partyandBSNot really MTB but what’s the go to for Dirt Jumpers? I am considering getting a DJ or a BMX or maybe both.
DJ's haven't changed in years, and they're all very similar. Starting to see bigger sizes with longer reaches occasionally for tall riders from brands like Transition, but if you're average height, you have plenty to choose from. I'd suggest finding some models with the geo you're looking for (reach specifically), then getting one used off Pinkbike or FB marketplace. Lots of riders buy one thinking they'll ride it, never do, and then sell it after it collects dust for a while. I don't buy used MTB's, but I do buy used DJs and BMX bikes.
BMX bikes are similar. Some are tweaked for dirt jumps, some for street, some for all-around. BMX's are cheaper than DJ's if that's a consideration. A DJ rides more similarly to a mountain bike than a BMX, so maybe go DJ if you want to maintain that 'trail bike' feel, but both will carry skills over and between. If you want to hit street spots and skateparks, you'd probably enjoy a BMX more. Both work great for dirt jumps and pumptracks. Both work well for getting around, as long as there's no major hills. In terms of what to look for specifically... Try to avoid a cheap spring fork if you can, an air fork rides significantly nicer, but are more expensive.
For ref, I have a Transition PBJ. My buddy never used it, so I bought it from him. Absolutely thrashed, but still runs perfect. DJ's (and BMXs) are tanks. Feels great on dirt jumps and pumptracks, without being super different to my trail bikes. Rides like I shrunk a hardtail and made the fork really stiff.
Also got a used Fit 22" wheel BMX. It's a lot more compact and I don't get to ride it as much, but it's fun at skateparks, dirt jumps, and tricks. Feels significantly different than a MTB. Really short chainstay, which is a blast to pop off lips. Just pull up hard and press your heels in hard, works absolute magic.
**This post was edited on Mar 29th 2023 at 12:03:03am