PROMAX Brand Story Promax Brand is founded by Leechi Ent.. Leechi Co. officially registered the trademark in 1990 (Taiwan and USA), and won the golden global award in 1997... Sponsor Team PROMAX IS THE OFFICIAL BRAKE SUPPLIER TO TEAM REDLINE,DIAMONDBACK...                 Tips for Cycling Bicycle、Articles about Cycling Tips for Maintenance step1. Mount rotor to hub by aligning bolt holes on rotor with holes on hub rotor flange, arrow side out. Using the M5 x 11mm screws, secure in a star pattern tightly....