simple , eliminate the ball bearing and run a plain bearing design . design a 100% sealed system . ball bearings get contaminated thru the seat tube and down tube just as much and thru the axle spindle , plus the micro sized balls don,t need much contamination to create drag and start wearing .
Jan. 20, 2018, 9:34 a.m. - mike
simple , eliminate the ball bearing and run a plain bearing design . design a 100% sealed system . ball bearings get contaminated thru the seat tube and down tube just as much and thru the axle spindle , plus the micro sized balls don,t need much contamination to create drag and start wearing .