
Gravity
Gravity FSX 1.0 Dual Suspension Mountain Bike
Built for the trails that chew up cheap bikes — the Gravity FSX 1.0 brings dual suspension, disc brakes, and Shimano shifting to entry-level riders who mean business.
$549.00*
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*Price sourced from Amazon.com. Last updated:Aug 29, 2026.Price and availability are subject to change — details.
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Overview
Key Features
Strong and Durable
Easy to Use Shifters
Adjustable Suspension - Front and Rear!
Assembly Required
Quick Release Wheels - Front and Rear
Specifications
Brand
Gravity
Model
FSX 1.0
Speeds
24
Frame
Aluminum
Fork
Suntour Long Travel, Adjustable Preload
Crankset
Alloy Triple
Shifters
Shimano EF51 24-Speed
Front Derailleur
Shimano
Rear Derailleur
Shimano Acera
Wheels
26in Double Wall Alloy
Tires
26 × 2.1 Black
Brakes
Tektro Novela Disc
Handlebar
Aluminum Riser
Seatpost
Alloy 27.2
Suspension
Front and Rear (Dual)
Frequently Asked Questions
Is the FSX 1.0 appropriate for actual trail riding, or is it more of a recreational bike?
It's genuinely trail-capable for intermediate terrain. The Suntour adjustable-preload fork and rear suspension handle roots, rocks, and loose dirt better than a hardtail at this price point. For aggressive technical singletrack or jump lines, a more purpose-built trail bike would serve you better — but for forest paths, gravel doubletrack, and moderate descents, the FSX 1.0 holds its own.
How well do the Tektro Novela disc brakes perform in wet or muddy conditions?
Mechanical disc brakes like the Tektro Novela provide consistent stopping power in wet and muddy conditions where rim brakes lose grip. They're not as modular or powerful as hydraulic discs, but for the FSX 1.0's use case they're a meaningful upgrade over traditional V-brakes at this price tier.
How much assembly is required out of the box?
Assembly is required — typically front wheel installation, handlebar setup, brake and derailleur cable adjustment, and saddle height. Basic tools and mechanical comfort are recommended. Professional bike shop assembly is an option if you're not comfortable with the initial setup.
Does the Shimano drivetrain require frequent adjustment on rough trails?
Shimano EF51 shifters paired with Acera rear derailleur are reliable and relatively easy to tune, but any derailleur system will drift slightly after repeated hard use on rough terrain. A basic cable tension adjustment every few months keeps shifting crisp.
What size rider is the 26-inch wheel configuration suited for?
26-inch wheels on a mountain bike generally fit riders from roughly 5'0" to 6'0", though standover height and seat post extension will determine the best fit. Check the specific frame size against your inseam measurement before purchasing.