Gravity FSX 1.0 Review: Current Specs and Buying Advice
BikesDirect publishes an exact Gravity FSX 1.0 listing. Verify the selected size, color, stock, checkout terms, assembly, and safety before buying.

BikesDirect publishes a retailer page explicitly titled Gravity FSX 1.0, with a displayed price, specifications, size selectors, and purchase controls. Those observations do not establish which size or color is selected, whether a particular configuration is actually in stock, or whether checkout will complete. Confirm all three at checkout before treating the bike as available.
This review is research-based. We did not ride, assemble, measure, or compare the FSX 1.0. BikesDirect is a retailer, so its page is not manufacturer proof and its listed specifications cannot be transferred to another Gravity model or an older bicycle.
What the exact retailer page showed
On August 19, 2026, the exact BikesDirect FSX 1.0 page displayed a $329.99 price, 15-, 17-, 19-, and 21-inch size choices, white, yellow, or gray color language, Add to Cart controls, and a specification table. The page also said bikes arrive up to 90 percent assembled and recommended local-shop final assembly and safety checks for buyers who are not confident doing the work.
The page did not expose a retained selected size and color or an actual stock state for that selection. Purchase controls and a displayed price are not inventory proof. Price, configuration, substitutions, shipping terms, and availability can change; checkout must confirm the exact order.
The hero is a migrated legacy product image. It illustrates a Gravity-branded full-suspension bicycle, but it does not prove the current page’s variant, selected configuration, stock, listed specifications, delivered components, or a hands-on test.
Retailer-listed FSX 1.0 specifications
The exact retailer page listed the following, subject to the page’s current terms and possible substitutions:
| Area | Retailer-listed detail |
|---|---|
| Frame | 6061 aluminum front triangle with a single-pivot rear-suspension layout |
| Fork | Suntour suspension fork with preload adjustment |
| Rear suspension | KS coil-over unit with adjustable preload |
| Drivetrain | Shimano 24-speed system with Acera rear derailleur and 11-34T eight-speed rear cluster |
| Brakes | Tektro Novela mechanical discs with 160 mm rotors |
| Wheels and tires | 26-inch double-wall rims and 26 x 2.1-inch tires |
| Listed sizes | 15, 17, 19, and 21 inches |
| Listed colors | White, yellow, or gray with a black rear triangle |
| Assembly | Up to 90 percent assembled; final setup and safety checks remain required |
Treat this table as a dated record of the exact retailer page, not a permanent factory specification. Save the checkout description and compare the delivered bike part by part before riding. A different fork, brake, wheel, tire, derailleur, or other substitution may change setup, service, and compatibility requirements.
Fit is more than selecting a height range
The retailer provides approximate rider-height guidance, but height alone cannot confirm fit. Compare standover clearance, reach, saddle-height range, handlebar position, and brake-lever access. Riders near a boundary should compare both adjacent sizes or get a shop fit assessment.
Do not order a larger frame simply to obtain a preferred color. The selected size must appear clearly in checkout, the order confirmation, and the delivered bicycle. If those records disagree, stop before assembly and resolve the mismatch with the seller.
Our mountain-bike sizing guide explains the measurements to compare. It cannot replace the retailer’s current geometry information or a test fit.
What the low-cost suspension changes
The listed single-pivot frame, coil-over rear unit, and preload-adjustable fork add moving joints and service points. Preload changes spring compression; it is not the same as damping control. The parts should not be described as equivalent to a modern air-suspension trail system.
Before riding, inspect the fork, rear unit, pivots, and mounting hardware. Stop if the fork binds or leaks, the rear end moves sideways, a pivot knocks, a mount is damaged, or fasteners cannot be verified against the applicable instructions. Do not guess torque values.
Rear suspension can improve comfort on some surfaces, but extra pivots and a shock also add weight and maintenance. A similarly priced hardtail may direct more of its cost toward the fork, wheels, tires, or brakes.
Assembly is part of the purchase
A mostly assembled bicycle is not ready by definition. The exact retailer page recommends professional final assembly and safety checks when the buyer is not confident. Budget that work before comparing prices.
Final setup should verify:
- frame and fork condition after shipping;
- headset, stem, handlebar, and control security;
- wheel seating, axle or quick-release security, and tire-bead position;
- brake mounting, rotor alignment, pad condition, cable routing, and stopping action;
- crank and pedal installation;
- drivetrain adjustment and chain routing;
- suspension mounting and movement; and
- every required fastener using the applicable instructions and torque values.
The CPSC bicycle FAQ identifies assembly, braking, structural integrity, wheels, steering parts, pedals, cranks, and fastener retention among federal bicycle safety areas. That overview does not certify this model or replace exact component instructions.
Do not ride if a wheel is loose, a brake does not hold, steering has play, a crank or pedal moves, a tire bead is uneven, the frame or fork is damaged, or the suspension hardware cannot be secured.
Where this bike’s limits matter
The retailer page presents the FSX 1.0 as a low-cost full-suspension mountain bike. That label does not prove suitability for jumps, drops, bike parks, racing, or fast technical terrain. The listed mechanical brakes, coil suspension, 26-inch wheels, and final-assembly requirement support a conservative recreational evaluation.
Use the bike only within the exact frame, fork, wheel, tire, brake, and suspension instructions that arrive with the selected configuration. If intended-use documentation is missing, ask the retailer or a qualified mechanic before riding demanding terrain.
The bike may suit pavement, multi-use paths, gravel, and mellow trails after correct fit, assembly, inspection, and a controlled first ride. That is an editorial boundary, not a manufacturer rating.
Compare full ownership cost
Add the displayed checkout price to shipping, taxes, professional assembly, fit changes, essential accessories, and early cable or bearing adjustments. Save room for tires, tubes, brake pads, and suspension service. A low initial price is less useful when the bicycle needs immediate work or does not fit.
Compare the total against a current hardtail with clearer dealer support or different components. Our mountain bikes under $1,000 guide explains why fit, brakes, drivetrain, fork service, and current documentation can matter more than rear suspension at a low price.
Checkout and delivery checklist
Before paying:
- confirm the selected size and color in the cart;
- confirm actual stock and the final delivered price;
- save the exact specification and substitution terms;
- decide who will complete assembly and safety checks;
- read return, damage, and warranty terms; and
- keep the order confirmation for comparison with the delivered bicycle.
When the carton arrives, stop for visible damage or a mismatch. Compare frame size, color, fork, brakes, drivetrain, wheels, tires, and suspension with the saved order. Do not ride first and investigate later.
Verdict
The exact BikesDirect page supplies useful dated retailer evidence for the Gravity FSX 1.0, including displayed price, specifications, size controls, and purchase controls. It does not prove manufacturer backing, a selected variant, or actual stock. