2PCS Steel Bike Freewheel 11T/12T/13T Freewheel Pinion Durable Fixed Gear Cog Road Bike

Label:Yes Practical Size Specifications: The 11T cog has an outer diameter of approximately 40mm / 1.57in, the 12T cog measures approximately 47mm / 1.85in, and the 13T cog measures approximately 49mm / 1.93in. 2-Piece Cassette Cog Set: This package includes 2 bicycle cassette cogs, providing practical replacement parts for worn or damaged sprockets on compatible bike drivetrains. Multiple Speed and Tooth Options: Available in 8 Speed 12T, 9 Speed 12T, 9 Speed 13T, 10 Speed 11T, 11 Speed 11T, and 11 Speed 12T, allowing you to choose the suitable option for your bicycle setup. Durable Steel Construction: Made from steel, these freewheel pinions are designed for strength, wear resistance, and reliable use in regular riding and replacement applications. Suitable for Multiple Riding Uses: These silver cassette cogs are suitable for mountain bikes, road bikes, highway riding, and general bicycle drivetrain replacement, making them useful bike maintenance accessories.

Item type:Cassette cog Material: Steel Color: silver Type:8 Speed 12T, 9 Speed 12T, 9 Speed 13T, 10 Speed 11T, 11 Speed 11T, 11 Speed 12T

11T Outer Diameter: 40mm(1.57in) 12T Outer Diameter: 47mm(1.85in) 13T Outer Diameter: 49mm(1.93in) Quantity:2PCS

Package list:2* Cassette cog

Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.