Rental of MTB randonnee st 120 black blue 27.5" bike
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Technical information

Weight

S: 15,1 kg M: 15.2 kg L: 15.3 kg XL: 15.5 kg Net weight without pedals

A LIGHTWEIGHT, COMFORTABLE, FUN FRAME

Our designers created a frame that's easy to get onto. The 100% aluminum CGF frame (Comfort Geometry Frame) is both comfortable and easy to handle. The slope angle has been designed to keep your back straight, while the rear bases were shortened to make the bike very agile in turns.

Derailleur & drive train: A SINGLE CHAINRING LIKE THE PROS!

The single chainring is easy and efficient to use: 1 chainring and 8 speeds. Accelerate on the flat and take on climbs with no compromise. With a single lever on the handlebar, there's no need to even think! -ROCKRIDER FC ATB 100 - 32-tooth single chainring equipped with 2 chain guides (anti-derailment) -MICROSHIFT RD-M25-L rear derailleur -MICROSHIFT SL-759 right shifter -MICROSHIFT H081 8-cog cassette (11-34 teeth) -Wide, sturdy KMC Z8 chain

FRONT SUSPENSION

The 80 mm front suspension allows you to overcome your first obstacles with peace of mind on slightly uneven trails.Easily adjust the hardness using U-Fit technology (weight adjuster). Simply set the number to your weight (55 kg to 105 kg) using the dial on the fork.

27.5" WHEELS & TYRES FOR DRY TERRAIN

The 27.5" wheels of the ST 120 are tolerant and sturdy, with 19 mm double-walled rims with 28 spokes. Slow down without worrying about obstacles: small rocks, cracks, holes and bumps! Because the first hikes are on dry ground, the DRY 27.5 x 2.0 tires are the most suitable. Their performance is optimized thanks to a very rolling central part, while their side studs provide good grip in turns.

MECHANICAL DISC BRAKES

The Tektro TKD 68 160 mm double disc brakes provide powerful, progressive braking at the front and rear. As for the TEKTRO brake levers: are precise, and easy to hold. Just two fingers are all you need to brake. 3 or 4 sets of 10 dry, intermittent stops are enough to break in your pads. Remember to have your disc brakes serviced once a year.

HANDLEBARS, STEM, GRIPS

With a stem that tilts 10° upwards, the riding position of the ST 120 is raised, accessible, and comfortable. In detail: 90mm aluminium stem with an angle of 10° for maximum comfort - 640mm-wide steel handlebar, for stability and control -"Soft touch" lamellar grips for a firm yet soft and pleasant grasp.

Saddle

The saddle of the ST 120 is welded to prevent any movement of the saddle. And because your comfort is our priority after your safety, we've added an exclusive wider Ergofit saddle with a hammock shape. Easily adjust the height of your saddle with the Flex steel seat post, either 350 mm or 400 mm long (according to the bike size). Its reduced diameter of 27.2 mm gives your seat a degree of flexibility that is 30% greater than a conventional solution.

Sold flat pedals

The Rockrider ST 120 mountain bike comes with resin mountain bike platform pedals for lower weight and increased safety. If your foot slips off the pedal, you will be less likely to injure yourself.

TRANSPORT and STORAGE

We added a quick release system for easily attaching/removing the front wheel. Our advice: a bike carrier is a simple way to transport your mountain bike easily, without dirtying your car.

WHAT SIZE MOUNTAIN BIKE TO CHOOSE?

Several sizes available: S: between 1.50m and 1.64m M: between 1.65m and 1.74m L: between 1.75m and 1.84m XL: between 1.85m and 2.00m To adapt the bike to your height and size, try these tips: 1/ Sitting on the saddle, you should be able to touch the ground with the tips of your toes. 2/ To adjust the saddle height, your knee should be slightly flexed with the foot on the pedal in the lowest position. 3/ If you're between two sizes, choose the larger size.

Accessories

Your ST 120 mountain bike is supplied with a bell, lights, wheel reflectors and pedals. The frame is compatible with: -300 central stand (ref. 8172767) and 500 central stand (ref. 8172769) -100 bottle cage (ref. 8049106) and 500 bottle cage (ref. 8358133) -Mountain bike mudguard set (ref. 8385291) -100 saddle bag (ref. 8347394) and 500 saddle bag (ref. 8354448) -500 pannier rack (ref. 8364376) -100 frame child seat (ref. 8486913 and 8487125), from size M

ROCKRIDER

MTB randonnee st 120 black blue 27.5" bike

Designed for first-time cyclists. With its single chainring, you benefit from quick and easy gear changes
Services
Your bike is covered against accidental damage and breakage due to falls or impacts, up to its sale value including VAT.
Our service includes maintenance and replacement of worn parts.
Size
Minimum term
3 months CHF 45.00 / month
12 months CHF 25.00 / month
After your chosen plan, your subscription becomes flexible. Continue at the same rate and cancel anytime. Learn more
From
CHF 25.00 / month
Subscription available only in store
Accepted Payment Methods We only accept credit card CB, Visa or Mastercard. Prepaid cards are not accepted.
Services warranty
No deposit required
Return to any Decathlon store
Pick-up at Decathlon
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Wow... This page has gone off to play sports!

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Online subscription will be available very soon!
At this time it is only possible to subscribe in-store, but we are working on it and the online subscription will be soon available.

