Brand catalog
AESA
Cambé-made bicycle expanders from a 1961 metalworking company.
Brazilian metalworking manufacturer whose bicycle line includes cold-formed stem expanders.
Company history
AESA was formally established in Cambé in 1961 after Ronald Tkotz developed the family's spring-making operation. The company diversified into bicycle stem expanders during the 1970s and later modernized their production through cold forming.
- Founded
- 1961
- Headquarters
- Cambé, Paraná, Brazil
- Country
- BR
AESA wordmark published by AESA; original 236 × 70 transparent PNG retained without resampling.
Verified public catalog
Recently updated AESA products
Exact variants are ordered by their latest catalog update, with a stable tie-breaker. Personal bicycle history remains separate.
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