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.
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
November 4–16: Buy an eligible in-stock Sur-Ron, E Ride Pro or Electro & Co. bike and receive a credit for a free set of tires at your first tire change.Ride it first. Find your terrain. Then choose the tread that fits—street, enduro or knobby. Your tire coupon is added to your order history, ready when you need it.One tire credit per eligible bike purchase. Tires are redeemed later, not shipped with your bike. Installation is not included. Cannot be combined with other discounts. Questions? Contact Radmoto.
