he SE Bikes one-piece alloy chainring is designed for BMX and cruiser bikes that use traditional one-piece cranksets. It provides a straightforward, durable drive option for single-speed setups.
This chainring is commonly used as a replacement on classic BMX builds or restorations where one-piece crank compatibility is required.
Key Features
• One-piece chainring designed for one-piece (Ashtabula-style) cranks
• Alloy construction for reduced weight compared to steel rings
• Standard tooth profile for reliable chain engagement
• Designed for single-speed use
Compatibility & Use Notes
• 33-tooth chainring
• Compatible with 1/2" x 1/8" chains
• Mount compatibility: one-piece crank only
• Not compatible with three-piece or spider-based cranksets
• Available in anodized color options
Service / Ownership Context
Chainring wear affects chain life and drivetrain noise. Chain alignment and proper chain tension are important on one-piece crank systems. Periodic inspection is recommended, especially on bikes ridden regularly.
Fit & Use Signals
• Good fit for BMX or cruiser bikes with one-piece cranks
• Good fit for single-speed drivetrains
• Good fit for 1/2" x 1/8" chain setups
• Not a fit for three-piece crank systems
• Not a fit for multi-speed drivetrains
