27.5 inch womens mountain bike rockrider st 120 - navy
Store Availability
Store Availability
BENEFITS
Directional control
Control your trajectory: cable disc brakes, tyres with side knobs
Ease of use
Adjust your speed without thinking: 9-speed single-chainring drivetrain.
Lifetime warranty
ROCKRIDER offers a lifetime warranty on the frame, handlebar and stem.
Efficiency
Pedal efficiently: light aluminium frame, 9 speeds and fast tyres.
Cycling comfort
Enjoy touring: raised position, 80 mm suspension, hammock saddle, FLEX seat post
Robustness
An ultra-strong MTB: welded saddle, double-wall rims.
Instructions
DownloadTECHNICAL INFORMATIONS
Which is the right size?
Several sizes available:
S: between 1.50m and 1.64m
M: between 1.65 m and 1.74 m
L: between 1.75 m and 1.84 m
XL: between 1.85m and 2.00m
To adapt the MTB 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.
UNISEX FRAME
A top tube with a relatively pronounced slope, over a wide range of sizes (S: 1.50m to XL: 2.00m),
The ST 120 mountain bike has a UNISEX frame.
As a WOMAN, if you choose the MEN'S model, we recommend at least purchasing the WOMEN'S SPORT 500 saddle which is fitted to the female form.
A WORD FROM THE TEAM
Our team of mountain bike enthusiasts created this ST 120 mountain bike at our B'Twin Village in Lille, France.
Recreational mountain bikers told us they wanted comfort, effectiveness and durability. Based on that, we designed and tested the ST 120 mountain bike, involving MTB riders at every stage.
A LIGHTWEIGHT, COMFORTABLE, FUN FRAME
Our designers created a frame that's easy to get onto.
The 100% aluminium 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.
Front suspension
The 80 mm front suspension helps you get started with overcoming obstacles on slightly uneven trails easily.
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.
REAR SUSPENSION: None
This mountain bike has no rear suspension.
It is a "semi-stiff" mountain bike: perfect for beginners launching themselves into their first mountain bike touring rides. Compared to a full suspension mountain bike (with rear suspension), the advantages are clear: this mountain bike is lighter; you spend less energy on flat ground.
DERAILLEUR & DRIVETRAIN: A SINGLE CHAINRING LIKE THE PROS!
The single chainring is easy and efficient to use:
1 chainring and 9 speeds.
Accelerate on the flats and easily tackle the climbs.
With a single lever on the handlebar, you can change gears while hardly thinking!
-ROCKRIDER FC ATB 100 - 32-tooth single chainring equipped with 2 chain guides (anti-derailment)
-MICROSHIFT RD-M46-L rear derailleur
-MICROSHIFT SL-759 right shifter
-MICROSHIFT H092 9-cog cassette (11-36 teeth)
-Wide, sturdy KMC Z9 chain
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 (350mm or 400mm long depending on the bike size). Its smaller 27.2mm diameter provides your seat with natural flexibility, 30% more than a standard solution.
MECHANICAL DISC BRAKES
The Tektro TKD 68 160 mm double disc brakes provide powerful, progressive braking at the front and rear. The aluminium Tektro brake levers are precise, and easy to hold.
The brakes can be applied using only two fingers.
3 or 4 sets of 10 dry, intermittent stops are enough to break in your pads.
We recommend that you have your brakes checked at least once a year.
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.
Start overcoming obstacles fearlessly, including small rocks, cracks, holes and bumps!
Because your first rides will be on dry ground, the Dry 27.5 x 2.0 tyres are most suitable. Their performance is optimised thanks to the rounded central section, whilst the side lugs provide good grip on turns.
Platform pedals
The Rockrider ST 120 mountain bike comes with resin mountain bike platform pedals for lower weight and increased safety.
If your foot slides on the pedal, there's less risk of injury.
TRANSPORT & STORAGE
We added a quick release system for easily removing/reattaching the front wheel.
Our advice: a bike rack is an easy way to transport your mountain bike without dirtying your car.
Accessories
The ST 120 mountain bike comes 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
composition
composition
Frame: 100.0% Aluminium
Tips for storage and maintenance
Storage tips
After washing, rub with a dry cloth to remove all traces of moisture. Store your mountain bike in a cool, dry place, away from corrosive products and salty air.
Restrictions on use
Not suitable for XC, All Mountain, Enduro and BMX.
TESTS AND WARRANTY
Test product
Our engineers always have real riders test all our products in real conditions. These tests round out our lab tests and let us validate all our products before they hit store shelves.
Parts guarantee
Lifetime (frame, stem, handlebar). Availability of spare parts: 2 years.
Videos
Our Ecodesign Approach
Our ecodesign approach reduces the environmental impact of our products.
We’ve examined the environmental footprint of this product in order to identify how we can produce it in a more sustainable way. With this knowledge, our design teams were able to develop this product while significantly reducing its environmental impact.
Sustainable design measures implemented on this product.
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Environmental ImpactDesigned to reduce environmental impact
Product made with a CO2eq reduction of 16% compared to the previous or similar product
Our design teams are working to develop processes that will reduce the impact of a product, while preserving its technical characteristics. This reduction relates to the following indicators: climate change, air pollution, water pollution and resource depletion.