The Endorphin Speed 2 combines ultralight and springy PWRRUN PB cushioning with a full-length, semi-rigid nylon plate that’s more flexible than carbon fiber, resulting in a powerful SPEEDROLL effect that works for both speed workouts and races.
The Endorphin Speed 2 combines ultralight and springy PWRRUN PB cushioning with a full-length, semi-rigid nylon plate that’s more flexible than carbon fiber, resulting in a powerful SPEEDROLL effect that works for both speed workouts and races.
The Endorphin Speed 2 combines ultralight and springy PWRRUN PB cushioning with a full-length, semi-rigid nylon plate that’s more flexible than carbon fiber, resulting in a powerful SPEEDROLL effect that works for both speed workouts and races.