The Shimano Tourney TY300 Rear Derailleur features 6/7 speed SIS rear index shifters and should be used with small wheeled bikes with single front chainring setup only. It also features super-short…
- 46 tooth maximum rear cog for 1x11, 42 tooth maximum for 2x11 - Low profile derailleur cage reduces collection of debris and potential for damage - Shadow clutch reduces chain slap and dropped…