Trek 520 DISC 2020 [Review]

Reviewed by Pedallers

Last Updated on March 21, 2022

520 Disc
Touring Bike

Trek 520 DISC 2020 Review

The Trek 520 is a powerful bike designed specifically for riders who are seeking to be comfortable while riding on any type of road over a long period with drop bars that provide up to 3 hands positioning for the rider.

This bike is equipped with an alloy disc fork to ensure durability and a Bontrager HI 700 X 38c tires that make sure the bike can hold for long distant rides.

From the name “Touring” it is evident that the bike was meant for long-distance rides and it is well equipped for such rides as it ensures comfort. 

TRP Spyre C 2.0 Mechanical Disc Brakes

The TRP Spyre C 2.0 Mechanical Disc Brake is included in the Trek 520. This feature allows the riders to have total and full control over their brakes.

Also assisting with the brakes is the Bontrager HI tires with high grips and traction on roads and Affinity rims that are tubeless-ready for all kinds of roads.

Shimano Sora/Alivio 27 Speed Drivetrain

Trek 520 features the Shimano Sora/Alivio 27 Speed Drivetrain that guarantees an accurate and precise shifting. The hubs and chainset which are also of Shimano origins also allow for smooth transmission from pedaling to actual momentum.

The bike is also upgraded with KMC X9 chains that are turgid without the risk of having slacks even after very long rides.

Alloy Disc Fork

Reinforced with the Alloy Disc Fork, Trek 520 offers resilience and toughness when moving on any terrain in any condition. It also very reliable and trusted to ride without any problem owing to the Thru-skew captured skewer system that allows the bike to go on days on end without breaking down.

Chromoly Disc Frame

The Chromoly Disc Frame is an important feature in the Trek 520 that allows drop bar riders to pack in or drag heavy consignment along. This feature gives the bike a tough though light outlook and.

See specifications


Fork: Thru-skew captured skewer system & Alloy disc touring fork w/lowrider mounts

Frame: Mudguard and rack mounts, trek butted Chromoly disc touring

Rear Derailleur: Shadow Design, Shimano Alivio 9-speed

Front Derailleur: 34.9 mm clamp-type, Shimano Sora

Chainset: 2-piece, 48X36X26T w/chain guard, Shimano Alivio

Number of Gears: 27

Chain: KMC X9

Shifters: 9 speed, Shimano Sora

Pedals: Supplied

Stem: 31.8 mm, 7-degree, Light mounts & w/computer, Bontrager Elite

Brakeset: TRP Spyre C 2.0 mechanical disc

Rims: 36 h, Tubeless ready, Bontrager Affinity

Handlebars: 31.8 mm, Bontrager Comp VR-C

Tires: 700×38 c w/reflective sidewall, Bontrager H1 Hard-case Ultimate

Hubs: Shimano M475

Bar Tape: Bontrager tape

Accessories: Rear and Front Pannier Rack

Weight: 13.18 kg

Saddle: Bontrager Evoke 1.5

Seatpost: 2-bolt head, 12 mm offset, Bontrager SSR, 27.2 mm


It is suitable to carry heavy cargos


It has quick and perfect shifting


Its Bontrager HI tires have a firm grip on roads


It has a wide range of gears.


It doesn’t come with pedals


Which are the best mudguards that can be used with the trek 520?

The recommended mudguard is a 50 mm wide mudguard.

Is this bike capable of taking larger wheels such as 28 or 29 inch?

The Trek 520 cannot take very large wheels.


With its accurate shifting, a high number of gears, the ability to heavy cargos, and reliable brakes, the Trek 520 is a suitable choice for drop-bar riders. While using this bike, riders are assured of safety, precision, and comfort for long-distance journeys even whilst lugging around any luggage. The Alloy Disc Fork ensures that riders can use this bike in good or bad conditions.

Latest Price: Trek 520 Disc

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