How much does this cost to the nearest dollar?

Treehobby Metal Diff Main Gear 38T & Motor Pinion Gear 17T for RC 1/18 WLtoys A949 A959 A969 A979 K929 RC Car Buggy Upgrade Parts
Item Metal Diff Main Gear 38T & Motor Pinion Gear 17T Compatible with 1/18 WLtoys A949 A959 A969 A979 K929 RC Car Buggy Truck Features Material Metal Color Black Tooth pitch 0.7 Modulus Removable/Replaceable Car Metal Reduction Gear Motor Gear Precision Engineered for Maximum Energy Conversion Light weight and easy to use.Easy to replace.The perfect upgrade 100% New and High Quality Package Include 1x Metal Diff Main Gear 38T 1x Motor Pinion Gear 17T 1x

Price is $11.00
Price: $10.99