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Anti Lock Bike Drum Brake Servo Drum Brake Lock 30 RPM For Shared E Bikes
The Anti-Lock Servo Drum Brake Lock is designed for shared e-bikes, shared bicycles and fleet mobility vehicles that need rear wheel braking, electronic lock control and safer anti-lock protection in one compact rear hub assembly.
Product Overview
ATL3733 integrates a rear drum brake structure with a smart locking module. The lock can receive commands from the vehicle controller, IoT module or battery-side system, allowing the vehicle platform to manage lock and unlock actions remotely. Its hidden rear hub installation helps reduce exposed locking parts and supports cleaner vehicle design for public-use mobility projects.
Compared with standard brake-lock configurations, ATL3733 adds stronger safety-oriented control through 4-magnet speed sensing and mechanical safety-speed protection. This makes it suitable for shared e-bike projects where wheel movement detection, remote operation and anti-lock logic are important for daily fleet use.
Key Features
Anti-Lock Servo Brake Lock: Combines rear drum braking and electronic smart lock control for shared mobility vehicles.
30 RPM Mechanical Safety Protection: Adds mechanical safety-speed logic, with actual vehicle speed related to wheel diameter.
4-Magnet Speed Sensing: Supports wheel movement detection for safer lock control.
I2C-Ready Communication: Supports UART, RS485, CAN and I2C for vehicle-side integration.
Rear Hub Integration: Designed for left-side rear hub or rear motor installation.
Remote Lock Control: Works with controller, IoT or battery-side systems.
IPX7 Lock-Core Protection: Suitable for outdoor operation, rain and routine washing conditions.
Fleet Mobility Use: Built for shared bikes, e-bikes, rental vehicles and public-use platforms.
Technical Specifications
Product Name
Anti-Lock Servant Brake Lock
Model
ATL3733
Product Category
Bike Drum Brake
Product Type
Servo Brake Lock / Following Drum Brake Lock
Mounting Position
Left Side Of Rear Hub / Left Side Of Rear Motor
Voltage
5V-60V DC
Communication
UART / RS485 / CAN / I2C
Power Source
Main Controller / IoT / Battery
Speed Sensing Solution
Standard 4 Magnets Per Ring, Evenly Distributed / Customizable By Requirement
Torque Resistance Test
≥160 N.m
Mechanical Safety Lock Speed
30RPM, Actual Speed Related To Wheel Diameter
Axle Hole Diameter
10 mm
Brake Diameter
100 mm
Brake Interface / Braking Performance
Servo Brake, Complies With ISO 4210-2015
Operating Temperature
-30°C To 65°C
Waterproof Rating
IPX7 Lock Core
Technology & Operation
ATL3733 works by combining a mechanical drum brake structure with an electronically controlled locking module. When the vehicle-side system sends a command, the lock performs the corresponding lock or unlock action while remaining integrated with the rear wheel brake assembly.
The 4-magnet speed sensing structure helps the vehicle system detect wheel movement status before locking. Together with the 30 RPM mechanical safety-speed protection, ATL3733 provides an additional safety layer for shared e-bike and fleet vehicle applications.
For OEM projects, ATL3733 is especially useful when the vehicle requires compact rear hub integration, remote smart lock control, speed-aware locking logic and reduced external lock exposure.
Applications
ATL3733 is suitable for shared e-bikes, shared bicycles, rental mobility vehicles and fleet platforms that require rear wheel braking, electronic locking, speed sensing and anti-lock safety logic.
It is especially suitable for public-use vehicles where operators need remote lock control, rear wheel anti-theft protection, vehicle status feedback and compact rear hub integration.
OEM & Service Support
Before sampling, OEM customers should provide rear hub structure, frame drawings, wheel size, brake layout, axle hole requirement, voltage platform, communication protocol, controller or IoT interface, speed sensing requirement, waterproof requirement, vehicle weight, load condition and target operating environment. Lofandi can support technical matching, drawing confirmation, sample preparation and project validation.
Frequently Asked Questions
Q: What is the main advantage of ATL3733? A: ATL3733 combines rear drum braking, smart lock control, 4-magnet speed sensing and 30 RPM mechanical safety-speed protection.
Q: Where is ATL3733 installed? A: It is installed on the left side of the rear hub or rear motor area.
Q: What communication interfaces are supported? A: UART, RS485, CAN and I2C are supported.
Q: Does ATL3733 support speed sensing? A: Yes. It uses a standard 4-magnet speed sensing structure, and the sensing solution can be customized by requirement.
Q: What should OEM customers confirm before sampling? A: Confirm rear hub layout, axle hole size, brake diameter, wheel size, voltage, communication protocol, speed sensing logic, waterproof requirement and operating conditions.
