Freehub bodies were boring news until 2012 when SRAM released XD. To some, maybe they’re still boring, but not to you, apparently. You clicked on this article, so let’s talk. XD, of course, made it ...

What makes rotary ball splines ideal for dual motion How preload influences spline performance Why groove shape and ball contact matter The pros and cons of crossed-roller vs. angular-contact bearings ...

Ball splines stand out for their ability to transmit torque and maintain linear motion under load without sacrificing precision. The ball spline functions well in applications where space is limited ...