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20 Inch folding bike Btwin 100 - Black

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Sale price: 1,225 SAR

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Want to enjoy the beautiful weather by going for a nice ride? Put your Tilt 100 into your boot and set off for the great outdoors!

Are you looking for a bike that can easily be taken anywhere at a low price? The Tilt 100 is a practical, simple bike that's ideal for cycling on flat terrain in urban areas and on the coast.

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Sale price: 1,225 SAR

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Product Features

A photo of the 20 Inch folding bike Btwin 100 - Black in use

Easy transport

Takes just 30 seconds to fold so you can quickly unfold, ride and carry it!


Choose it for its efficiency thanks to the 20" wheels and its single speed.

Compact design

Folded: (L/H/W) 78x66x41.Unfolded: (L/H/W) 144x112x58.


13.3 kg

Lifetime warranty

Lifetime warranty on the frame, stem (excl. hinge), rigid fork and handlebar.

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Product Reviews

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1423 reviews

20 Inch folding bike Btwin 100 - Black
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Good bike spoilt by chain issues

This is basically the same frame as the BTwin 120 but with one gear instead of 6. And therein lies the problem. Because there is no deraillier to give the chain a bit of tension it starts to move around progressively more the more stretched and worn the chain becomes. I've owned my bike for over 2 years now and I have had to do two things to help alleviate the problem temporarily. The first was to get a spanner and move the rear wheel further back into the rear dropouts as the chain stretches. The second was to replace the chain once there was no more space to move the wheel further back with a BMX chain which is slightly wider and tougher. The wheels and tyres are also not the toughest so you need to be careful over bumps and look out for glass. Keep all this in mind and it will get you home. It's just a shame you have to as it could have been a great bike with a little bit more investment.

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Unreliable and not sturdy

Had it for a day, rode it for 1/2 hours, weighing about 75kg but seat does indeed slip down on its own bit by bit. Furthermore the seat itself will start to turn. Folding is mechanism isn’t smooth and careful getting the handle stuck on the cranks. Heavy. Tyres were good and the frame was strong.

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Chain keeps coming off

Chain keeps coming of the bike

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A good inexpensive bike

This is a really good inexpensive bike for someone who has good to above moderate fitness level. The only problem with the bike it would break down every week or so, if you do not get the right things. So buyer beware make sure you buy spare lights, mud guard to protect the bike brakes, the good quality wheel tyres and the basics such as a helmet


Lovely bike and easy to assemble

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Fatme Ibryamova


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I bought this bike one month ago and in my first hour riding the bike, the brakes made an unbearable screeching noise and the chain pulled out from the crankset. However, I chose ignored that but looking back in hindsight, that was a poor decision. I should’ve just gone to return the bike because that was my undoing. I was cycling in Uxbridge and all of a sudden the chain pulled out which meant I couldn’t pedal anymore. I got hit by the car behind and broke my toes. Since then the bike chain has pulled out at least 9 times in 1 month of occasional use! In addition, a folding bike is supposed to be easy to carry around but this bike is unbearably heavy and the handle doesn’t stick properly when you fold it so it hits you every single time you carry it. Also, due to the chain problem, it’s incredibly difficult to ride fast. Sometimes I almost ride at walking pace because if I try to accelerate, the chains will most likely pull out and I definitely do not want to break more toes. At this point, I’m definitely done with decathlon. I’ve put the bike on the market for a fraction of the price hoping to get rid of it as soon as possible before it sends me to the cemetery because of its poor design.

It’s ok, expected more

Bike is heavier than expected, single gear was a complete pain and didn’t enjoy the slow pace of movement while peddling quickly. I expected the single gear to be a little less easy. Although I don’t know much about bikes. I liked how fast I could fold & unfold the bike. Overall the bike is awkward to carry, because of the way it folds down, it needs something to secure the wheels together and handle bars from moving around.

Hello Miriam,

Thank you very much for your feedback. We are sorry to hear that the product didn't meet your expectations. We hope that you can find a different product that suits you better in our range.

Thank you,

Injured due to faulty design - DO NOT BUY!

