No kidding! That is a huge reduction is weight. You gotta be feeling so much stronger and mobile. Now to hold it as you said, or maybe inch it down to 299. You reached a goal, a significant milestone, and have to "pace" yourself for a while. Keep at it and congratulations!
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FB4K - Every October we wrench on donated bikes. Every December, a few thousand kids get bikes for Christmas. For many, it is their first bike, ever. Every bike, new and used, was donated, built, cleaned and repaired. Check us out on FaceBook: FB4K.
Disclaimer: 99% of what I know about cycling I learned on BF. That would make, ummm, 1% experience. And a lot of posts.