Bike Rear Derailleur Tourney RD-TZ31 6 7 Speed Hanger Mount For MTB Bike SIS Indexed Shifting Compatible Durable Alloy Construction Beef Up Your Ride With A Smooth Gear Upgrade For Trail And City Rides
✔️ Fits 6/7 speed SIS indexing, hanger mount, durable aluminum alloy
This RD-TZ31-A-GS rear derailleur is a reliable, lightweight aluminum alloy unit designed for frames that use a hanger-mount. It’s compatible with 6/7 speed SIS indexed shifting drivetrains, making gear changes smooth on trail or city rides.
✅ 6/7 speed SIS indexed shifting compatibility
✅ Hanger mount (hub bolt mount), not direct mount
✅ Aluminum alloy construction for durability and light weight
✅ Suitable for MTB, road, folding, city bikes, and more
💡 What is a bike rear derailleur used for and how does the RD-TZ31 fit different setups? A quick, handy explanation: - Enables smooth gear changes across 6/7 speeds - Hanger-mount design works with many frame types - Aluminum alloy construction resists wear and keeps weight down - Works with SIS indexed shifting for precise updates