RC520 Flat Bar Disc Road Bike


The bike is designed for regular rides on the road. It maintains comfort if you're often cycling long distances.

Our most comfortable road bike, in a flat handlebar version. Discover its precise braking, seating comfort and Shimano 105 groupset.

Size: size guide


Product benefits

Cycling comfort

Cycling comfort

Comfort road geometry, 28mm tyres, ergonomic 2-position grips



Inserts for pannier rack & mudguards, compatible with 36 mm tubeless ready tyres



The Shimano 105 R7000 groupset, front and rear derailleur, brake levers.

Brake control

Brake control

Hydro-mech disc brakes: effective and progressive

Sitting comfort

Sitting comfort

The new ErgoFit saddle guarantees long-lasting comfort.

Lifetime warranty

Lifetime warranty

Decathlon offers a lifetime warranty on the frame, stem and handlebar

Technical information

Choosing the right size bike

You should choose the size of your bike based on your height, as well as your build (arm span and leg length).
If you are between sizes, the smaller size will give you a more athletic position, while the larger size will give you a more comfortable position.
XS 154 165cm
S 165 173cm
M 173 180cm
L 180 188cm
XL 188 200cm
You can try the Triban 500/520 drop bar, which has exactly the same geometry, in our stores.
Certain stores offer a bike fit service.


New Triban Evo frame in 6061 T6 aluminium, comfort-oriented geometry with adapted sloping
Weight: 1780 g in size M.Strong, versatile frame: can be fitted with a mudguard and pannier rack
Compatible with tyres up to 700x36 or 650x40


New Triban Evo fork with carbon blades and aluminium 1"1/8 Aheadset steerer tube. This fork combines comfort, low weight (680g), and precision.
The carbon has been machined to provide good lateral rigidity and good filtering of frontal vibrations.
Inserts on blades for mounting a front pannier rack.

Maximum load on the fork: 9kg,
Holes on the wheel axle for attaching a mudguard
Compatible with tyres up to 700x36 or 650x40

Handlebar / stem / steering

Ergonomic aluminium flat handlebars for a better grip, excellent comfort and ease of use.
Handlebar width end to end:
XS / S / M: 560mm.
L / XL: 600mm.

Reversible stem (+7° / -7°):

XS / S: 80mm.M: 100mm.L: 110mm.XL: 120mm.


Shimano Sora SL-RS700 shifters
Shimano Sora 105 R7000 front derailleur
Shimano Sora 105 R7000 11-speed long screed rear derailleur

Crankset / cassette

Microshift CS-H110 11S 11/32 cassette

Shimano RS 510 compact crankset 50/34.
Crank length varies according to size of bike:
XS, S: 170mm.M: 172.5mm.L, XL: 175mm.


TRP HY/RD disc brakes.
Cable-operated hydraulic pistons, ensuring reliability and efficiency
160mm disc at the front and rear
Anti-compression Jagwire housing to ensure braking precision and efficiency
Semi-metallic TRP pad (M515/M525 version)


New Triban Tubeless Ready* wheels
6063T6 aluminium
ETRTO dimensions: 622 x 19 C
25mm high for greater lateral rigidity
Crossed steel spokes for improved rigidity (28 front and 28 rear)
Sealed bearings
Weight per pair (without cassette and QR): 2300 g
* To switch to Tubeless, you'll need a pair of Tubeless Ready tyres and a conversion kit including 2 tubeless valves + 2 rim strips + bottle of anti-puncture liquid.


Triban Resist+ tyres
410 g
Skinwall stiff bead
1 mm nylon anti-puncture protection
Durable carcass: 55 TPI.

Dimensions: 28c-622 / 700 x 28c for greater comfort.
Max. pressure: 8 bar / 116 psi.These tyres are NOT Tubeless Ready

Saddle/Seat post

New Triban ErgoFit saddle. Hammock design for greater comfort. Aluminium Triban seat post.
Easy seat adjustment
Diameter: 27.2mm.
Length: 350mm in M / L / XL, 300mm in S, 250mm in XS


Platform pedals included with the bike.

Accessories / equipment

Comes with front and rear-lighting kit and bell.

Mudguard compatibility

It can take the SKS BLUEMELS MATT 35 MUDGUARDS SET (ref: 8385659) or the FLASH BLACK ROAD BIKE SADDLE MUDGUARD (ref:8327786).

Enter the product code into the search bar on the Decathlon website to find out more about these products.

Is the RC520 suitable for bikepacking?

Yes, this bike was designed for bicycle touring on roads, including bikepacking. That means you can install light bags, for example on the saddle, on the frame, and on the handlebars. Thanks to its comfort, the RC520 is the perfect companion for long journeys in the saddle.
This bike is not however a bike for travelling. We do not recommend overloading it with larger travel bags on the pannier rack, for example.

See this bike in action!

Our Triban bikes have already gone on many adventures! Discover our Triban stories on https://triban.exposure.co/


10.6 kg in size M, without pedals


Lifetime warranty on the frame, 2 years on the fork, 2 years on peripheral components.


XS : 10.4 kg
S : 10.5 kg
M : 10.6 kg
L : 10.65 kg
XL : 10.7 kg
Weight without pedals

Product concept & technology

Product Composition

Frame 100% Aluminium


Store your bike in a dry, cool place. If riding or storing your bike in a salty environment, be sure to wash your bike after each use.

User Directions

Not suitable for competition (not UCI certified).


When it came to testing this new RC520 bike, we certainly didn't hold back.
In the lab, the bike passed all of the tests for the most demanding standards, as well as additional tests that helped guide our design choices (geometry, fork rigidity, etc.).
But that wasn't all. We also put it through its paces on the road. We tackled some legendary routes (Paris-Roubaix, Tour des Flandres, the Ardéchoise, etc.) as well as our lunchtime rides and even gravel rides and long-distance rides with panniers


To have more informations about this product, consult the notice


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