At some point in the past year or so (when I first bought my renegade diablo), the right rear of my board received a knock that was hard enough to move the tube valve out of alignment with the rim slot. My best guess is that same collision is what may have initially damaged the gear drive, though not enough to affect it's performance, or for even for me to notice the valve misalignment. Somewhere between 6 to 12 months later, I rode through a tiny stream and must have collected a small rock between that gear and the drive belt, which provided enough force to finally cause the drive gear to crack beyond function, and relative belt to partially snap. This review is for the original drive gear and belt, which lasted for almost a year, even with me riding across very rocky and uneven terrain on multiple occasions. I just put the new one on yesterday, so I can review that if I ever need to replace it. Big thanks to the Evolve Team for their ongoing customer support and the best board I've ever had the pleasure of riding 👍👍