Head-to-Head
Streakfly 2vsAero Razor
The Streakfly 2 is a race shoe while the Aero Razor is a speed trainer shoe. The Streakfly 2 retails for $180 while the Aero Razor comes in at $140 — a $40 difference. The Streakfly 2 is the lighter shoe at 5.1 oz versus 6.9 oz for the Aero Razor. Both score 8.9/10 in our ratings.
| Rating | 8.9 / 10✓ | 8.9 / 10✓ | |
| Price | $180 | $140✓ | |
| Weight | 5.1 oz✓ | 6.9 oz | |
| Category | Race Shoe | Speed Trainer | |
| Terrain | Road | Road | |
| Cushion | Low | Medium | |
| Softness | Soft | Firm | |
| Drop | Low | Low | |
| Drop (mm) | 4 mm | 4 mm | |
| Stack | 27 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | Very High✓ | High | |
| Breathability | Breathable | Breathable | |
| Traction | Medium | High✓ | |
| Shock Absorption | Low | Medium✓ | |
| Durability | Bad | Good✓ |

