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Problem Solvers Braze-On Front Derailleur Adapter 28.6mm, Black

These adapters clamp on to the seat tube so you can use your braze-on derailleur on a conventional frame.
DP0911

Problem Solvers Braze-On Front Derailleur Adapter 28.6mm, Silver

These adapters clamp on to the seat tube so you can use your braze-on derailleur on a conventional frame. Available in three common seat tube sizes with 20mm of vertical adjustability.
DP0910