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Description
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
Description
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