Home » Cranksets » Pulley Wheel PULLEY WHEELS Y70A-6 ➤ Material: AL6061➤ Teeth: 12T Y70A-5 ➤ Material: AL6061➤ Teeth: 13T Y70A-7 ➤ Material: AL6061➤ Teeth: 15T Y75A-2 ➤ Narrow-Wide➤ Material: AL6061➤ Teeth: 14T Y75A ➤ Narrow-Wide➤ Material: AL6061➤ Teeth: 10T➤ Regular & Ceramic Bearings Available Technical Diagram Y70A ➤ Material: AL6061➤ Teeth: 11T➤ Regular & Ceramic Bearings Available Techincal Diagram Y70A-3 ➤ Material: AL6061➤ Teeth: 11T➤ Ceramic Bearings Technical Diagram First's Main Pages Bottom BracketsHeadsetsCranksets