Lease bike, but never used for daily commuting, only for weekend rides. Towards the end of the lease period (Q3 last year), it received general maintenance with new gears and a new chain. In October last year, I installed new gravel tires on the bike myself, as I intended to keep it. Since then, I have barely ridden it due to recurring back problems. The bike has never crashed, the paint is as good as perfect, with very small paint chips at the rear wheel dropout and on the seat tube (at the back). The original wheels showed problems (creaking) right at the beginning of the lease (Q1 2023) and...