Head-to-Head
Cielo X1 3.0vsAero Razor
The Cielo X1 3.0 is a race shoe while the Aero Razor is a speed trainer shoe. The Cielo X1 3.0 retails for $275 while the Aero Razor comes in at $140 — a $135 difference. The Cielo X1 3.0 is the lighter shoe at 6.8 oz versus 6.9 oz for the Aero Razor. In our ratings, the Aero Razor edges out the Cielo X1 3.0 — 8.9/10 versus 8.6/10.
| Rating | 8.6 / 10 | 8.9 / 10✓ | |
| Price | $275 | $140✓ | |
| Weight | 6.8 oz✓ | 6.9 oz | |
| Category | Race Shoe | Speed Trainer | |
| Terrain | Road | Road | |
| Cushion | Medium | Medium | |
| Softness | Soft | Firm | |
| Drop | Medium | Low | |
| Drop (mm) | 7 mm | 4 mm | |
| Stack | 38 mm | 36 mm | |
| Stability | Neutral | Neutral | |
| Fit | Narrow | Narrow | |
| Energy Return | High✓ | High✓ | |
| Breathability | Medium | Breathable✓ | |
| Traction | High | High | |
| Shock Absorption | High✓ | Medium | |
| Durability | Bad | Good✓ |
