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Product description
The Shimano Tourney TY300-SGS rear derailleur features SIS Rear Indexing and Double Servo technologies to provide smooth action with perfect tracking for the most accurate SIS shifting.
- Includes BMX/track frame hanger
- SIS Rear Index Shifting System provides smooth action
- 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
Geometry
Specifications
