This Planetary Gear Assembly is a universal fit for all Currie Electric Bikes, and USPD Pro-drive Convertion Kits. This part is OEM from Currie Technologies. sk-planetg Home | New Arrivals | Nintendo Wii | Playstation 3 | Electric Scooters | Scooter Parts | Electric Bikes | Schwinn Scooters | Ezip Scooters | Xbox 360 | Nintendo DSi | Shipping Information | FAQs | About Us | Scooter Laws | Warranty & Returns | Show Order | Privacy Policy | Help