Specifications
Drivetrain
| Derailleurs | 3 x 8 speeds, 24 speeds total!2 shifters on the handlebar.Left (chainrings): control ascents/descents.Right (speeds): more precise control over your pedalling.In detail:-ROCKRIDER FC ATB 500 triple chainring - 22/32/42 teeth-SHIMANO ALTUS front derailleur-MICROSHIFT RD-M46-L rear derailleur-MICROSHIFT TS39 shifters-SHIMANO 8-speed cassette (11-32 teeth)-KMC Z7 wide and sturdy chain |
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Frameset
| Frame | With a heavily sloped top tube and a wide range of sizes (from S: 1.50 m to XL: 2.00 m).The ST 520 mountain bike frame is UNISEX.The ST 520 mountain bike is available with the same frame in a WOMEN'S version: fitted seat, narrower handlebar, shorter stem, fork with a more flexible spring, and brake levers that are closer together.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. - Our designers created a frame that's easy to get onto.The CGF frame (Comfort Geometry Frame) EVO is made of 100% aluminium for greater comfort. Its slope was carefully designed to keep your back straighter. |
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| Suspensions | front: 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 using the dial on the fork. - rear: 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: the mountain bike is lighter; you spend less energy on flat ground. |
Wheels
| Wheels | The 27.5" wheels of the ST 520 are tolerant and sturdy, with 19 mm double-walled rims with 28 spokes. Overcome your first obstacles without fear: small rocks, cracks, holes and bumps!Because your first tours 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. |
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Brakes
| Brakes | The Tektro TKD 68 double disc brakes provide powerful, progressive braking at the front and rear. The aluminium Tektro brake levers are light, precise, and easy to hold. The brakes can be applied using only two fingers.We recommend that you have your brakes checked at least once a year. |
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Components
| Handlebar | The adjustable stem brings the ST 520 controls to your hands. The all-aluminium ROCKRIDER stem is 70 mm (size S), 80 mm (size M/L), or 90 mm (size XL) and can be raised to 5 adjustment intervals: + 0mm, + 7.5mm, + 15mm, + 22.5mm, + 30mm.In detail:- 680mm oversize ROCKRIDER SPORT aluminium handlebar- ROCKRIDER SPORT "soft touch" ergonomic grips for good grip and a comfortable feel. |
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| Saddle | The ST 520's saddle fixing (welded) prevents any saddle movement as you cycle.Because your comfort is our next priority after 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 350mm or 400mm long (according to the bike size). Its reduced diameter of 27.2mm provides your seat with natural flexibility, 30% more than a standard solution. |
| Pedals | The Rockrider ST 520 mountain bike comes with flat mountain bike pedals made from hard resin for lighter weight and greater safety.If your feet can slide off the pedals when needed, there's less risk of injury.The pedals on the ST 520 are compatible with toe clips. |