Originally Posted by
s5fskzfv
My bike has one chainring with 46 teeth.
The 7 speed cassette goes from 16 to 34 teeth.
(The # of teeth are approximate, I counted 90 degrees and multiplied by 4)
46/34 is quite high as a lowest gear.
If you want both better climbing and to retain your high gears, get a smaller chainring (maybe a 34) and a cassette rear wheel with an 11T smallest.
If you can do without top end, only replace the chainring.
Climbing will always be warmer work though. Even with gears enough to stay at the same effort, the lower speed means there's less airflow to keep you cool.