Give 10-20€ more, don't think about it. It requires a lot of patience and still doesn't steer correctly. The rear derailleur is a black mess.....basically, I was going by eye. There is no indication for the 23⁰ degrees, which is my gears (only from 20⁰ to 30⁰). It's good for beginners. The disc costs 4-5 euros