{"product_id":"shimnao-tiagra-fd-r4000-11-speed-front-derailleur","title":"Shimnao Tiagra FD-R4000 11 Speed Front Derailleur","description":"\u003cp\u003e\u003cstrong\u003eShimnao Tiagra FD-R4000 11 Speed Front Derailleur\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e11-speed compatible Tiagra front derailleur delivers pro features to sport-level road riders\u003c\/p\u003e\n\u003cp\u003eExtra wide pivot link increases rigidity while reducing flex for improved shifting response\u003c\/p\u003e\n\u003cp\u003eAluminium links and band to save weight and increase rigidity\u003c\/p\u003e\n\u003cp\u003eFor road cycles equipped with 10-speed drivetrains\u003c\/p\u003e\n\u003cp\u003eBraze-on frame mount\u003c\/p\u003e\n\u003cp\u003ePlated steel chain cage\u003c\/p\u003e\n\u003cp\u003eMaximum capacity of 16 teeth, for outer rings up to 53 tooth\u003c\/p\u003e\n\u003cp\u003eCompatible with 11-speed chains and ST-R4020\/ ST-U6030 STI's only\u003c\/p\u003e\n\u003cp\u003eChoose-\u003c\/p\u003e\n\u003cp\u003eBraze on , 28.6-31.8mm , 34.9mm \u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Braze On","offer_id":48884550959321,"sku":"FDR4000F","price":38.99,"currency_code":"GBP","in_stock":true},{"title":"28.6mm-31.8mm","offer_id":48884550992089,"sku":"FDR4000BSM","price":38.99,"currency_code":"GBP","in_stock":true},{"title":"34.9mm","offer_id":48884551024857,"sku":"FDR4000BL","price":38.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0776\/7624\/9305\/files\/Screenshot_2026-07-03_at_12.15.37.png?v=1783077356","url":"https:\/\/sprockets.uk.com\/products\/shimnao-tiagra-fd-r4000-11-speed-front-derailleur","provider":"SprocketsUK","version":"1.0","type":"link"}