Overview
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.
Features
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
Includes frame hanger
Specs
Largest Cog:Â 34
Rear Derailleur Mount Type: 10×1 Standard/ Dropout Claw Hanger
Chain Wrap Capacity (teeth):Â 43
Cage Length:Â Long
Rear Der/Shifter Compatibility:Â Shimano Mountain
Drivetrain Speeds:Â 6 , 7
Warranty
All Shimano products are backed by warranty against defects in material and manufacturing.
Please see our Warranty page for the details of our warranty process as well as additional information regarding the Shimano warranty policy.

