Campagnolo Record 10 Speed Outer Chainring
Stock Campagnolo outer chainring works with Campagnolo CT Compact cranks only due to proprietary 110mm bolt pattern. Both 48t and 50t are designed to be paired with Campy Compact CT inner chainrings only. AFT anti-friction coated 7075 alloy ring is Record quality. Campagnolo part number(s) FC-RE048 for 48T and FC-RE250 for 50T.