3 day off road Mountain Bike challenger trip covering more than 110 kilometers , asphalt road ,off road, single track and trails use by local people. Mountain biking through forested, climb up hills and down hill into forested valleys, home stay with Thai Hilltribe people house . The best of off road mountain biking trip around Hanoi. - 2 half day and 1 full day off road Mountain Bike - trip covering more than 110 kilometers - asphalt road ,off road, single track and trails use by local people. - experienced mountain bikers for group tour - experienced mountain bikers and partner who don’t mountain biker for private tour - simple accommodation in home stay with local people