To subscribe in-store:
  1. Come to your favourite Decathlon store
  2. A teammate will check the stock availability and help you with the subscription process
  3. You will need a credit card and mobile phone to make the payment
  4. Take the product with you and enjoy the sport!
For more info take a look at our FAQ
Understanding minimum term
Choosing a minimum term is how you unlock our best pricing! The longer you commit, the more you save each month.
During your minimum term

For the duration you choose, your low monthly price is guaranteed. This is the minimum time you agree to keep your subscription.

After your minimum term

Once your initial term is complete, your plan becomes flexible. You'll continue month-to-month at the same great rate and can return your products at any time.

A key point on Pricing

Your monthly rate is based on the minimum term you choose at the start and does not change later. In case of early return, the whole commitment fee is due.

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Technical information

Weight

S: 15,1 kg M: 15.2 kg L: 15.3 kg XL: 15.5 kg Net weight without pedals

A LIGHTWEIGHT, COMFORTABLE, FUN FRAME

Our designers created a frame that's easy to get onto. The 100% aluminum CGF frame (Comfort Geometry Frame) is both comfortable and easy to handle. The slope angle has been designed to keep your back straight, while the rear bases were shortened to make the bike very agile in turns.

Derailleur & drive train: A SINGLE CHAINRING LIKE THE PROS!

The single chainring is easy and efficient to use: 1 chainring and 8 speeds. Accelerate on the flat and take on climbs with no compromise. With a single lever on the handlebar, there's no need to even think! -ROCKRIDER FC ATB 100 - 32-tooth single chainring equipped with 2 chain guides (anti-derailment) -MICROSHIFT RD-M25-L rear derailleur -MICROSHIFT SL-759 right shifter -MICROSHIFT H081 8-cog cassette (11-34 teeth) -Wide, sturdy KMC Z8 chain

FRONT SUSPENSION

The 80 mm front suspension allows you to overcome your first obstacles with peace of mind on slightly uneven trails.Easily adjust the hardness using U-Fit technology (weight adjuster). Simply set the number to your weight (55 kg to 105 kg) using the dial on the fork.

27.5" WHEELS & TYRES FOR DRY TERRAIN

The 27.5" wheels of the ST 120 are tolerant and sturdy, with 19 mm double-walled rims with 28 spokes. Slow down without worrying about obstacles: small rocks, cracks, holes and bumps! Because the first hikes are on dry ground, the DRY 27.5 x 2.0 tires are the most suitable. Their performance is optimized thanks to a very rolling central part, while their side studs provide good grip in turns.

MECHANICAL DISC BRAKES

The Tektro TKD 68 160 mm double disc brakes provide powerful, progressive braking at the front and rear. As for the TEKTRO brake levers: are precise, and easy to hold. Just two fingers are all you need to brake. 3 or 4 sets of 10 dry, intermittent stops are enough to break in your pads. Remember to have your disc brakes serviced once a year.

HANDLEBARS, STEM, GRIPS

With a stem that tilts 10° upwards, the riding position of the ST 120 is raised, accessible, and comfortable. In detail: 90mm aluminium stem with an angle of 10° for maximum comfort - 640mm-wide steel handlebar, for stability and control -"Soft touch" lamellar grips for a firm yet soft and pleasant grasp.

Saddle

The saddle of the ST 120 is welded to prevent any movement of the saddle. And because your comfort is our priority after your safety, we've added an exclusive wider Ergofit saddle with a hammock shape. Easily adjust the height of your saddle with the Flex steel seat post, either 350 mm or 400 mm long (according to the bike size). Its reduced diameter of 27.2 mm gives your seat a degree of flexibility that is 30% greater than a conventional solution.

Sold flat pedals

The Rockrider ST 120 mountain bike comes with resin mountain bike platform pedals for lower weight and increased safety. If your foot slips off the pedal, you will be less likely to injure yourself.

TRANSPORT and STORAGE

We added a quick release system for easily attaching/removing the front wheel. Our advice: a bike carrier is a simple way to transport your mountain bike easily, without dirtying your car.

WHAT SIZE MOUNTAIN BIKE TO CHOOSE?

Several sizes available: S: between 1.50m and 1.64m M: between 1.65m and 1.74m L: between 1.75m and 1.84m XL: between 1.85m and 2.00m To adapt the bike to your height and size, try these tips: 1/ Sitting on the saddle, you should be able to touch the ground with the tips of your toes. 2/ To adjust the saddle height, your knee should be slightly flexed with the foot on the pedal in the lowest position. 3/ If you're between two sizes, choose the larger size.

Accessories

Your ST 120 mountain bike is supplied with a bell, lights, wheel reflectors and pedals. The frame is compatible with: -300 central stand (ref. 8172767) and 500 central stand (ref. 8172769) -100 bottle cage (ref. 8049106) and 500 bottle cage (ref. 8358133) -Mountain bike mudguard set (ref. 8385291) -100 saddle bag (ref. 8347394) and 500 saddle bag (ref. 8354448) -500 pannier rack (ref. 8364376) -100 frame child seat (ref. 8486913 and 8487125), from size M

How does it work?
    • Find the product according to your needs and let the adventure begin!
    • Ready for an adventure? Select your product, pay and pick it up in store. For daily rentals you can pay in advance and pay online before you pick it up in store. If you do it in store all you need is your ID, a credit card and your smartphone with internet access.
    • You're all set! Now, it's time to dive into your sport with total peace of mind, just focus on the thrill of the experience and enjoy every moment.
    • After the commitment period, you can end your subscription rental at any time and return the product to any Decathlon shop. For short-term rental, no commitment period is required, simply return your equipment to any Decathlon shop. What's next? Start planning your next adventure!