500m @ 30mph in 70" is fine. If you're intending on using leg strength over lung strength though, you'll be wanting to up your gear quite a bit.
My biceps were properly fucked after various competitive hillclimbs - think 2-3 minutes, with the last minute pushing out 8-10watts/kg power on a 25% gradient.
500m @ 30mph in 70" is fine. If you're intending on using leg strength over lung strength though, you'll be wanting to up your gear quite a bit.
My biceps were properly fucked after various competitive hillclimbs - think 2-3 minutes, with the last minute pushing out 8-10watts/kg power on a 25% gradient.