{"product_id":"rd-ty21b-ride-ready-six-and-seven-speed-rear-derai","title":"RD TY21B Ride Ready Six And Seven Speed Rear Derailleur Direct Mount For Mountain Bikes Road Bikes And Folding Bicycles With SIS Index Shifting Easy Install Durable MTB Replacement","description":"\u003cdiv\u003eDirect Mount 6\/7-Speed Rear Derailleur for MTB \u0026amp; Road Bikes\u003cbr\u003e\n✔️ Direct-mount rear derailleur supports 6\/7-speed SIS indexing, pack 1 \u003cp\u003eThis rear derailleur is designed for 6\/7-speed SIS shifting and is compatible with MTB, road, and folding bikes. It uses a direct mount design for quick, tool-friendly installation.\u003c\/p\u003e \u003cp\u003e✅ Compatible with 6\/7-speed SIS Index Shifting drivetrains\u003cbr\u003e✅ Direct mount derailleur, not hub bolt\u003cbr\u003e✅ Aluminum alloy body for durability and stable shifting\u003cbr\u003e✅ Easy to install and remove, suitable for MTB, road, folding bikes\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a rear derailleur used for in a bicycle drivetrain and how does it affect shifting performance?\n- Maintains chain tension for smooth, accurate gear shifts\n- Works with SIS indexing to ensure precise shifting across 6\/7 speeds\n- Direct mount compatibility enables quick installation on MTB, road, folding bikes\n- Durable aluminum alloy construction resists wear in rugged riding\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48522306027755,"sku":"VXB0CNPGMD1L","price":50.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61OKs_EARAL.jpg?v=1779585602","url":"https:\/\/vxb.com\/products\/rd-ty21b-ride-ready-six-and-seven-speed-rear-derai","provider":"VXB Bearings","version":"1.0","type":"link"}