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Post by re5martin on Apr 10, 2016 11:55:12 GMT -5
Hi the new headstock bearings arrived via dis.bikespares , now on offering up the bottom race i notice that the steering stem is slightly fatter at the very bottom ,do i presume correctly that using some sort of drift that you simply knock the bottom race over this then build up the bearing.or do you pull it into place tightening the steering stem with top and bottom bearings in place.i cannot rember the bearings being difficult to remove.so dont want to attack it in some hamfisted way. thanks martin .
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Post by re5martin on Apr 10, 2016 12:51:55 GMT -5
with reference to previous this is using stock ballrace bearing.martin
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Post by timpa136 on Apr 10, 2016 13:23:20 GMT -5
Martin, The lower race is an interference fit, you wouldn't want it spinning around. My usual method is to use the old race as an installer and tap the new race with a drift that way. I do not press the whole thing in place by tightening. Use the thickest axle grease you have. Occasionally things may seat in over a sharp bump and require a re adjustment.
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Post by re5martin on Apr 11, 2016 14:06:42 GMT -5
thanks for that ,thats what i was thinking but didnt want to set to and mess job up for sake of asking . thanks again martin .
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Post by re5martin on Apr 17, 2016 3:44:47 GMT -5
Hi again, fitted the new ballrace bearings yesterday ,have a couple of questions ,the parts book says 18 balls per race but the race will take 19 at a comfertable fit 18 is a very loose fit and large spaces between the balls wich if either is correct?.secondly how tight should i tighten the stem nut at the moument it is only just over hand tight at there is a tight spot on the bearing when turning the steering stem in the headstock from full lock to lock should i keep tighting then back off untill the stem feels wright?.Thanks martin.
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