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Triban GRVL 520 1x Gravel Bike

Sale price: $1,299.00 Regular price: $1,799.00

This gravel bike has a new gravel-specific geometry, Gravel 650 wheels and 47 Tubeless Ready tyres, SRAM APEX1 40T 11/42 single chainring. Designed for comfort and handling on and off road.

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Sale price: $1,299.00 Regular price: $1,799.00

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San Francisco, 735 Market St. Options

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About this item:

  • Versatile & Comfortable GRVL gravel-specific geometry
  • New T6 6061 Aluminum Triban EvoG Frame with Carbon Fork
  • SRAM APEX 1X groupset with a 40T chainring and an 11/42 cassette
  • TRP Hydraulic disc brakes
Model: 8786234

Product Videos

Product Features

A photo of the Triban GRVL 520 1x Gravel Bike in use
A photo of the Triban GRVL 520 1x Gravel Bike in use

Triban GRVL 520 1x Gravel Bike | We have designed and tested this gravel bike for comfort in a variety of environments.

This gravel bike has a new gravel-specific geometry, Gravel 650 wheels and 47 Tubeless Ready tyres, SRAM APEX1 40T 11/42 single chainring. Designed for comfort and handling on and off road.

Cycling comfort

Wide handlebar with a 16° flare, gel bar tape, 650.23c TLR wheels, 47 TLR tyres


SRAM APEX 1 groupset in 40T-11/42

User comfort

GRVL gravel-specific geometry is more comfortable and versatile

Product Lifestyle Image Gallery

Image Gallery

Triban GRVL 520 1x Gravel Bike, silver Image 1 of 4 

Triban GRVL 520 1x Gravel Bike, silver Image 2 of 4 

Triban GRVL 520 1x Gravel Bike, silver Image 3 of 4 

Triban GRVL 520 1x Gravel Bike, silver Image 4 of 4

Questions & Answers

Product Customer Reviews

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Nice bike, but...

I bought a Triban GRVL520 bike two months ago. I started having problems with the rear wheel hub, the drum is jammed. Now I can't order a hub with the same parameters 135x9 28H anywhere. It's a big problem that there is no support for spare parts.

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Very good performance for its price

If your weight is between 60-70 kg and your body fat percentage is not less than 12%, it is not possible for you to be comfortable on a bike with racing geometry. Endurance or gravel geometry is much more suitable for normal human anatomy. I think this bike is the most suitable bike for Türkiye's conditions and people, with its geometry, tire type and width. The brakes of the bike are very good, almost at full hydraulic performance. Group set has adequate performance, rear derailleur is sufficient, easy to adjust. Since it is a 1x and a gravel bike, it has gear ratios that are more suitable for use on hills. If you are looking for high speed on a flat road, this bike is not for you. I suggest you look at Endurance road bikes. They made the handlebars a little too wide, but if you are going to do bikepacking and use a handlebar bag, it is a more logical choice. I am 180 cm tall, I bought size M and I am satisfied. S would be better if I could find it.

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Great for the price

Great bike for the price.

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Excellent price/performance ratio. Nice setup, probably the best brakes in this category. The bike has good geometry and rides well.

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further adjustment

Thank you for your availability following my adjustment problem.

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Good gravel if not…

Good gravel if no need for performance, attention to adjustment on delivery to improve, rear derailleur poorly adjusted and saddle not tight. And no more revision after 6 months so it's a bit much to deal with. Mag workshop team attentive and they helped me but a tuned bike is a minimum.

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New gravel bike

Very functional bike, light, fluid, agile on all types of terrain. It's just a shame that there is no damping system to avoid being hit by the slightest difference in height.

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Perfect, light

Perfect, light


The bike will go through everything in its path and go anywhere, it makes a very good impression at the initial contact. and it doesn't disappoint on the road.

Very good price/performance ratio. Easy assembly out of the box.

I will save others the madness of finding the circumference of a wheel with tires Hutchinson TOUAREG 650x47 Dimensions ETRTO 47-584 / 650x47c, for setting cycle computers CIRCUMFERENCE: 2130mm

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Good value for money…

Good value for money I recommend

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The perfect bike for me.

This is a bike I wouldn't change a thing about. It is complete in every respect and meets all my expectations. I finally found the perfect bike that had all the features I was looking for.

