Zipp, Cognition Disc Brake End Caps, Rear, TA, 12x142mm, Shimano/SRAM, Set

Onyx Racing Products, Rear Endcaps for MTB/Vesper, Left Preload 12mm +3.5mm

Stan's No Tubes, Neo, End caps, Rear, 12mm TA, 142/148/157mm, CL