Description
The MCS Neptune Helm Front Sprocket is a direct-mount chainwheel for compatible three-piece BMX cranks, aimed at riders building a race or retro setup without using a separate spider and chainring.
Made in the USA from aluminium with laser-etched branding, it gives you a clean, solid drivetrain connection and the distinctive Neptune look without turning the description into a spreadsheet.
Direct, simple and properly old-school. Just make sure the crank fit is right before ordering.
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