To read why sram eagle is up there with bike radar39s most wanted click here to read our staff blog on the sram eagle groupset click here the larger 14 tooth x sync lower pulley allows 10 to 50 tooth cassette capacity in this relatively compact design and also adds to eagles overall smooth pedaling feel our new type 3 roller bearing clutch features a smoother torque curve for a quieter more consistent operation and feel cage lock has been moved back and out of the way protecting