Here's what other sites are saying:
The Salomon SNS(R) Propulse RC2 Classic cross-country ski bindings are very light and have a low profile for excellent energy transmission, an efficient kick and a good feel for the snow.
The low profile Salomon Propulse RC2 Classic bindings offer a smooth feel for classic style nordic skiing. Compatible with all Pilot style boots, whether it is the RS10 or RS17 boot sole Flex index of 85 Compared to Salomon Pilot classic bindings, no problems with internal freezing RC2 model can be installed on skis with flat decks or NIS plates. Salomon's interface adapter is not needed when installing the RC2 on skis that have an NIS plate
No need to light your Lycra suit on fire, because the ultralight Salomon SNS Propulse RC2 Classic Binding helps you accelerate to butt-charring speeds without the matches. With a full length guide ridge to increase glide and downhill stability, and a low-profile design to aid kick efficiency, the RC2 race binding takes your classic skiing to a whole new level. A slightly rearset pivot point encourages the natural roll of the foot for a longer, more dynamic kick, so you won't be doing the running man while your rivals blow by you. Mount this performance bad boy to a flat ski or one with an NIS plate and leave them sucking snow crystals instead.
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