RockShox Maxle Stealth Rear Thru Axle: 12x148 188mm Length Boost Split Pivot BB/Frame Interface-BB89.5 is as hard as tungsten

is as hard as tungsten carbide and has a very low coefficient of friction

For previously unattainable light weight with optimum stability and power transfer

or EC (traditional External Cup) available for 1-1/8 inch and tapered steerers

The machine can be locked at different heights

5mm steerer tubes

RockShox Maxle Stealth Rear Thru Axle: 12x148 188mm Length Boost Split Pivot BB/Frame Interface-BB89.5 is as hard as tungstenRockShox Maxle Stealth Rear Thru Axle: 12x148 188mm Length Boost Split Pivot. Maxle Stealth Rear Thru Axle keeps your bike neat and tidy. TECH SPECS Color Black Weight 37 Thread Pitch 12 x 1. 75 Thread Length (mm) 20 Axle Diameter (mm) 12 Over Locknut (mm) 148 Overall Length (mm) 180