Which inner tubes have the lowest rolling resistance? Or is it no tube at all? Lennard Zinn investigates.
Read the full article at Tested: The fastest bicycle inner-tubes on VeloNews.com.
Which inner tubes have the lowest rolling resistance? Or is it no tube at all? Lennard Zinn investigates.
Read the full article at Tested: The fastest bicycle inner-tubes on VeloNews.com.