Trek 520 is a steel touring bike made for the open road. It’s the longest-running model in our lineup, and it’s built to carry you and your gear on your longest journeys. Rack and fender mounts, a wide range of gearing for climbing, and a stable touring geometry make it the perfect choice for loaded multi-day trips and comfortable all-day adventures.




Colors: Anthracite, Diablo Red
Sizes: 48, 51, 54, 57, 60, 63
Trek 520 2019 specification
Frameset
*Frame | Size: 48, 63 Trek butted chromoly disc touring, rack & fender mounts, 135x5mm QR |
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Size: 51, 54, 57, 60 butted chromoly disc touring, rack & fender mounts, 135x5mm QR | |
Fork | Alloy disc touring, rack mounts, 100x5mm ThruSkew |
Fender/rack mounts | Bontrager BackRack Deluxe, Interchange compatible, size small |
Wheels
Hub front | Shimano M475, 6-bolt disc, 100x5mm QR |
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Skewer front | 130x5mm QR, ThruSkew |
Hub rear | Shimano M475, 6-bolt disc, 135x5mm QR |
Rim | Bontrager Affinity Disc, Tubeless Ready, 36-hole, 21mm width, Presta valve |
Spokes | 14g stainless steel |
Tire | Bontrager H1 Hard-Case Ultimate, reflective, wire bead, 60tpi, 700x38mm |
Max tire size | 29×2.00″ |
Drivetrain
*Shifter | Size: 48, 51, 54, 57, 60, 63 Shimano Sora R3000, 9 speed |
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Size: 48, 51, 54, 57, 60, 63 Shimano Sora R3030, 3 speed | |
Front derailleur | Shimano Sora R3030, 34.9mm (w/28.6 adapter) clamp |
Rear derailleur | Shimano Alivio M4000, long cage, 36T max cog |
*Crank | Size: 48, 51 Shimano Alivio T4060, 48/36/26, 2-piece w/chain guard, 170mm length |
Size: 54, 57, 60, 63 Shimano Alivio T4060, 48/36/26, 2-piece w/chain guard, 175mm length | |
Cassette | Shimano HG200, 11-36, 9 speed |
Chain | KMC X9 |
Pedal | Wellgo nylon body, alloy cage |
Max chainring size | 2x: 42T, 3x: 48T |
Components
Saddle | Bontrager Evoke |
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*Seatpost | Size: 48 Bontrager alloy, 27.2mm, 12mm offset, 250mm length |
Size: 51, 54, 57, 60, 63 Bontrager alloy, 27.2mm, 12mm offset, 330mm length | |
*Handlebar | Size: 48 Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 40cm width |
Size: 51, 54 Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 42cm width | |
Size: 57, 60, 63 Bontrager Comp VR-C, alloy, 31.8mm, 100mm reach, 124mm drop, 44cm width | |
Handlebar tape | Bontrager Gel Cork tape |
*Stem | Size: 48 Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 80mm length |
Size: 51 Bontrager Elite, 31.8mm, Blendr compatible, 7 degree, 90mm length | |
Size: 54, 57 Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 100mm length | |
Size: 60, 63 Bontrager Elite, 31.8mm clamp, Blendr compatible, 7 degree, 110mm length | |
Headset | 1-1/8” threadless, sealed cartridge bearings |
Brake | TRP Spyre C 2.0 mechanical disc, 160mm rotor |
Accessories
*Cargo rack | Size: 48, 51, 54, 57, 60, 63 Bontrager BackRack Deluxe, Interchange compatible, maximum load 25 kg / 55 lbs |
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Size: 48, 51, 54, 57, 60, 63 Bontrager Carry Forward |
Weight
Weight | 54 – 14.24 kg / 31.4 lbs |
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Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 275 pounds (125 kg). |
Trek 520 2019 sizing
Size | Rider Height | Inseam |
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48 | 158 – 163 cm5’2″ – 5’4″ | 74 – 77 cm29″ – 30″ |
51 | 162 – 168 cm5’4″ – 5’6″ | 76 – 79 cm30″ – 31″ |
54 | 168 – 174 cm5’6″ – 5’9″ | 78 – 82 cm31″ – 32″ |
57 | 173 – 184 cm5’8″ – 6’0″ | 81 – 86 cm32″ – 34″ |
60 | 185 – 190 cm6’1″ – 6’3″ | 86 – 90 cm34″ – 35″ |
63 | 190 – 197 cm6’3″ – 6’6″ | 89 – 93 cm35″ – 37″ |
Trek 520 2019 geometry

All measurements provided in cm unless otherwise noted.
Frame size number | Wheel size | A — Seat tube | B — Seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | F — Bottom bracket height | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack |
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48 cm | 700c | 44.0 | 74.3° | 11.5 | 69.5° | 52.0 | 27.4 | 7.5 | 45.0 | 5.2 | 7.4 | 104.1 | 71.3 | 36.8 | 54.0 |
51 cm | 700c | 48.2 | 74.0° | 12.5 | 70.0° | 53.1 | 27.4 | 7.5 | 45.0 | 5.2 | 7.1 | 104.5 | 74.1 | 37.3 | 55.1 |
54 cm | 700c | 51.2 | 73.8° | 14.0 | 71.0° | 54.3 | 27.8 | 7.0 | 45.0 | 5.2 | 6.5 | 104.8 | 76.8 | 37.8 | 56.5 |
57 cm | 700c | 54.3 | 73.5° | 16.0 | 71.8° | 55.7 | 27.8 | 7.0 | 45.0 | 5.2 | 5.9 | 105.2 | 79.4 | 38.3 | 58.7 |
60 cm | 700c | 57.5 | 73.0° | 20.0 | 71.8° | 58.3 | 27.8 | 7.0 | 45.0 | 5.2 | 5.9 | 107.4 | 82.6 | 39.2 | 62.5 |
63 cm | 700c | 60.5 | 72.8° | 23.0 | 72.3° | 60.3 | 27.8 | 7.0 | 45.0 | 5.2 | 5.6 | 108.6 | 85.4 | 40.0 | 65.5 |
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