Shimano Tourney RD 6/7 Speed TZ50/TZ500 RD MTB bicycle Rear Derailleur combo TX30 shifter 3/7 speed

Brand: Shimano Series: tourney TZ50 RD Product information: 1.RD-TZ50 5/6/7/ speed direct mount mtb rear mech derailleur 2.Professional looks and performance, rear mech offers so much more than its entry level price point suggests. 3.Suitable for 5,6 or 7 speed drivetrains, the Rear Mech features an oversized jocky wheel for improved service life and noise reduction. 4.famous SIS rear index shifting provides the crisp, responsive shifts you expect from a market leader while the universal pull of the cable makes the mech simple to adjust. 5.The 5/6/7 Speed is available in two mounting options to fit modern bikes with rear hangers and older bikes that require a direct mounted rear mech. 6.SGS cage can handle wide range gearing and up to 34T Cassettes. 7.13 tooth pulleys offer long service life and less noise. Specifications: Style: hook dial /eye dial Suitable: mountain bike/road bike/variable speed bike Specification: 5-6-7 speed = 15-18-21 speed Colour: Black Description: Suitable for suspended transmission gears 5-6-7 Material: aluminum alloy Size: 140mm*120mm*55mm/5.51*4.72*2.16'' Net weight: 270g Gross weight: 270g ```````````````````````````````` TX30 Type: TX30 Thumb Gear Shifter Material: Plastic，alloy Features: Useful, 3x7 Speed Design, Bike Accessories Diameter: 22.2mm/0.87"" (Approx.) Specifications: Right shifter is a trigger-type 7 speed shifter, with one lever for down-shifts and a thumb button for up-shifts. Left shifter is a friction / ratcheting thumb lever for triple cranksets. Front speed 3, rear speed 7. For 7 speed indexed SIS shifting. Optical gear display for convenient verification of gear position It works perfectly for optimum performance and maximum safety and longevity. Suitable for: mountain bike, leisure bike, road bike, folding bikes.