Greetings,
F2P players can buy the mounts like Lightning Bolt, Kelpie: Lightning Bolti Manabike...etc via Collector's Editions. Some Editions give its directly and some Editions sell its via Coupons. Coupons let you buy it from Boutique with Crystals.
For example, current Collector's Edition contains Manabike's Trinket & Kelpie: Lightning Bolt Coupon.
https://allods.my.games/en/collectors-editions11
This mounts are the one of the main items of Collector Editions.
In addition to you can get Lighting Bolt from the Magic Mosaic sales & Free Traders Tickets.