Shimano Compact Crankset FC-R700
Shimano Compact crank
feature inner chainrings with tooth profiles that
specifically address the greater shifting demands imposed by
the compact's 16-tooth
difference in chainring sizes. This
special profile is designed to prevent the chain from falling
off when shifting down to the inner ring. Combined with other
Shimano advances in shifting technology, these rings enable the
use of a standard front derailleur with its
compact crankset.
Just because you are using Compact
specific chainrings no longer means
switching to a compact
specific front derailleur!
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