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Just buying replacement bearings from kinetic bike bearings. I see I need 1x 17287 LLB for the inner freehub and a 17287 stainless for the outer freehub. They have the LLB stainless bearing but not a normal (non LLB 17287) one. Can anyone tell me if im better off getting two LLB stainless ones or 1 LLB and one chromium 17287?
I think im right thinking the LLB ones are essentially not as well sealed but spin better?
Bookmarking as just about to buy the same.
Have a look at the existing bearings and what killed them. The stainless will resist corrosion better but be softer so more prone to wear. The chromium will resist wear better but be more susceptible to corrosion.
LLB just refers to the seal contact. It means it's a rubber seal but it has a sharp lip which makes light contact into a groove machined in the outer edge.
If you come across anyone other than Enduro making this size, please let us know.
If it counts for anything, the inner freehub bearing on mine has worn out prior to being contaminated on a couple of hubs so I wouldn't but a stainless one in there.
I’ve used the hybrid ceramic bearings from mcr bearings on eBay for the same purpose before. Can’t say I noticed any different behaviour and would probably spend the few pence more and order the Enduro bearings from Kinetic next time.
I’ve had better results with stainless for hubs than bottom brackets.