{"product_id":"sunrace-rd-m37-rear-derailleur-medium-cage-7-speed-rear-derailleur-rrdr0322-bicycle-rear-derailleur","title":"Sunrace RD-M37 7-Speed Rear Derailleur with Polymer \u0026 Steel Components","description":"\u003cdiv id=\"seqbpdescription-1\"\u003e\u003cp\u003eThe Sunrace RD-M37 is a 7-speed rear derailleur designed for mountain bikes. It features a mid cage and is constructed from engineered polymer and steel for durability. This direct mount derailleur includes an optional removable hanger. It is compatible with 6 and 7-speed drivetrains and is equivalent to Shimano models RD-TY21 and RD-A070. The derailleur weighs 265 grams and offers a 2:1 actuation ratio with a maximum capacity of 30 teeth. The color is black.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003e7-speed Sunrace RD-M37 rear derailleur designed for mountain bikes. \u003c\/li\u003e\n\u003cli\u003eConstructed with engineered polymer and steel for durability and strength. \u003c\/li\u003e\n\u003cli\u003eMid-cage design with a 2:1 gear ratio for reliable shifting performance. \u003c\/li\u003e\n\u003cli\u003eDirect mount installation with included removable hanger for easy setup. \u003c\/li\u003e\n\u003cli\u003eCompatible as a Shimano RD-TY21 \/ RD-A070 equivalent replacement part.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"SunRace","offers":[{"title":"Default Title","offer_id":42357646098499,"sku":"RRDR0322","price":16.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/26878.jpg?v=1773751587","url":"https:\/\/tecopecosafe.com\/products\/sunrace-rd-m37-rear-derailleur-medium-cage-7-speed-rear-derailleur-rrdr0322-bicycle-rear-derailleur","provider":"365 Cycles","version":"1.0","type":"link"}