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Serfas' flagship Hydrogen Road Shoe gives ladies carbon performance at a price you can afford. The Hydrogen Road Shoe features a carbon sole with a matte carbon weave finish, and Reinforced Heel Technology (replacing a traditional heel cup) gives riders valuable weight savings on those unforgiving climbs. The Hydrogen features a women's specific design that includes smaller straps.
Shipping Note: Eligible for shipping to all 50 states
Warranty: 1 Year Serfas
| Serfa Size | Standard US Women's Size |
| 36 | 5 |
| 37 | 5.5 - 6.5 |
| 38 | 6.5 - 7 |
| 39 | 7.5 |
| 40 | 8 |
| 41 | 9 |
| 42 | 9.5 - 10 |
| 43 | 10.5 |
| 44 | 11 |
| 45 | 12 |
| 46 | 12.5 - 13 |
| 47 | 13.5 - 14 |
| 48 | 14.5 |
In the box:
(1 Pair) Serfas SWR-300BT Women's Hydrogen Carbon Road Bike Shoe - Black
| Serfa Size | Standard US Women's Size |
| 36 | 5 |
| 37 | 5.5 - 6.5 |
| 38 | 6.5 - 7 |
| 39 | 7.5 |
| 40 | 8 |
| 41 | 9 |
| 42 | 9.5 - 10 |
| 43 | 10.5 |
| 44 | 11 |
| 45 | 12 |
| 46 | 12.5 - 13 |
| 47 | 13.5 - 14 |
| 48 | 14.5 |
In the box:
(1 Pair) Serfas SWR-300BT Women's Hydrogen Carbon Road Bike 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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