{"product_id":"m21-rear-derailleur","title":"M21 Rear Derailleur","description":"\u003cp\u003eM21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs.\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eRobust composite and steel construction\u003c\/li\u003e\n\u003cli\u003eCompatible with Shimano 6- and 7-speed mountain and road systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"microSHIFT","offers":[{"title":"10x1 Standard \/ 21 \/ Short","offer_id":44289324515362,"sku":"RD-M21SS","price":12.99,"currency_code":"USD","in_stock":true},{"title":"10x1 Standard \/ 43 \/ Long","offer_id":44289324548130,"sku":"RD-M21L","price":12.99,"currency_code":"USD","in_stock":true},{"title":"10x1 Standard \/ 37 \/ Short","offer_id":44289324580898,"sku":"RD-M21S","price":12.99,"currency_code":"USD","in_stock":true},{"title":"Dropout Claw Hanger \/ 21 \/ Short","offer_id":44289324613666,"sku":"RD-M21SSA","price":12.99,"currency_code":"USD","in_stock":true},{"title":"Dropout Claw Hanger \/ 39 \/ Short","offer_id":44289324646434,"sku":"RD-M21SA","price":12.99,"currency_code":"USD","in_stock":true},{"title":"Dropout Claw Hanger \/ 43 \/ Long","offer_id":44289324679202,"sku":"RD-M21LA","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/6672\/5922\/files\/RD0222.jpg?v=1757360231","url":"https:\/\/thebikehouse.net\/products\/m21-rear-derailleur","provider":"The Bike House, Bike Shop","version":"1.0","type":"link"}