2021 Trek 520 vs 2020 OPEN MIN.D.
The M is the OPEN MIN.D. size closest to your 54 Trek 520. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the OPEN MIN.D.
Compared with the Trek 520 in 54, the OPEN MIN.D. in M places the top of the head tube 5 mm lower and 5 mm further back, relative to the bottom bracket. Its wheelbase is 70 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- −70 mm
- Shorter: quicker to change direction
- Head angle
- +1.5°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Trek 520 numbers we have for size 54 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek 520 54 | OPEN MIN.D. M | Difference |
|---|---|---|---|
| Reach | 378 | 373 | −5 mm |
| Stack | 565 | 560 | −5 mm |
| Head tube angle | 71.0° | 72.5 | +1.5° |
| Effective top tube | 543 | 550 | +7 mm |
| Chainstay length | 450 | not listed | |
| Wheelbase | 1048 | 978 | −70 mm |
| BB drop | 70 | 71 | +1 mm |
| BB height | 278 | not listed | |
| Standover | 768 | 769 | +1 mm |
| Seat tube length | 512 | 491 | −21 mm |
| Head tube length | 140 | 158 | +18 mm |
| Seat tube angle | not listed | 72.5 |
Differences are the OPEN MIN.D. minus the Trek 520. Full charts: 2021 Trek 520, 2020 OPEN MIN.D..
Where each sits in its class
Trek 520OPEN MIN.D.
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Trek 520520 | OPEN MIN.D.MIN.D. |
|---|---|---|
| Shifter | Shimano Sora R3000 | not listed |
| Derailleur | Shimano Sora R3030, Shimano Deore M4000 | not listed |
| Cassette | Shimano HG200 | not listed |
| Chain | KMC X9 | not listed |
| Crankset | Shimano Alivio T4060 | not listed |
| Tire | Bontrager H2 Hard-Case Ultimate | Schwalbe Pro One |
| Hub | Shimano M475 | not listed |
| Rim | Bontrager Affinity | not listed |
| Brake | TRP Spyre C 2.0 | SRAM HRD Force AXS |
| Handlebar | Bontrager Comp VR-C | ENVE Compact |
| Saddle | Bontrager Evoke | fizik Antares Versus Evo |
| Frame | not listed | OPEN MIN.D. |
| Wheelset | not listed | DT Swiss CRC 1400 SPLINE DB 24 |
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