Mongoose Flatrock

Price: $199.99 - $324.99
(as of Jan 08, 2026 17:23:50 UTC – Details)


Adventure starts where the pavement ends with the Mongoose Flatrock, a mountain bike built for all-terrain fun. With 26-inch wheels, this mountain bike for men, women and teenagers is ideal for riders between 5’4″ – 6’2″ and is ready to head off the beaten path. Its knobby mountain tires provide the traction needed to conquer new terrain with confidence. The lightweight aluminum frame is easy to handle while delivering big-time performance. Equipped with twist shifters, this 7-speed bike ensures the right gear for tackling varied terrain. Linear pull brakes provide reliable stopping power, keeping riders in control. When you’re riding past where the pavement ends, the Flatrock is ready for the adventure. Assembly is easy with a few common household tools and the included instruction guide. At Mongoose, we know our roots – as pioneers in BMX and action sports for over 50 years, we’re dedicated to delivering an epic ride every time. Get ready to push the limits.
HARDTAIL MOUNTAIN BIKE: Get ready to explore new trails on the Flatrock by Mongoose. Featuring 26-inch wheels, this bike is perfect for riders from 5’4″ – 6’2″ tall. Roll over difficult terrain with ease.
BORN IN DIRT: Lightweight yet durable with an aluminum mountain frame, this teens, womens and mens mountain bike is ready to explore off the bike path and keep up with adventurous riders.
BUILT FOR ADVENTURE: This Mongoose mountain bike is ready to roll with knobby mountain tires for durable traction. The suspension fork absorbs bumps and uneven terrain, ensuring a smooth, controlled ride.
SHIFT INTO GEAR: This 7-speed bike boasts twist shifters for smooth shifting and the right gear for your ride. Linear pull brakes provide reliable stopping power, giving riders control on rough terrain.
KNOW YOUR ROOTS: As one of the OGs in BMX and action sports, Mongoose has helped bring this movement to the world. For over 50 years, we’ve been all about epic rides and pushing limits – and we’re just getting started.