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but they don't have rubbers around them :) I explained that I'm clueless on the topic. they look exactly like roller skate bearings from the outside and these things suck in sand like a mother$%er
sorry for wasting everybody's time
user57774-
Haha, I was actually going to post about how I've had a sealed (cartridge) rear hub and an 'open' (Shinano) front hub on my mtb for the same length of time and the front is running great but I had to change the tears the other day as they'd gotten s bit graunchy.
Guess that proves your point!
I bought a bulk load (10 I think) of bearings off eBay that worked out at about £1 a pop and just chuck new ones in whenever. It's a 5 minute job.
Should be noted that the hubs on my mtb get submerged semi regularly, my Pompino has sealed bearing track hubs with no additional shielding and gets ridden daily and very regularly in rain and has been on the same bearings for over 3 years. The rims will wear out from braking before I need to worry about the bearings.
M_V
These are both sealed bearing hubs...