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Serfas' flagship Zirconium Road Shoe gives carbon performance at a price you can afford. Zirconium is used to build nuclear reactors because of its ability to withstand bombardment by neutrons even at high temperatures. Serfas' high-end road shoe mimics its elemental brother, but with a certain carbon panache.
Shipping Note: Eligible for shipping to all 50 states
Warranty: 1 Year Serfas
| Serfa Size | Standard US Men's Size |
| 39 | 6 |
| 40 | 7 |
| 41 | 7.5 - 8 |
| 42 | 8.5 - 9 |
| 43 | 9.5 - 10 |
| 44 | 10 - 10.5 |
| 45 | 11 |
| 46 | 11.5 - 12 |
| 47 | 12.5 - 13 |
| 48 | 13.5 |
| 49 | 14 |
| 50 | 15 |
In the box:
(1 Pair) Serfas SMR-300BT Men's Zirconium Carbon Road Shoe - Black
| Serfa Size | Standard US Men's Size |
| 39 | 6 |
| 40 | 7 |
| 41 | 7.5 - 8 |
| 42 | 8.5 - 9 |
| 43 | 9.5 - 10 |
| 44 | 10 - 10.5 |
| 45 | 11 |
| 46 | 11.5 - 12 |
| 47 | 12.5 - 13 |
| 48 | 13.5 |
| 49 | 14 |
| 50 | 15 |
In the box:
(1 Pair) Serfas SMR-300BT Men's Zirconium Carbon Road Shoe - Black
| 12 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
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| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
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