The Dunlop SP Sport Maxx GT in size 265/40R21 105Y XL is a flagship Ultra-High Performance (UHP) summer tyre engineered for the 2026 luxury performance market. The B marking is a prestigious Bentley homologation, meaning this tyre was specifically co-engineered with Bentley to meet the extreme weight and high-speed stability requirements of vehicles like the Bentley Bentayga and Mulsanne.

The (EU) designation signifies it is manufactured in Dunlop's high-end European facilities (typically Germany), ensuring the highest level of material quality and construction precision.