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Rockrider 300 24" Mountain Bike

€ 143.99

Designed for children ages 8 years and up (1.35 m to 1.55 m) who are getting started with mountain biking.

More details
SKU: S12798 (135793)
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Available online

Delivery in 7 to 8 days

Our e-commerce is suspended for a transition period. We expect to be back soon!
Product benefits
  1. Ease of use
    Ease of use
    MTB equipped with 6 speeds, with brake levers adapted to children's hands.
  2. Lifetime warranty
    Lifetime warranty
    B’Twin offers a lifetime warranty on the frame, stem, handlebar and rigid fork.
  3. Durability
    Rear derailleur guard. Reinforced saddle.
  4. Lifetime warranty
    Lifetime warranty
    B’Twin offers a lifetime warranty on the frame, stem, handlebar and rigid fork.
Details
  • Size
    24 inches
  • Colours
    Black
  • Weight
    14.75 kg
Product feature
  1. Why have we created a brake lever specifically for children?
    Because children have smaller hands than adults, it's not always easy for them to reach the brake lever. This is why our engineers and designers have designed a brake lever closer to the handlebars that is easier to hold. The brakes are now in reach of little hands!
  2. Controlled braking
    Two V-Brake pads for effective braking. These brakes are composed of callipers that exert more or less pressure on the rim to slow or stop the rotation of the wheels.
  3. Changing between gears
    This bike is equipped with a grip shifter to change between the 6 speeds: an easier and safer system as the child doesn't let go of the handlebars. Changing gear to the type of terrain is easy as pie!
  4. Frame designed for MTB
    This robust steel frame is designed to overcome obstacles on all your MTB outings.
  5. A reinforced, ergonomic saddle
    A saddle with a sporty design, designed with care to adapt to the morphology of children. It is equipped with a plastic section on the rear (a bumper) to protect against any impacts.
  6. 24" wheels and MTB tyres
    To transport the bike, we’ve made it easy to remove and attach the front wheel. It is equipped with a quick-release system. The tyres are designed for mountain biking. The side lugs provide good grip when turning. The recommended pressure is indicated on the tyre sidewall. 24-inch 1.7 to 2.2 cross-section inner tube with Schrader valve.
  7. MTB fittings
    This MTB is equipped with a bell, lighting, wheel reflectors and a derailleur guard. The frame is pre-drilled to attach a bottle cage if needed. The frame is also compatible with other B'Twin accessories: - front and rear mudguards - stand - rear pannier rack
  8. Dimensions of the bike ready to use
    Length: 160cm.Height: 100cm. Width: 56cm.
Product testing
  1. Composition
    Frame : 100.0% Steel
  2. Storage advice
    Store the bike in a clean, dry place. Clean and grease the chain regularly. Our tips for before each ride: inflate the tyres to the pressure indicated on the sidewall.
  3. Cleaning advice
    We recommend reading and following the maintenance instructions found in the user manual that comes with your B'Twin bike.
  4. Product restrictions
    Wear a cycling helmet.
  5. Product catchline
    Fully-equipped, 24-inch bike for learning recreational mountain biking. With its rigid fork and 6 speeds with grip shifter, children can ride along any kind of paths or trails.
Product reviews
4.5 / 5
26 reviews
26 users recommend this product
Write a review
  • Excellent bike

    13/08/2018
    Julie (United Kingdom)
    Used for 2 to 8 weeks
    Really pleased with this bike for our 8 year old son. Seems sturdy and well made. A few gears which he is delighted with and helps. Slightly heavy gor lifting in/out thr car
  • Great bike

    07/08/2018
    Christine (United Kingdom)
    Used for 2 to 8 weeks
    Bought for 8 year old granddaughter as a birthday present and she's never off it.
  • Versatile bike but only average build quality

    24/07/2018
    ANTHONY (United Kingdom)
    Used for 2 to 8 weeks
    Bought this for my 8 year old for his birthday and he loves his cycling. We made a 160 mile round trip just to collect it. The first week he used it the front brake fell apart on several occasions (4-5 times a day) which was obviously dangerous. In order to get it repaired I had to do another 160 mile round trip, 4 hours wasted back to Glasgow.

    I was told that if it happens again (re-assuring) then there is no point in going back. I had to phone them and they would tell me how to fit it over the phone. Couple of issues with this; I know how to fix brakes and it is not a repair but a replacement part that is needed. Secondly, if it is a further repair then why not tell me when I was in the shop how to fix it?

    So, I am effectively left with a kids bike that my son is not keen to ride (the brake has fallen apart a couple of more times since the repair was done), that the shop does not want back and the only effective way to repair it is for me to spend money on replacement parts...

    I could have spent a little more on a similar bike but bought it locally. This way I would not have to waste time and money to keep getting it repaired.
  • nice bike, terrible set-up instructions

    24/07/2018
    Sile (United Kingdom)
    Used for 1 week or less
    The bike is great for the money - it's very heavy compared to some of the more expensive child focussed brands but at less than half of the price that's to be expected. The set-up instruction manual is a travesty though. It seems to not be be specific to this bike so there's a lot of guesswork involved. Clear instructions that name and identify all the parts and tools at the start then take you through what this bike need to have done to it one step at a time (along the lines of a well known furniture flat-pack retailer) would be much more helpful. We had a random red piece of metal left over and no clue what it was for - I've just worked out from the pictures on the website that it's a guard for the gear derailleur but there were no clues in the instructions at all.
  • 24" wheeled kids bike .

    22/07/2018
    Jack (United Kingdom)
    Used for More than 2 years
    Great wee starter bike where you don't want the kids to struggle with to many gears and the weight of ineffective suspension .
    Good grippy tyres , pedals with easily adjusted seatpost/saddle.
    My child has autism and balance isn't great but he took to the bike in no time and is now heading out with me for local rides .
    Highly recommend this bike not just for quality but for s fantastic price too.
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