Mountain bike is a Kona 20" or 21", aluminum frame, hydraulic brakes. Needs a tune up, rear brake not working, needs fluid, both brakes need pads, rear hub is a little stiff. Bike is really light and has best components. Bike trailer is a rare trek trailer. Has lots of ware and tare but trailer is unbreakable! Very light, single seat, folds down really well, its thin which is great for city traffic, really safe with best seatbelts/harness comes with a dust screen and rain cover. Both my girls enjoyed it until age 7! Please contact Steven at: stevenkokkinias@hotmail.com, (416)-262-7506 Serious inquires only, we live next to Édouard-Montpetit College, 10 min from Longueuil Metro Station. Can arrange delivery in greater Montreal area if inquiry is very serious.