it'll be safe - if the hub has got enough thread i.e. if the lockring is properly on the htread.
try to rotafix the cog on too (keep both hub and cog thread very clean (white spirit them to de grease), no glue etc. no grease - just metal on metal and tight- ) - i regularly ride with no lockring (with brakes) and never had one wind off
it'll be safe - if the hub has got enough thread i.e. if the lockring is properly on the htread.
try to rotafix the cog on too (keep both hub and cog thread very clean (white spirit them to de grease), no glue etc. no grease - just metal on metal and tight- ) - i regularly ride with no lockring (with brakes) and never had one wind off