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5DEV is a high-performance cycling components brand designed and manufactured in San Diego, California. Built on an aerospace-grade materials philosophy, 5DEV produces rider-driven components for MTB, Road/Gravel, and BMX disciplines.

Their core product range spans cranks (including eBike-specific and titanium options), bottom brackets, stems, flat pedals, chainrings, pulley wheels, spindles, and headset parts. Flagship products include the RGXC Titanium Cranks for road/gravel/XC, titanium MTB cranks, and their Trail/Enduro flat pedals — featuring machined grooves and double-sealed bearings built for DH, Enduro, and Trail riding.

5DEV's signature use of aerospace alloys and titanium across their range sets them apart, with a product philosophy centred on performance, durability, and rider input.