Is there any reason the plastic side of my new BB won't screw in? Anymore force and it will round off and its not cross threaded (Shimano BB-ES300) : r/bikewrench
Shimano ES300 68 x 121mm Octalink V2 Spline English Bottom Bracket | Bikeparts.Com
Shimano ES300 73 x 113mm Octalink V2 Spline English Bottom Bracket | Bikeparts.Com