Sterling Chromite II Designer Handlebar Installation Kit - 12"-14" - '21-'23 FLH. Sterling Chromite II® Designer Handlebar Installation Kit - 12"-14" - '21-'23 FLH. Brake lines are constructed with PTFE inner tubing, DuPontTM Kevlar® aramid fiber, premium Signature Magnum braids, and an outer PVC jacket.