Cycling Gear Ratios - Quickest Performance gain
So I got my budget bike a couple of months ago to get into Road cycling. Made a couple of basic improvements, peddles, pads etc. But as I'm getting more into it and nearing my 1000km Mark. I've noticed that I've been struggling on some of the more serious climbs 10%+ etc.
Thought this was just down to being relatively new, but then started looking into great ratios, turns out my bike has 48/38 front and 14-28 rear which means my best combo is 38, 28 giving me a ratio of 1.36 which is in no means ideal.
Now I've got the Biggin Hill sportive coming up soon which will feature lots of fun climbs. What's my best way to improve this ratio? And what would you recommend?
Just swap out the chainset and leave cassette as is?
I'm on a budget, hence the budget bike!
All help greatly appreciated!