Shock Absorber Type 632 TS CompetitionFrom the factory, the springs of the Triumph Speed Twin DD04 shock absorber have a poor block value, meaning the second spring rate engages too quickly and ride comfort is lost. We also use progressive springs, but ours provide greater comfort thanks to redesigned fork springs with an improved block value the second, harder spring rate is reached later. In addition, rebound and compression damping have been optimized for smoother performance and