Wolf Tooth ReMote Sustain A for iSpec IIWolf Tooth ReMote Sustain A for iSpec II. ReMote Sustain Levers provide clean actuation to adjust your post for preferred riding style whether enduro XC downhill or gravel. Levers are Reverb Stealth series specific A series have no Rockshox marking below the head whereas B series have gold Rockshox markings below the head Engineered break away pivot that allows the lever to break away from the pivot in the event of a crash Cable Kind Clamp does not