Bike Bottom Bracket for Rotor 30MM Axle Chainring XXF 304111 Bearing PF4130 BB86/89/92 Frame Bottom Bracket
Bottom Bracket fit for Rotor 30mm Axle,please check the size before order,the pressed area diameter is 41mm,fit for normal BB86 89 92.This BB bearing is 0mm stack height.single row structure,Improve anti-corrosion sealing,suitable for outdoor environment.The zinc plated bearing will be a little dry in the initial use, and it will reach the best condition after running in for 30km
the option bearing stack height is 1.2mm for 1 side,double row bearing design, fit for track bike.
NOTICE:Galvanized bearings have a layer of zinc plated on the bearing surface, so they feel a little dry initially. This is not a quality problem. The best condition can be achieved after running in for 30km. Acceptable for repurchase, cannot be used as a reason to return or refund.
?
?

