Rotor's Ovalized Chainrings
FRIEDRICHSHAFEN, Germany - Rotor claims its product is completely different from the gone but not forgotten Biopace chainrings. A decade ago, they debuted courtesy of Shimano but didn't last.
FRIEDRICHSHAFEN, Germany - Rotor claims its product is completely different from the gone but not forgotten Biopace chainrings. A decade ago, they debuted courtesy of Shimano but didn't last.