I'm not sure it will help weight loss per se, but I felt it has better helped me cope with long rides living largely off fat, is what is called 'bonk training'. The idea is that you go for a 90 minute ride after you get up having consumed no calories (ie just water/black coffee or whatever) and it is supposed to make the body cope better without carbs.
The name is misleading because you should not bonk - stopping after 90 minutes should ensure this. The only time I did was because I was up a couple of hours first and doing stuff round the house before I set off - so bonked after quite a short time.
Incidentally I only consume water on any normal ride up to around 2 hours. I just take a snack in case. You may find it makes no difference to your pace swapping to water for your shorter rides.
The name is misleading because you should not bonk - stopping after 90 minutes should ensure this. The only time I did was because I was up a couple of hours first and doing stuff round the house before I set off - so bonked after quite a short time.
Incidentally I only consume water on any normal ride up to around 2 hours. I just take a snack in case. You may find it makes no difference to your pace swapping to water for your shorter rides.