Dura-Ace/XTR CN-HG901 11 Spd. Training Wheels perfect for extended days on

perfect for extended days on the trails

which minimizes flex for fast response

Pin joint construction

Store up to 72 tennis balls and feed away

Construction:

Dura-Ace/XTR CN-HG901 11 Spd. Training Wheels perfect for extended days onThe SHIMANO HG901 11 chain receives a complete SIL TEC treatment on its plates and roller for increased durability and efficiency. Its asymmetric design ensures smooth front and rear shifts while reducing drivetrain noise. Compatible with 11 speed drivetrains, the HG901 11 is also rated for E BIKE use. HG X11 special asymmetric plate design for 11 speed Rear drive Smooth driving without noise Front drive Preserve chain security at cross chainline