Sterling Chromite II Upper Handlebar Installation Kit - 12"-14" - '17-'20 FLTR. Sterling Chromite II® Upper Handlebar Installation Kit - 12"-14" - '17-'20 FLTR. Brake lines are constructed with PTFE inner tubing, DuPontTM Kevlar® aramid fiber, premium Signature Magnum braids, and an outer PVC jacket.