Length of knee pad: The exact length isn't stated but they will extend up under most shorts without leaving a gap and will extend midway down the shin

Fits all cranks using 22mm x 1 threads and square

How does it carry them: Top tube slides on and you use the included bungees to safely secure your bikes

There’s only one thing they’re missing: a real drivetrain

Enduro CO 6806 30mm x 42mm x 7mm Bottom Bracket Bearing - 30mm - 42mm - 7mm - ABEC-5 Ceramic Bearing - Black Oxide Dropship Length of knee pad: TheCO 6806 LLB ABEC 5, Enduro Zero, Ceramic Hybrid Black Oxide treated radial bearing 30mm x 42mm x 7mm Enduro Zero Ceramic Hybrid Radial bottom bracket Bearing featuring Black Oxide treated 52100 High Carbon chromium alloy races paired with grade 5 Silicon Nitride Ceramic balls with 90% fill, high pressure, water proof grease. Si3N4 ceramic balls reduce bearing wear and increase bearing life by eliminating steel on steel contact within the bearing.