Esc flexivel vw constellation (3 1 2) MEZ@ ACESSRIOS PARA CAMINHES Flex Esc 24 Tubbs Flex ESC 24 FLEX FLEX COM LICENA MASTER COMPLETO (ECU E TCU) Carbase Automotive Parts. The Flex ESC is an excellent way for those new to snowshoeing to become better acquainted with the activity. With all of the functional features you need at a fantastic price, the Flex ESC is a great option for winter hikers looking to take on the trails this season. Its composite Torsion Deck features the added benefit of the Tubbs Flex Tail for a more natural roll from heel to toe. Featuring traction rails and the Tubbs toe crampon the Flex ESC brings the needed grip on hard packed, icy trails. Lastly, for those steeper ascents, weve added the ActiveLift 16 heel lift to reduce tendon strain and calf fatigue.