Bronze Dragonflight set is a transmog variant from the Zaralek Cavern outdoor set

You get this set from the new vendor Shi Everbreeze, coming in patch 10.1.5. This vendor sells gear that is veteran quality (402-424 ilvl).

You can also get some of the pieces from the new Megadungeon, Dawn of the Infinite.

This gear is bought with two new currencies that are tied to the new Time Rift event:

Are earned when doing the Time Rift event.

Is rewarded when completing the weekly quest which is to complete a Time Rift event.

GEAR	COST
Back (x4 different ones)	x1 Dilated Time Capsule x5 Paracausal Flakes
Chest (Cloth/mail/leather/plate)	x1 Dilated Time Capsule x15 Paracausal Flakes
Head (Cloth/mail/leather/plate)	x1 Dilated Time Capsule x15 Paracausal Flakes
Legs (Cloth/mail/leather/plate)	x1 Dilated Time Capsule x15 Paracausal Flakes
Shoulder (Cloth/mail/leather/plate)	x1 Dilated Time Capsule x10 Paracausal Flakes
Waist (Cloth/mail/leather/plate)	x1 Dilated Time Capsule x5 Paracausal Flakes
Wrist (Cloth/mail/leather/plate)	x1 Dilated Time Capsule x15 Paracausal Flakes
One-Hand Axe	x1 Dilated Time Capsule x10 Paracausal Flakes
Dagger	x1 Dilated Time Capsule x10 Paracausal Flakes
One-Hand Mace (2 in total, Agi and Int)	x1 Dilated Time Capsule x10 Paracausal Flakes
Wand	x1 Dilated Time Capsule x10 Paracausal Flakes
Gun	x1 Dilated Time Capsule x10 Paracausal Flakes
Two-Hand	x1 Dilated Time Capsule x10 Paracausal Flakes
Staff (2 in total Agi and Int)	x1 Dilated Time Capsule x10 Paracausal Flakes
Two-Hand Sword (2 in total, int and strenght)	x1 Dilated Time Capsule x10 Paracausal Flakes
Off-Hand	x1 Dilated Time Capsule x10 Paracausal Flakes
Shield	x1 Dilated Time Capsule x10 Paracausal Flakes
Warglaives	x1 Dilated Time Capsule x10 Paracausal Flakes

Can you transform Time Rift vendor Gear into Tier Gear

At the moment on PTR, you cannot transform this gear.