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Hydraulic disc brakes: Greater efficiency

All Bikes Cycling - Rockrider 520 Mountain Bike B'TWIN - Bikes
Reference : 8293188
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B'TWIN Rockrider 520 Mountain Bike

B'TWIN
mountain bike racing and endurance.

To view our full range visit our mountain bikes category.

Size

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Decathlon

until £330.00 - %

From £330.00**

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Price in store £0.00 £330.00 **

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From and limited stock

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Free delivery with Click & Collect
From : 06/09/2015 with this item

Delivery Info: When buying a bike online, pedals are not fitted and the stem/bars are not adjusted. View this video to see how to correctly set up your bike at home.

Our customers pictures

Product benefits

    • User comfort
    • Raised position. Lamellar grips. Covered saddle. 100 mm fork.
    • Efficiency
    • Double, hydraulic disc brakes. Forks with lockout feature. SHIMANO 27-speed.
    • Ease
    • Lock your fork by hand in an instant.
    • Lifetime warranty
    • B’TWIN guarantees the frame, stem and handlebars for life.
    • Precision
    • HUTCHINSON Python tyres: A golden standard in grip and performance.
  1. Guarantee : Frame, handlebars and stem have a lifetime warranty. 2-year warranty for parts (excl. wearing parts)

Product information

Size
S:150-165; M:165-175; L:175-180; XL:180-195
Colours
Black / White / Red
Wheel size
26 inches
Suspension
Suspension fork
Weight
13.4 kg in S without pedals

your reviews

4.5 / 5

35 reviews

33 people recommend this product

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Rockrider 520

Look/weight/quality/performance/delivery ect ect

None

27/08/2015

  (United Kingdom)

40-49 years old    Man

5 5

used for 3 to 6 months WOW I have bought a few bikes over the years and this is miles ahead in quality! The look is epic .a real head turner:) the delivery was super fast and friendly van man ) the gears were all set up all I had to do was lift it out or the box and attach the handlebars took 2 mins and it was ready to rumble :O) I am so happy with this purchase best investment ever >>> looking forward to many miles in style 110% reccomended

Rockrider 520 Mountain Bike

Everything about the bike is ecellent.

Nothing disappointed me about the bike.

06/08/2015

  (United Kingdom)

40-49 years old    Man

5 5

used for 2 to 8 weeks Very good price for the quality and build of the bike. Took a few goes to get use to sharp hydraulic brakes, but no problems now. Very happy customer.

Please read if you are buying a rock rider 520mtb

Gears and chain slip

12/07/2015

  (United Kingdom)

30-39 years old    Man

2 5

used for 3 to 6 months This is the second bike of the same make from the same place that I have had problems with, the first time it was with the slipping of gears and with the noise from the chain witch I was told was my fault because of the way I changed the gears, but if I pay for 27 gears surly I should get to use all of them, but to be fair they could not fix the slipping of the gears and replaced the bike but this was after 4 visits and keeping in mind I'm a 130 mile round trip
So this time I have the same problem with the chain noise and a slight slip in the gears but I'm just going to wait for my free three month service and if they carnt fix it or hit out with some silly reason then I will be getting in contact with trading standards and will be expecting a full refund so that I can go and get a bike I can use because at the moment it sits in my kitchen not get used as I have lost all faith in btwin bike and decalthon

Response of the brand

Dear Sir,
Thank you for taking the time to give us a review of your bike. I'm sorry to read that the gears have not worked as well as expected.  We have fitted the Shimano Acera drievetrain on this bike.
I have asked the store to contact you directly to try to get you out enjoying your bike as quickly as possible.
Our apologies for the annoyance this has caused.
Regards,
Peter Lazarus UK Cycling Market Manager DECATHLON

Stephen found this review helpful

nice bike

good price for this bike and good quality

3th and 4th gear change not very smooth for mine

07/07/2015

  (United Kingdom)

30-39 years old    Man

4 5

used for 1 week or less good price and quality for this rockrider 520.

Rockrider 520

lightweight but sturdy.Hydraulic disc brakes

nothing

29/06/2015

  (United Kingdom)

40-49 years old    Man

4 5

used for 2 to 8 weeks for the money you really cant go wrong with this bike. I would like to see it in a choice of wheel sizes up to 29 inch rims.

Technical Information

  • 1

    Frame BTWIN SPORT MTB frame, in strengthened 6061 aluminium.
    Sports geometry, perfect for racing and endurance cycling.

  • 2

    Fork Rockrider XCR 100 mm lockout fork by SR Suntour.
    Lightweight and durable hydraulic fork cartridge.
    Preload adjuster and lockout.
    100 mm travel.
    Magnesium blades.
    The damper finish ensures long-lifetime.

  • 3

    Suspension No rear suspension.

  • 4

    Drive train MIRANDA BETA BLACK aluminium 22x32x42 crankset Shimano X50 front derailleur;
    Shimano ACERA rear derailleur;
    Shimano ACERA 9-speed shifters;
    SRAM PC951 chain;
    PG950 9-speed cassette 11 X 32.

  • 5

    Brakes AURIGA Comp 160 mm, hydraulic disc brakes at the front and rear for greater braking power and precision, even in extreme conditions (e.g. mud).

  • 6

    Handlebars Rockrider SPORT handlebars with oversized diameter: oversized diameter for greater stiffness and more accurate steering.
    Width from 600 mm (S) to 640 mm (M, L and XL).

  • 7

    Stem Oversized Rockrider SPORT stem (oversized diameter), with a 6° rise. Length: 90 mm (S), 100 mm (M) and 110 mm (L and XL).

  • 8

    Steering Aheadset Rockrider SPORT headset, 1⅛".

  • 9

    Saddle Rockrider SPORT LIGHT saddle.

  • 10

    Seat post Rockrider SPORT seat post: diameter 29.8 mm, length 350 mm.

  • 11

    Wheels RIGIDA SPHINX 32-hole, double-walled rims.
    Watertight Formula DC19/DC22 disk ready hubs,
    2 mm diameter stainless steel spokes: resistant to shocks and corrosion.

  • 12

    Tyres Hutchinson Python tyres with versatile profile: a market benchmark.

  • 13

    Pedals Wellgo MTB platform pedals with toe-clip for holding the foot firmly in place.

  • 14

    Accessories Possibility to add accessories (bottle cage, mudguards, bag under the saddle, pannier rack at the rear, etc.).

  • 15

    Weight 13.4 kg in size S without pedals.

  • 16

    Electric assistance No electric assistance.

Information / Concept / Technology

Stock advice

Store in a cool, dry place, away from corrosive products and salty air.

Care instructions:

Grease your chain regularly and check your tyre pressure often (recommended before each outing). Check your housing every three months and ensure screws and nuts are well tightened.

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