Problem Solvers Braze-on Front Derailleur Adapter Stock Item:Problem Solvers 31.8mm Adapter Clamp for Braze - On Front Derailleur Silver And by the way –

And by the way – that beauty looks simply great

SHIMANO DEORE XT - Rear Derailleur - SHIMANO SHADOW RD+ - 1x12-speed

Folding Compatible: Seamless integration with the Brompton bicycle allows unhindered use of the folding mechanism without the need to remove any bags

Same chain retention performance as seen in all of the higher-level Eagle drivetrain cranks

Problem Solvers Braze-on Front Derailleur Adapter Stock Item:Problem Solvers 31.8mm Adapter Clamp for Braze - On Front Derailleur Silver And by the way –PROBLEM SOLVERS BRAZE ON FRONT DERAILLEUR ADAPTER 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. FEATURES Front derailleur braze on adaptor clamps for frames without front derailleur braze ons. 20mm of vertical adjustability.