Mountain bike 27,5 full set

Bicycle for sale, perfect condition. been using the bike for a month. but I can't ride because of knee problems. -replaced the seat with a new comfortable one, -2 reliable locks. - illuminated helmet, -lightweight alloy rear bike rack -bike fenders. I have recipes . the new set cost $565 already with tax, I'm selling the whole kit for $490 Features -Supercycle Nitrous Dual Suspension Mountain -Bike with a high-tensile frame -27.5\" (70 cm) wheels -21-speed Shimano derailleur -Front and rear V-brakes -Three-piece crank