Wolf Tooth Components GoatLink 10 Speed Compatible With Shimano Shadow+ 10-speed Rear Derailleurs (Clutch Type Only) The Goatlink Is Optimized For Use With Wolf Tooth’s 40- And 42-tooth Gcs And All Sizes Of Drop-stop Chainrings – But Will Work With Any 11-40t Or 11-42t 10-speed Cassette. Direct Mount-native Frames And Sram Rear Derailleurs Are Not Supported. You Will Never Need A Longer B-screw With The Goatlink *Due To Variations In Derailleur Hanger Geometry, Chainstay Length, Chainring Size, B-screw Adjustment, And Suspension Configuration, Individual Results Will Vary Slightly.
