The annual average-ish UK low humidity is about 70% and high humidity in the low 90s% so I'd say a permanent 70% is quite good. A periodic wipe with an oily rag wouldn't do any harm anyway. https://www.currentresults.com/Weather/United-Kingdom/humidity-annual.php
Great, thank you!
@liotr started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
liotr
The annual average-ish UK low humidity is about 70% and high humidity in the low 90s% so I'd say a permanent 70% is quite good. A periodic wipe with an oily rag wouldn't do any harm anyway.
https://www.currentresults.com/Weather/United-Kingdom/humidity-annual.php