The Mongoose Ledge 2.1 is an awesome first mountain bike at an incredible value. This is a full suspension mountain bike. You can tell by the big spring in the middle and the front suspension fork. That means that the bike can go basically anywhere you choose to take item. You can hop and skip over rocks and sticks. Yeehaw! The Mongoose Ledge is a steel bike with 21 speed twist shifters and a Shimano rear derailleur. The front and rear linear pull brakes provide stopping power and the three-piece crank and alloy rims bring it all home. There is nothing you can’t do on a Mongoose. 27″.5 Mongoose Ledge 2.1 Men’s Mountain Bike:Age Range: adultMountain: dual suspensionPopular for trails and casual ridingSuspension improves handling for off-roadRugged trail riding and downhillSteel mountain style frame21 speeds with Shimano rear derailleurFront and rear linear pull brakesAssembled dimensions: 68″L x 23″W x 41″LTraining wheels? noBrakes: front and rear linear pull brakesFrame: steel mountain style frameWheel type: allow