Well, I have done over 10,000km on them in all weathers and I have never once crashed or lost any grip. But obviously YMMV.
How to they size up on your rims?
without any actual data, my 30mm g-ones on my hed belgium+ rims seem to be approximate to gp4000IIs 28mm if I perform the eye-test (in terms of width)
Mines are 30 ish in Stans Grail
@_Zed_ started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Well, I have done over 10,000km on them in all weathers and I have never once crashed or lost any grip. But obviously YMMV.