Features
- TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur cage
- Double Servo enables the guide pulley to track the cogs closely while moving front to back, optimizing each shift
- Designed to keep the rear derailleur guide pulley at an optimum distance from each sprocket for accurate SIS shifting
- 13t upper and lower pulleys
- Compatible with HG 6/7/8 speed chains
*If this is not the "
Shimano Tourney TY300 Rear Derailleur Standard" product you were looking for, you can check the other results by
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Details were last updated on Aug 13, 2025 04:40 +08.