LEGO Medium Stone Gray Technic Cylinder with Center Bar (41531 / 77086)

LEGO Medium Stone Gray Technic Cylinder with Center Bar has been used in at least 38 LEGO sets over the past 17 years, since it was first used in 2007. You can also find this part in at least 28 other colors. It has the design IDs 41531, 77086 which can usually be found molded into the bottom of the part.

• Connector Block
• Turbine
• Wheel