New for 2021, the Trek 520 Grando takes the best features of the standard Trek 520 and outfits it for all-road excursions. Find photos, specs, and the complete build kit here…

After building up my custom flat-bar Trek 520 last winter, I’ve become a sucker for interesting 520 builds. It makes a great and versatile bike for commuting, touring, and general two-wheeled tomfoolery, even if the stock build kit isn’t exactly my cup of tea. Thankfully, the new Trek 520 Grando addresses some of those issues with a fresh new build kit that caters to rough off-road riding, bikepacking, and randonneuring. Sure, it’s the same frame as the standard Trek 520, but its component list has been completely overhauled and improved upon—the biggest change being the swap to Shimano’s GRX rear derailleur, slightly knobbier 700 x 40mm tires, and a fresh new Nautical Navy paint job.

Trek 520 Grando

The 520 Grando is still based around a chromoly steel frame, alloy fork, and quick release skewers with Trek’s thru-skew upfront. The TRP mechanical disc brakes also remain unchanged, as well as most of the touch points, including the bar, stem, seatpost, and the Bontrager Affinity Disc wheelset. The 520 Grando also forgoes the rear rack, but still comes stock with Bontrager’s Carry Forward lowrider rack. Find a complete build kit below.

  • Trek 520 Grando
  • Trek 520 Grando

Build Kit

  • Frame Trek butted chromoly disc touring, rack & fender mounts
  • Fork 520 alloy disc touring, rack mounts
  • Shifter Shimano Tiagra R4700, 10 speed
  • Front Derailleur Shimano Tiagra 4700
  • Rear Derailleur Shimano GRX RX400
  • Crankset ProWheel forged alloy, 42/28T
  • Cassette Shimano HG50, 11-36T
  • Chain KMC X10
  • Brakes TRP Spyre C 2.0 mechanical disc, 160mm rotor
  • Rims Bontrager Affinity Disc, Tubeless Ready, 36-hole, 21mm width
  • Front Hub Shimano M475, 6-bolt disc, 100x5mm QR
  • Rear Hub Shimano M475, 6-bolt disc, 135x5mm QR
  • Tires Bontrager GR1 Expert, Hard-Case Lite, wire bead, 60 tpi, 700x40c
  • Handlebar Bontrager Comp VR-C
  • Seatpost Bontrager alloy, 27.2 mm
  • Saddle Bontrager Arvada
  • Stem Bontrager Elite
  • Headset 1-1/8″ threadless, sealed cartridge bearings
  • Trek 520 Grando
  • Trek 520 Grando
  • Trek 520 Grando
  • Trek 520 Grando
  • Trek 520 Grando

The Trek 520 Grando retails for the same as the standard 520 at $1,679 USD and will be available through your local Trek dealer. Learn more at TrekBikes.com.

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