Our store welcomes new and old customers to come and negotiate with us.Our company can provide OEM services for various types of folding bikes, mountain bikes, commuter bikes, electric bikes, advertising bikes, sightseeing tour bikes, and other types of bicycles.Why our mountain bike features an aluminum four-spoke stem, electroplated shoulder hydraulic shock-absorbing fork, 21-speed with 30-speed thumb shifters, 24-speed with F51 thumb shifters, 27-speed with micro thumb shifters, sealed bottom bracket, dual-layer chainring with strong load-bearing capacity, positioning chain, semi-aluminum pedals, Dongyue inner tubes, and Crocodile Emperor outer tires. All components of this product are of high quality, ensuring consumers can ride with peace of mind without any defective parts.This product is shipped in a 85-pack carton box