Components Compatible with TONNERREY D2 Dual Motor Step-Through (Black Pantera)

The TONNERREY D2 is a dual-motor step-through fat-tire e-bike with two 1000W hub motors (2000W combined), a removable 60V 30Ah (1800Wh) lithium battery, and 20" x 4.0" fat tires. It features a low-step aluminum-alloy frame, full suspension (50mm lockout fork plus a rear spring shock), hydraulic disc brakes, a Shimano 7-speed derailleur, and integrated lights with turn signals. Marketed for commuting and all-terrain use with a claimed 28 mph top speed.