Home » Shop » Mongoose Flatrock 21-Speed Hardtail Mountain Bike, 24 to 29-Inch Wheels, for Men Women Boys and Girls, Front Suspension, 14.5 to 18-Inch Aluminum Frame Options

Mongoose Flatrock 21-Speed Hardtail Mountain Bike, 24 to 29-Inch Wheels, for Men Women Boys and Girls, Front Suspension, 14.5 to 18-Inch Aluminum Frame Options
Mongoose Flatrock 21-Speed Hardtail Mountain Bike, 24 to 29-Inch Wheels, for Men Women Boys and Girls, Front Suspension, 14.5 to 18-Inch Aluminum Frame Options - Image 3
Mongoose Flatrock 21-Speed Hardtail Mountain Bike, 24 to 29-Inch Wheels, for Men Women Boys and Girls, Front Suspension, 14.5 to 18-Inch Aluminum Frame Options - Image 4
Mongoose Flatrock 21-Speed Hardtail Mountain Bike, 24 to 29-Inch Wheels, for Men Women Boys and Girls, Front Suspension, 14.5 to 18-Inch Aluminum Frame Options - Image 5
Mongoose Flatrock 21-Speed Hardtail Mountain Bike, 24 to 29-Inch Wheels, for Men Women Boys and Girls, Front Suspension, 14.5 to 18-Inch Aluminum Frame Options - Image 6
Mongoose Flatrock 21-Speed Hardtail Mountain Bike, 24 to 29-Inch Wheels, for Men Women Boys and Girls, Front Suspension, 14.5 to 18-Inch Aluminum Frame Options - Image 7
Mongoose Flatrock 21-Speed Hardtail Mountain Bike, 24 to 29-Inch Wheels, for Men Women Boys and Girls, Front Suspension, 14.5 to 18-Inch Aluminum Frame Options - Image 8

Mongoose Flatrock 21-Speed Hardtail Mountain Bike, 24 to 29-Inch Wheels, for Men Women Boys and Girls, Front Suspension, 14.5 to 18-Inch Aluminum Frame Options

Amazon.com Price: $379.99 (as of 07/01/2025 06:07 PST- Details)

Hardtail MTB with a lightweight 6061 aluminum frame and 24-inch wheels is perfect for all terrain adventures, best fit to riders 4’8″ to 5’6″ tall
Element suspension fork improves performance and control while providing a smoother ride
21-speed twist shifters and rear derailleur provide effortless gear changes when riding up an incline or speeding down a decline

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Description

Explore rad new trails with the Flatrock mountain bike by Mongoose. The Flatrock comes equipped with a lightweight aluminum hardtail frame and Element suspension fork that are ready to tear down the trail. 21-speed twist shifters and rear derailleur provide effortless gear changes, while alloy v-brakes deliver reliable stopping power. Plus, double wall alloy rims offer lightweight durability. Get out there and explore with the Mongoose Flatrock.

Hardtail MTB with a lightweight 6061 aluminum frame and 24-inch wheels is perfect for all terrain adventures, best fit to riders 4’8″ to 5’6″ tall
Element suspension fork improves performance and control while providing a smoother ride
21-speed twist shifters and rear derailleur provide effortless gear changes when riding up an incline or speeding down a decline
Reliably stop with confidence using the front and rear alloy v-brakes, delivering dependable stopping power
Experience lightweight durability with the double wall alloy rims

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