My Geist Fafnir's driver broke recently, and I'm looking for a place in HK that sells separate bey parts, could use some recommendations on where i can buy them. 

Also I'd appreciate it anyone can suggest some driver alternatives for Geist Fafnir, ty in advance.

In Hong Kong, there are several places where you can find separate Beyblade parts, including drivers for Geist Fafnir. Here are some recommended stores:

Toyzone: Located in various places like Mong Kok and Causeway Bay, Toyzone offers a wide range of Beyblade parts. They often have the latest releases and spare parts available.

K-Force Hobby: This store is known for its variety of Beyblade products and parts. It's located in Mong Kok, a popular spot for toy collectors.

In's Point: This is a multi-floor shopping center in Yau Ma Tei, specializing in toys and collectibles. Several shops within In's Point sell Beyblade parts.