Sun XCD lightweight crankset (50.4 bcd) with 110/74 bcd adapter. 172.5 mm crank arms. Very low mileage with barely perceptible markings from shoe rub. $175 shipped for the crankset, adapter and bolts or $225 for everything (including the low mileage Garbaruk 38t 110 bcd chainring). Price includes shipping within the continental U.S.