READ DESCRIPTION Btwin children's bike, blue. Fully functional and ready to ride. No odd sensations. The derailleur doesn't reach the largest sprocket (gear 1). - V-brakes ✅ - 20" wheels ✅ - 1x6 drivetrain ✅ - Lubricated chain ✅ - NOT NEGOTIABLE 🚫 - I have a sales contract available Located in Barcelona 📍 Any questions—I'll answer quickly and happily. Come view it with no obligation.