Wheels Manufacturing BB30 EXI,HOLLOWTECH-II,MEGAEXO-LIGHT,MEGAEXO 68/73mm Bottom Bracket can be discounted heat-treated for strength and with

heat-treated for strength and with rolled threads for easy assembly

New 3D composite chain ring's teeth composition is optimized for each chainwheel load out with steel driving gear teeth and aluminum support gears

Inverted Tread Design Reduces Rolling Resistance – Less Physical Effort While Attaining Greater Speeds

2 pieces structure for rigidity and lightweight (Aluminum adapter and rotor)

Wheels Manufacturing BB30 EXI,HOLLOWTECH-II,MEGAEXO-LIGHT,MEGAEXO 68/73mm Bottom Bracket can be discounted heat-treated for strength and withMachined aluminum shell threads together for precise bearing alignment and frame fit, reducing bottom bracket creaking and premature bearing wear. Replaceable Enduro bearings Made in the USA ABEC 5 Angular Contact sealed bearings Angular contact ball bearings are particularly suitable for carrying combined axial and radial loads