Wolf Tooth RoadLink DM Derailleur Hanger Extender for Shimano rear road 11 speed Enable Wide Range Gearing with MTB Cassettes on derailleurs.

Enable Wide-Range Gearing: The Derailleur Hanger Extender allows you to use a wider range of gears by enabling compatibility with mountain bike cassettes with Shimano road Direct Mount derailleurs. Enhanced Gear Range: Supports 11-36t, 11-40t, and 11-42t 11-speed cassettes. Perfect for road, commuter, gravel, and touring bikes, providing larger gear ranges for various riding conditions. Compatibility: Fits Shimano rear derailleur R9100 Dura-Ace, R8000 Ultegra, RX800/RX805 Ultegra, R7000 105 road rear derailleurs in 1x configuration. Not for 2x GRX drivetrains. Durable Construction: Made from CNC machined 6061-T6 aluminum with a stainless steel bolt, ensuring long-lasting performance and durability, weighing just 20g (8g more than stock). Proudly Made in the USA: Designed and manufactured in Minneapolis, MN. Fits standard derailleur hangers only; direct mount frame hangers are not supported.