Campagnolo Record 10 Speed Inner Chainring
Campagnolo designed this inner chainring to work specifically with 10 speed drivetrains through a slightly narrower width and teeth profiling to match 10 speed outer chainrings. Record quality ring receives AFT anti-friction coating and gives it a distinctive gray finish that adds to the performance and durability. 7075 alloy is cut not stamped. Campagnolo part number(s) FCRE-139 for 39T and FCRE-342 for 42T.