Motorized bikes rely on sturdy, precisely matched sprockets. This guide highlights five 36-tooth options designed for 49cc–80cc engines, compatible with common 415 chains and rear hub setups. Each product is evaluated for fitment, installation ease, and reliability to help riders optimize power delivery and drivetrain alignment.
| Product | Brand | Key Fitment | Special Note |
|---|---|---|---|
| JRL Wheel Sprocket 36T | JRL | 49cc–80cc, 415 chain | Rear sprocket mounting pads included |
| sthus New Wheel Sprocket 36T | sthus | 49cc–80cc, 415 chain | Includes mounting options and 9-hole kit |
| JRL 36 T Teeth Sprocket Adapter | JRL | 1.5 inch hub, 415 chain | Adapter + install kit included |
| CDHPOWER 36 Teeth 9-Hole Sprocket | CDHPOWER | #415 chain, 9-hole pattern | 9, 6, or 3-hole compatibility noted |
| CDHPOWER 36 Teeth 6-Hole Sprocket | CDHPOWER | 415/415h chain | Mag wheel compatibility noted |
JRL Wheel Sprocket 36T 36 Tooth

Fit: 49cc, 50cc, 66cc, 80cc motorized bicycles and mopeds. Comes with a single 36T sprocket and mounting pads kit for rear sprocket installation. Includes a 9-hole mounting option geared toward CNC setups and compatibility with rear hub disc brakes bearing assemblies. This makes it a versatile choice for several common builds and upgrade paths.
sthus New Wheel Sprocket 36T 36 Tooth

Fit: 49cc, 50cc, 66cc, 80cc motorized bicycles and mopeds. Package includes 1x sprocket with mounting pads kits for rear sprocket, plus a 9-hole kit for CNC setups. Designed to align well with the wheel and provide solid power transfer for mid-range engines.
JRL 36 T Teeth Sprocket Adapter

Adapter fits 1.5 inch hubs with 415 chain compatibility. Includes a 36T multifunction sprocket, CNC adapter, and screws for secure installation. The combination is intended to streamline sprocket mounting and alignment, especially when using a sprocket clamp kit and a nine-hole spoke wheel configuration.
CDHPOWER Multifunctional 36 Teeth Sprocket

9-hole and 6-hole compatibility options, 37mm center hole diameter. Works with both #415 and #415h chains, and aligns well with the wheel through the 9-bolt pattern. Suitable for high-performance motorized bicycles looking for a robust, versatile sprocket kit.
CDHPOWER 36 Teeth 6 Holes for Mag Wheel

36 teeth sprocket with a 6-hole pattern, designed for Mag wheel setups. Compatible with 415/415h chains, and noted for stable engagement when paired with appropriate chain tensioning and rear hub adapters. This option emphasizes compatibility with wheel types used on many build kits.
Buying Guide
Key purchase considerations include compatibility with your engine size (49cc–80cc), chain type (#415 vs #415h), and hub dimensions (1.5 inch hubs or specific wheel adapters). Look for sets that include installation hardware such as mounting pads, CNC adapters, and screws to simplify alignment. A 9-hole pattern generally improves spoke alignment and reduces loosening risk, but confirm your wheel’s hole pattern before buying. Consider whether you need multiple hole configurations (9, 6, or 3 holes) for future upgrades or different sprocket-to-wheel setups. Durability, material quality, and brand compatibility with your bike’s frame are also essential for long-term reliability.
Performance considerations include torque delivery, chain compatibility, and the ability to handle frequent acceleration and deceleration typical of motorized bicycles. If you plan to upgrade components later, choose a sprocket kit that offers modular adapters or clamps. For riders focused on street reliability, prioritize sprockets with proven hub compatibility and comprehensive mounting hardware. Finally, verify seller details and return policies to ensure you receive authentic, compatible parts for your specific model.