The crampons with either Classic or New Classic bindings now have a new flexible regulation bar for improved fit and performance on walking boots: flexible and elastic, allows the foot free movement without over forcing or stressing the bar, even on extended use. The flex regulation bars are made of multi ply stainless steel and work just like a car's suspension springs. Note: the Flex Regulation Bars can be used on all of Grivel's crampons. Flex bar
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