Head-to-Head
Endorphin Pro 5vsAero Razor
The Endorphin Pro 5 is a race shoe while the Aero Razor is a speed trainer shoe. The Endorphin Pro 5 retails for $240 while the Aero Razor comes in at $140 — a $100 difference. The Aero Razor is the lighter shoe at 6.9 oz versus 7.3 oz for the Endorphin Pro 5. In our ratings, the Aero Razor edges out the Endorphin Pro 5 — 8.9/10 versus 8.5/10.
| Rating | 8.5 / 10 | 8.9 / 10✓ | |
| Price | $240 | $140✓ | |
| Weight | 7.3 oz | 6.9 oz✓ | |
| Category | Race Shoe | Speed Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Balanced | Firm | |
| Drop | Medium | Low | |
| Drop (mm) | 8 mm | 4 mm | |
| Stack | 39.5 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | High✓ | High✓ | |
| Breathability | Medium | Breathable✓ | |
| Traction | High | High | |
| Shock Absorption | Medium | Medium | |
| Durability | Decent | Good✓ |
