All Gazelle Champion Mondial, Trophy and Formula frame sets left the factory with 27.0mm crown diameter. So, ready for JIS head set.
Late sixties mid-range Carltons, early eighties Holdsworthy things, and 'top end' (?) late eighties Raleigh mountain bikes too. Hours of fun.
@36x18 started
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Late sixties mid-range Carltons, early eighties Holdsworthy things, and 'top end' (?) late eighties Raleigh mountain bikes too. Hours of fun.