Crawler Canyon Tech Tip: 25¢ TRX-4 Diff Lock

Sure, spools are ten bucks. But if you have a TRX-4 and a TRX-6 under the same roof, that's $50 in spools. How about doing it for a buck and a quarter? Maybe even less! Links TRA8297 https://alnk.to/9TaVAoF Get a Crawler Canyon tee! https://www.cafepress.com/crawlercanyon IG: crawlercanyon Amazon list: https://www.amazon.com/hz/wishlist/ls...