SwishTi Road Bicycle Oversized Pulley Titanium Cage for Sram Force eTap AXS

Product details  Pulley Teeth :14/16T sealed bearing (Black,Red,Gold,Gray)  Pulley material:Alloy Pulley color:Black / Red /Gold /Gray available Cage color:Metal Cage Material : Titanium Max. cog:36t Weight : approx.81 grams (black,red,gold,gray)  For Sram 12 speed Red/Force eTap AXS use     About this item SwishTi Titanium Road Bicycle Bike Oversized Pulley Wheel Ti Cage-OSPW    Why Titanium cage?    Titanium is a strong and lightweight refractory metal.   Titanium alloys are critical to the aerospace industry, while also being used in medical, chemical and military hardware, and sporting equipment.Aerospace applications account for 80% of titanium consumption, while 20% of the metal is used in armor, medical hardware, and consumer goods.Alloys containing titanium are known for their high strength, low weight, and exceptional corrosion resistance.   Despite being as strong as steel, titanium is about 40% lighter in weight.    SwishTi Wheel Bearings