Building on the previous post, it's clear that while 29" tubes might work as a substitute for 700c, there's a certain level of risk involved. It's like playing a game of tube roulette, where you're hoping that the slight size difference won't cause any issues.
However, the real question here is, why are we even considering this? The environmental impact of our choices should always be a consideration. By opting for a new 700c tube, you're ensuring a perfect fit and reducing the risk of a premature replacement.
On the other hand, if you go for the 29" tube, you're potentially contributing to the cycle of waste. It's like buying a pair of shoes that's just a tiny bit too small. Sure, they might fit, but at what cost?
So, my fellow cyclists, let's be mindful of our choices. Let's not add to the landfills unnecessarily. Choose the right tube, not just the one that might work. Remember, every little bit helps in preserving our beautiful planet. ;-D