucho