20.7mm (13/16") Chromoly Layback Seatpost - Chrome 36H They are approx

They are approx

Size: 1/2" x 3/32""

The MCS Superlight Hollow Pin Chain boasts hollow pins for enhanced weight reduction

the FASTR REACT adds distinctive rows of paddle-like serrated shoulder treads designed to better “lockdown” the tire during hard acceleration to more efficiently transfer the power of each pedal stroke into forward momentum

Color: Silver

20.7mm (13/16") Chromoly Layback Seatpost - Chrome 36H They are approxThis is a classic layback post constructed of 4130 chromoly. It will fit most Chicago made Schwinns and some old school bmx bikes. It hasa standard 7 8" top for use with seat guts. Diameter: 13 16" (20. 7mm) Length: approx 13. 75" Color: Chrome ***This is a layback post. This means that you must use some common sense when using this part. If you have a bike with a relaxed seat tube angle, or if you are a big guy, or if you raise it to the maximum