So, it's about time to replace this derailleur, it's served me well but honestly the problems never really stopped with GX eagle.
I just don't know which route to take, since I run a helix cassette I could possibly jump to Shimano deoreXT for about $130 while keeping the SRAM chain. It should be compatible, but concrete information is sparce when mixing so many brands.
Even less information is available about the other option, LTWOO TX. Apparently for $50 shipped I can get a 12 speed shifter and derailleur. Every bike shop guy will tell you to steer clear of LTWOO but the stuff I've seen in person felt good quality. I can't find any food reviews on the TX group and even aliexpress shows maybe a dozen orders between multiple vendors. Really my biggest gripe with them is that spare parts seem to be impossible to find, everything seems to be disposable instead of rebuildable.
As far as I can tell there's no ultra reliable mechanical 12speed. Shimano is probably the best I can afford, but the mismatched parts are likely to lead to issues. LTWOO would save me enough to upgrade my brakes but I have no idea if it's just going to be a pain in the ass or actually usable. Honestly I really don't want to buy another eagle derailleur. From day 1 I've had nonstop issues, yet it's the option that makes the most sense to me.
If anyone has real experience with 12 speed outside of the usual setups your knowledge would be greatly appreciated. Sorry for the ramble.
TLDR:
- Just replace the derailleur ($100)
- Upgrade to Shimano ($130)
- (Maybe) downgrade To LTWOO ($50)
I kinda disagree, there is still a lot of waste even with the best bike brands. Hydraulic brakes are probably my biggest gripe, it's basically impossible to rebuild 4 piston calipers, and that's if they even have replacement pistons/seals to begin with. Hope and SRAM are the only two I know of that have pistons readily available but they are also overpriced to hell (it costs around $100 for 8 pistons, almost the same price as replacing the calipers entirely). Magura, TRP, and Shimano make everything in-house but they only supply parts to rebuild the levers, the calipers are basically just wear items.
Dropper posts, carbonfiber parts/frames, the 3 different hub "standards" being used, and non-standard sized bearings are all adding to the irrepairability of bicycles. And that's before you factor in that Shimano and SRAM are hell bent on using electronic shifting and shoving wireless bullshit on all their products.
Yes, a good bicycle is repairable and will last decades, it's just getting harder and harder to find new bikes that are good.