I wish I paid more attention to the bad reviews on this. An earlier review describes how the seat post came loose and this exact thing happened to me! I have another bike and have been riding on road for a while so am very comfortable riding. I bought this to get my partner into cycling and took it out to test before him. I was riding for no more than 2 mins when I noticed the brakes were very tight so not adjusted well. This was manageable and thought I would just go to get it greased/oiled later. But then after about 5 mins riding I went over a hump and the seat post fell through and scraped the ground. The sudden force made me fall sideways and I have scraped my leg and hand. Luckily no cars were about or else it could have been a lot worse. This product is dangerous! It’s poor design/setup so I would not recommend.

Heavy, not fun riding

I wish I would pay litle bit more and get better one. It's heavy, and useles. It's definetly not suitable for and adult

Exactly what it says on the packaging

Decent entry level folding single speed bike. Ideal for short commute to work. Really love this wee bike excellent for flat roads

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tilt 100

good bike, shame about the service from decathlon, canada water, London.

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Superb Bike!

This bike is awesome. It’s so fast considering it’s a single gear bike. I bought your Bfold 3 single gear bike in 2014 and needed another folding Bike for my household. Just what I need and more!

It does what you paid for and it looks nice!

For this price, you cannot go wrong! It takes seconds to fold/unfold and it's a pretty nippy bike. There's no suspension/gears, which isn't a problem if this is used as a weekend bike/ not taken off road/ used vigorously. I'm going to enjoy this bike and might purchase one for a couple more for two teenagers to get them out of the house during lockdown!

Very Dangerous Bike

This is Avery very dangerous bike. Though I had really liked it initially for the price but twice I got saved from accidents and one of them could have been very serious . With the slightest of the jerk seat bar went down to the road and I fell off the cycle, once it happened on pavement so wasn’t serious ofcourse the hand and back hurt for a few days but the second time it happened, I was on a crossing and just before getting on the other side, the seat bar went down, thankfully my speed was slow so I could save myself from a bad fall but there were cars that were turning in the road and they had to break suddenly. I was so damn scared , am a patient of hypertension and that incident had caused my pulse rate to cross 200(thanks to my smart watch for showing this little information later). Thankfully my husband was riding along and he came to the rescue. This incident happened on 22nd nov 2020 and the bike has been kept in garage since. I am too too scared to even think of riding it...I am yet to speak to Decathlon for a refund, and I will post a review of the support provided. Yes, I have used this bike for more then a month and had loved it too but since the 2nd accident my review for this bike has completely changed!!! Don’t ever get alluded by this bikes low price, it’s a big risk to life!!!

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Additional Product informations



  • 100% Steel


Hi-Ten steel frame.The easy lateral-fold system means the bike takes up little space: at home, at the office, in the boot of a car or in a camper... you'll forget your bike is even there.In order to improve your bike's stability once folded, the frame is equipped with a bike stand under its base.


Hi-ten steel fork for greater durability.


This single-speed drive train has been developed for various riding conditions. Easy to set off and also fast on the flat. 165 mm cranks, 44-tooth chainring, 16-tooth freewheel cog.Development: 3.80 m travelled for one turn of the pedal.


Steel V-brake and callipers guarantee effective and progressive braking.

Handlebar / stem / steering

Steel low-rise bars with a rise of 60 mm to adjust your position on the bike to suit your body and make the bike easier to handle.Handlebar width: 560mm.Folding, non-adjustable stem made from aluminium for increased rigidity.Distance from saddle to handlebar: 540 mm. Bottom bracket to saddle distance: min. 520 mm - max. 740 mm.

Saddle/seat post

Comfortable, seamless foam saddle and steel seat post (diam: 31.6 mm).


20-inch, single-wall rims. Steel hub.A wheel restraint system makes it easy to carry and store the folded bike.


20 x 1.75 gumwall city tyres.We have developed these tyres in order to provide the best compromise between performance and grip.


Non-folding pedals.Cranks: 165 mm.Double chainguard to stop your chain jumping and protect it from dirt.

Accessories / equipment

Front and rear battery-powered lights.


Bike compatible with: - the TILT transportation cover- the B'TWIN folding bike pannier rack- 20'' mudguardThe 100 folding bike is incompatible with a baby carrier or kids' bike trailers.

User size and weight

The geometry of this bike offers optimal comfort for cyclists measuring between 1.45m and 1.85m.This bike meets the requirements of the ISO 4210 standard for a cyclist weighing 100kg.

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