Lezyne claims a runtime of up to 21

cassettes and chains

AirFlex series is the slimmest

and sky blue

nothing else

Ion Scrub Flat Shoes - EU 43 - Black Heavy/Bulky Lezyne claims a runtime ofThe Ion Scrub shoes are not your average flat pedal shoe. Featuring Ion's Pin Tonic 2 sole, this new outsole profile features positive threads in the forefoot and heel area for perfect traction while pushing or carrying your bike. There is also a negative profile on the other hand which offers perfect grip and space for the pins while riding. Combine that with the tacky rubber compound and toe zone protection with a comfy EVA mid and insole and you