High mileage riders welcome! The BLADE R8 is a staple in the SAVA lineup. Favoured by those who are committed to riding long, riding often, or riding long often — Shimano's Ultegra Di2 is known to be the perfect blend of high performance and durability. Paired with BLADE performance and 50mm carbon DB50 wheels, it's no wonder this is the most popular SAVA the world over.