Brand catalog
Spectrum
A celebrated Lehigh Valley custom-frame shop, now preserved as an archive.
Spectrum Cycles was Tom Kellogg's American custom bicycle builder, specializing in steel and titanium frames, complete bikes, repairs, and refinishing.
Company history
Tom Kellogg began building frames under the Spectrum name in 1982 and brought master builder Jeff Duser into the shop in 1985. Spectrum became known for custom steel and titanium road frames and later partnered with Seven Cycles and Merlin Metal Works on titanium production. The company announced its retirement and closure in February 2021; its website remains an historical archive.
- Founded
- 1982
- Headquarters
- Breinigsville, Pennsylvania, United States (former workshop)
- Country
- US
Spectrum; owner-authorized use.
Verified public catalog
Recently updated Spectrum products
Exact variants are ordered by their latest catalog update, with a stable tie-breaker. Personal bicycle history remains separate.
No public products yet
No reviewed products with a public canonical route are available here yet.