Hmmmmmmm

Verified Buyer Reviewed by Wool sweater person from NY on Monday, March 23, 2015
Trying to switch to NNN BC (New Nordic Norm Back Country) from my old 3-pin (75mm) boots/bindings, I ordered these one size larger (Euro 41) for my 8.5 US feet and was quite satisfied with the fit. The problem was that the bindings advertised as compatible "NNN BC" came labled "BC3 NNN BC" and without instructions. Once I discovered how to clip them into the bindings, the grooves didn't seem to line up well regardless of in which binding I tried them. In checking for other bindings, I discovered that STP once again had a 3-pin boot in Euro 41, so I returned them (and the bindings) for the 3-pin combo that I'd wanted in the first place,
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