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jakemcree
I doubt they're as grippy as the 4000s but I've not crashed because of them. It's not like I'm pushing the handling limits of tyres during ultra races. I've done a TCR with 0 punctures on GP4000s and one with 0 punctures (and more gravel) on Pro 4 Endurance so it's a tough call. Just so long as you NEVER EVER EVER use road tubeless, you too will be as sexy to the rest of humankind as I am.