The LDC 4-Bolt Chainrings are proudly CNC machined on-site in Arizona, USA, delivering the precision and strength BMX racers demand. Every chainring is 100% inspected after machining to ensure it runs true and round with no bends or bows, guaranteeing smooth and consistent power transfer. Designed with a 104 BCD 4-bolt pattern, these chainrings are compatible with both 1/8" and 3/32" BMX chains, making them versatile and race-ready.
Key Features:
4-Bolt Chainring – 104 BCD – Fits standard 4-bolt crank spiders.
USA-Made Quality – CNC machined in Arizona for unmatched precision.
100% Inspected – Each chainring is verified true and round with no bends.
Chain Compatibility – Works with both 1/8" and 3/32" BMX chains.
Lightweight & Strong – Race-proven design for performance and durability.
Why Choose LDC BMX Chainrings?
With decades of experience in USA-made BMX components, LDC is trusted worldwide for lightweight, precision-built race parts. The 4-Bolt Chainring is designed to deliver maximum efficiency, strength, and reliability—keeping riders fast off the gate and consistent through every lap.