Hubless e-Bike
Optional Accessories
Describes the detailed specs and options of the hubless e-bike Top Secret.

Lithium-ion Battery (48V20Ah)
An extra battery pack for long-distance driving or a battery pack for immediately exchanging a discharged battery and a charged battery.

Smart Helme
Features Action Camera, Bluetooth, Hands-free, Voice Control, LED Turn Signals, Phone call, GPS Navigation, Intercom

Fast Power Charger
(54.6V15Ah)
Overvoltage / Over temperature / Overcurrent Short circuit and polarity, Light weight,Small size, Stable, High Efficiency, Safe, etc. Accurate limits of voltage and current, prevent full charge and overcharge

Italian-made full carbon SELLE SMP saddle
"Top" design sheet and 100% carbon construction. The full carbon model is for cyclists who want the lightest weight and offers an interesting aerodynamic sense

Air Seat Saddle Suspension System
The air seat saddle suspension system is located between the saddle and the seat post and absorbs shock from the road surface while riding.

Shimano XTR Hydraulic Disc Brake Set
Optimized handlebar interface with quick response to rider action, new high-strength brake hoses and single-piece aluminum calipers, magnesium master cylinders for weight reduction

Multi-function Headlight
The USB Interface meets the charging needs of multiple devices, Charges fast, and the large-capacity battery lasts worry-free

Shimano XTR Pedal
Wide bearing arrangement for increased rigidity and uniform load distribution. Wider platform increases stability and control even when not fastened