The redesigned internal structure of Ultegra FD features InfinityXross technology, which extends the cold-pressed HAGANE gear tooth surface, distributing force load over a wider area to prevent stress points and reduce wear, enhancing the reel’s longevity.
Shimano Ultegra FD Spinning Reels
See the table below for full Spec Breakdowns! Constructed with Shimano’s CoreSolid Construction Mantra, the Ultegra FD has the InfinityXross Technology which focuses on Distributing the Force Load on the Reel over a wider area reducing Stress, Wear and Flex.
Shimano Ultegra ULT2500HGD 2500HG FD Spinning Reel – 5.8:1 Retrieve Speed
The redesigned internal structure of Ultegra FD features InfinityXross technology, which extends the cold-pressed HAGANE gear tooth surface, distributing force load over a wider area to prevent stress points and reduce wear, enhancing the reel’s longevity.