GT85 works fine if you apply it regularly and clean off the excess. Any build-up of crap on the derailleur will affect its performance.
What performance?
@sbbohr started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
sbbohr
GT85 works fine if you apply it regularly and clean off the excess. Any build-up of crap on the derailleur will affect its performance.