[7] Brown was the parts manager, webmaster and technical consultant of Harris Cyclery,[8] a bike shop in West Newton, Massachusetts, as well as an enthusiast of vintage and classic bicycles in addition to cycling in general.

[17] Brown's website, developed with Harris Cyclery, includes a deeply knowledgeable and accessible database of technical bicycle information.

[26] Brown, with Galen Evans and Osman Isvan, developed a method to determine and compare bicycle gear ratios.

For any combination of front chainring, rear cog, wheel size and crank length, his method results in a number that Brown terms the "gain ratio".

[27] Also, Brown expressed opinions on chain cleaning, lubrication and wear,[28] a source of controversy in the field of bicycle maintenance.

"[40] In October 2003, Brown was awarded a certificate of commendation for his contribution to cycling by the UK's Cyclists' Touring Club (CTC).