<https://backbonebmx.com/products/salt-am-gyro-rotor-kit#product>
<http://schema.org/description>
"The Salt AM Gyro kit has everything you need to run a rotor setup on your BMX bike. The gyro kit will even work on frames that has a standard 'cupped' headset. \nFeatures \n\nComes with upper and lower rotor cables\nComes with extra set removable gyro tabs\nAll required parts supplied\nAvailable as 1″ version (suits most old school BMX bikes) or 1 1/8″ version (most modern BMX bikes)\nWeight: 191 grams\n"
<https://backbonebmx.com/products/salt-am-gyro-rotor-kit>