Upgrade Your Cycling Experience: Transition from a 3-9 Gear Groupset to a 1-12 Gear Groupset
I bought this Sram set: https://www.bike-discount.de/en/sram-nx-eagle-dub-12-speed-group-11-50t-boost-175mm?number=20114148&__delivery=7&__currency=1&gad_source=1 I have used it for 2 years and it works perfect for the price I needed a bottom bracket so tjeck the size of the crank. You need to buy one that fits: 1 NX Eagle “DUB” 12-speed Boost Crankset 32T and your bike