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The Problem Solvers Braze-On Front Derailleur Adapter simply clamps onto your frame's seat tube and provides a secure place to bolt on your braze-on front derailleur (sold separately). This fine adapter is made of light, durable aluminum and includes a stainless-steel bolt.

Downtube cable adjusters from Problem Solvers. - Braze-on downtube adjusters for road shifters - Contoured to fit traditional sized steel downtubes - Black Finish