Qhov yooj yim tsim ntawm Surflex Endurance coupling ua kom yooj yim ntawm kev sib dhos thiab txhim khu kev qha. Tsis muaj cov cuab yeej tshwj xeeb xav tau rau kev teeb tsa lossis tshem tawm. Surflex Endurance couplings tuaj yeem siv rau ntau yam kev siv.