Shimano, Y6ZA98010, 6mm plastic caps, For 4mm shifter housing, Box of 100

Jagwire, Housing ends, 4mm, Plastic, Black, Bottle of 100

Jagwire, Lined End Caps, 4mm, Black, 50pcs

Wheels Manufacturing, 1.2mm cable crimp, Cable End Cap, 1.2mm, Silver, 250pcs

Jagwire, Sealed housing ends, 4mm, Alloy, Black, 50 units

Wheels Manufacturing, Alloy Ferrule 4mm, 4mm, Silver, 50pcs