Sold ✅ Mountain bike, Trinx M116 Pro model. Frame: Made of light and durable aluminum Wheels: 29-inch size Gear System: Equipped with a Shimano gear set consisting of 21 speeds (3 front gears and 7 rear gears). Brakes: Front and rear disc brakes for strong braking response. Suspension: Front suspension system to absorb shocks on rough terrain.