Tauranac believed that contemporary monocoques were not usefully stiffer than a well-designed spaceframe and were harder to repair and maintain.[11] The latter was a particular concern for Brabham, which was the largest manufacturer of customer single-seater racing cars in the world at the time. The company's reputation rested in part on BRO – effectively the official 'works' team – using the same technology as its customers, for whom ease of repair was a significant consideration. One mildly novel feature was the use of oval-section, rather than round, tubing around the cockpit, where the driver sits.