Tula Aero Wing 380mm Width- Factory SecondThis is a factory second product, so may have some cosmetic issues with the anodising or etch. This does not affect the performance of the product, and comes with our standard 2 year warranty. TULA The Unfair Legal Advantage. With minimal aero impact design and adjustability the TULA allows complete power transfer and low drag. Developed beyond industry standards and conforming to UCI 3: 1 requirements, the TULA slips through the air almost unnoticed.