These have to be the smoothest

Sealed Rear Hub

A hollow 22mm

The Jet BMX Square Taper Race Cranks are high-quality

The hub comes in a multitude of deep anodised colours complete with aluminium hardware and steel caped cone washers to grip this hub in your forks better

Merritt Tension Hub Guard Colour:Black These have to be theUniversal plastic hub guard that easily attaches to the spokes with a simple spring clip that keeps the guard under tension and in place. The tension system is away from the grind side, so it isn't affected as the guard wears down. Works on most front hubs and some rear hubs. Weight: 25g 0. 9oz.