The Second Wind allows inflation using either a CO2 cartridge and the hand pump separately or simultaneously without removing cartridge. ⋅ Twist-to-Inflate technology ⋅ Capable of reaching 130 PSI with the hand pump ⋅ CO2 cartridge stores in handle when not in use and doubles as handle extension for manual inflation ⋅ Made in the USA
September 19, 2013
Desmond
from Namibia Age: 35 to 44 Length of ownership: 1 week Level of expertise: Intermediate
I have been riding Specialized bikes for the past 3 years and there is undoubtedly no going back. I have never found a product that delivers on this level every time. Looks fast feels great. Congratulations to specialized...you did it again.
Devoted fan
Des Howard
Yes, I recommend this product.