ROTOR PF4630 BB. You had your choice of any bike in the shop but you made your selection based on potential upgrade options. The Press Fit 4630 will easily accommodate your handpicked rig with its press fit, 46mm diameter with 30mm axle BB shell. ROTOR conceived its Universal Bottom Bracket (UBB) concept to eliminate the complicated bottom bracket/crank compatibility challenge that has increasingly frustrated the mechanics at your LBS. The Press Fit 4630 is the "yes" component to "Is this compatible with my press fit 46mm diameter BB shell for a 30mm axle?" ROTOR PF4630 BB features: Weight-PF4630 BB steel black - 106g Material-100% CNC-machined, 7075 aluminum. Silicone seals and center sleeve Compatible Crankset Brand-ROTOR Material Bearing-Steel Axle diameter compatible-30mm Frame Type-PF30 | PF30A | BBright | BB386EVO | BB392EVO Discipline- Road | Triathlon | Gravel | Cyclocross | MTB Please visit our website at http://www.ecomtb.com.my OR https://shopee.com.my/eco_mtb ** There is 1-3cm errors due to manual measurement. Please kindly understand. ** Actual product colour may slightly vary due to photographic lighting sources or your monitor settings. ** WE DO NOT DO COD ** ONLINE ONLY ** We support original products only. ** PRICE INDICATED IS ALREADY BEST PRICE, EXCLUDE COURIER