Funn Rear hub Fantom

The rear hubs Funn Fantom Boost are designed to be simple, reliable, fast, and durable. They offer ultra-fast engagement with 6 pawls and a 102-point engagement ratchet at a spacing of 3.5°, providing immediate and direct power without any downtime!!! Equipped with sealed cartridge bearings and a careful construction that won't break the bank!!!! - For Boost rear spacing 12x148mm - 6-bolt mount - 32-hole drilling - CNC Machined 6061-T6 aluminum body - Shimano HG freehub - Weight 334g.