MSRP | $1,679 | $1,679 |
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Where to Buy | — $1 At | — $1 At |
Category | Gravel | Gravel |
Weight | 7.2 lbs (frame) | 31.4 lbs |
Steel | Steel | |
Fork | Aluminum | Aluminum |
Wheels | Aluminum | Aluminum |
Wheel Size | 700c | 700c |
Brakes | Mechanical Disc | Mechanical Disc |
Groupset | Alivio, Sora | Alivio, Sora |
Drivetrain | 3 × 9 | 3 × 9 |
Brand Site | ||
Summary | The Trek 520 Disc and Trek 520 are both steel frame gravel bikes with mid-range components and mechanical disc brakes. |
Based on frame geometry and build specs.
Frame | Trek butted chromoly disc touring, rack & fender mounts, 135x5mm QR | Trek butted chromoly disc touring, rack & fender mounts, 135x5mm QR |
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Fork | 520 alloy disc touring, rack mounts, 100x5mm ThruSkew | 520 alloy disc touring, rack mounts, 100x5mm ThruSkew |
Headset | 1-1/8'' threadless, sealed cartridge bearings | 1-1/8'' threadless, sealed cartridge bearings |
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 | 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 |
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 | 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 |
Saddle | Bontrager Evoke | Bontrager Evoke |
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 | Size: 48, Bontrager alloy, 27.2mm, 12mm offset, 250mm length; Size: 51, 54, 57, 60, 63, Bontrager alloy, 27.2mm, 12mm offset, 330mm length |
Pedals | Wellgo nylon body, alloy cage | Wellgo nylon body, alloy cage |
Rear Derailleur | Shimano Alivio M4000, long cage, 36T max cog | Shimano Alivio M4000, long cage, 36T max cog |
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Front Derailleur | Shimano Sora R3030, 34.9mm (w/28.6 adapter) clamp | Shimano Sora R3030, 34.9mm (w/28.6 adapter) clamp |
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 | 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 |
Shifters | Size: 48, 51, 54, 57, 60, 63, Shimano Sora R3000, 9 speed; Size: 48, 51, 54, 57, 60, 63, Shimano Sora R3030, 3 speed | Size: 48, 51, 54, 57, 60, 63, Shimano Sora R3000, 9 speed; Size: 48, 51, 54, 57, 60, 63, Shimano Sora R3030, 3 speed |
Cassette | Shimano HG200, 11-36, 9 speed | Shimano HG200, 11-36, 9 speed |
Chain | KMC X9 | KMC X9, 9 speed |
Brakes | TRP Spyre C 2.0 mechanical disc, 160mm rotor | TRP Spyre C 2.0 mechanical disc, 160mm rotor |
Rims | Bontrager Affinity Disc, Tubeless Ready, 36-hole, 21mm width, presta valve | Bontrager Affinity Disc, Tubeless Ready, 36-hole, 21mm width, presta valve |
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Spokes | 14g, stainless steel, silver | 14g, stainless |
Front Hub | Shimano M475, 6-bolt disc, 100x5mm QR | Shimano M475, 6-bolt disc, 100x5mm QR |
Rear Hub | Shimano M475, 6-bolt disc, 135x5mm QR | Shimano M475, 6-bolt disc, 135x5mm QR |
Tires | Bontrager H1 Hard-case Ultimate, 700x38c w/reflective sidewall | Bontrager H1 Hard-case Ultimate, 700x38c w/reflective sidewall |
Racks | Size: 48, 51, 54, Bontrager BackRack Deluxe, Interchange compatible, size small; Size: 48, 51, 54, 57, 60, 63, Bontrager Carry Forward; Size: 57, 60, 63, Bontrager BackRack Deluxe, Interchange compatible, size large |
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