Each different adapter has a smaller diameter that inserts into the centre of a bearing and a larger diameter section that matches the outside diameter of the bearing

The DeFender™ TX set is made of high impact plastic and the highly polished underside prevents dirt buildup

(2) Ferrule

They are tuned to provide the ultimate depth perception in any given light or weather conditions

you'll need appropriate foot nut as well

DHaRCO Youth Rain Jacket - XL - Stealth PDP|PLP|Suits Freehub Type Each different adapter has aMade for adventure, rain or shine. With waterproof fabric, taped seams, and tough YKK zips, it keeps kids dry while they ride, play, or explore. The helmet friendly hood and adjustable cuffs mean a comfy fit that's ready for anything. Features Relaxed fit mountain bike specific fit Breathable waterproof fabric with a matte finish for a casual look Adjustable velcro cuffs for a close fit Secure two way adjustable over the helmet hood Two waterproof