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Very good bike

Very happy with the bike but I'm having difficulty finding the right mudguards. Indeed, I am recommended the SKS Speedrocker but they are for 28/700. However, the wheel of this gravel is 650. Can I take the same ones? THANKS !

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bike good, that's why we bought it despite how badly Decathlon communicated the delivery date. They wrote on the websites 3-4 days, after completing the order it changed to 5-6 days on the website, but I had an estimated delivery in 8 days. On the seventh day they wrote that it would be delayed and on the evening of the 10th that it was ready. Actually, nothing happened, but it's the kind of nothing that slowly frustrates you until it turns you off. So in the meantime, we rented a bike from a rental company, which made it more expensive, and the rental fee cannot be deducted from the purchase, as it is elsewhere, nor can you buy the bike directly that you rent. Just a lax French juggernaut :D But yeah, good, in the end they gave me a voucher for 500 so I wouldn't be so displeased. Better than a pump through the bite!

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very good bike

For the moment more than 2000km covered, RAS. I dread changing tires in the event of a puncture however, very difficult to change...

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Size Guide

Size Guide Visual

Additional Product Information

Choosing the right size

Choose your bike size based on your height and build (arm span and leg length). If you are between sizes, opting for the smaller size will give you a more comfortable position that makes it easier to tackle gravel trails. XS: 5' - 5'3'' (154 - 165 cm) S: 5'3'' - 5'6'' (165 - 173 cm) M: 5'6''- 5'10'' (173 - 180 cm) L: 5'10'' - 6'2'' (180 - 188 cm) XL: 6'2'' - 6'6'' (188 - 200 cm)


New Triban EvoG frame made of aluminum 6061 T6, with its new Triban GRVL gravel-specific geometry for a better balance between comfort and handling. Strong, versatile frame: can install a mudguard and pannier rack. Weight: 1750 g in size M.9x135 axle spacing for a Quick Release QR axle / Flat mount brake caliper. Normative compatibility with tyre cross-sections up to 700.42 and 650.47


New Triban EvoG fork with carbon blades and aluminum 1 ⅛” Aheadset steerer tube.This fork combines comfort, low weight, and precision. The carbon has been designed for good lateral rigidity and good filtering of frontal vibrations. Flat mount caliper. 2 inserts on each blade for installing a front pannier rack or a bottle cage. Maximum load on the fork: 22 lbs (10 kg) Compatible with tyres up to 700.42 / 650.47


TRP HY/RD disc brakes. Cable-operated hydraulic pistons, ensuring reliability and efficiency. 160mm disc at the front and rear. Flat Mount assembly. JAGWIRE anti-compression housing to ensure braking precision and efficacy. TRP semi-metallic plate (version M515/M525)


Simple and effective with the SRAM APEX1 for off-road riding. SRAM APEX 1 shifters. SRAM APEX 1 rear derailleur. Rear derailleur weight: 314 g. SRAM PC1110 chain. Chain weight: 273 g.

Crankset / cassette

SRAM APEX 1 PG1130 11-42 cassette (11/13/15/17/19/22/25/28/32/36/42) Cassette weight: 528 g. SRAM S350-1 APEX 1 40 chainset. Different crank lengths depending on the bike size: XS, S: 170mm.M: 172.5mm.L, XL: 175mm. Bottom bracket weight in 172.5: 790 g

Saddle / seat post

Triban ErgoFit saddle. Hammock design for greater comfort. Aluminium Triban seat post. Easy seat adjustment. Diameter: 27.2mm. Length: 300 mm in size XS / S, 350 mm in size M / L / XL. The natural flex of the seat post (thanks to its 27.2mm diameter) allows you to filter vibrations and impacts for greater comfort

Handlebar / stem / steering

Triban aluminum gravel handlebars with a 16° flare for better grip and excellent comfort.Handlebar width end to end: XS / S: 420 mm. M / L: 440 mm. XL: 460mm. Stem: XS: 60 mm. S: 70mm. M: 80mm. L: 90 mm. XL: 100mm.


Triban Gravel 650x23c Tubeless Ready wheels for effective steering and comfort on off-road terrain. 6063 T66 aluminum. TEKTRO dimensions: 584'' x 23''Height: 19 mm. Crossed steel spokes (28 front and 28 rear). Sealed cartridge bearings.9x100 front, 9x135 rear QR axle. Weight per pair (without cassette and QR): 2.15 kg. TESA TLR* rim strip.




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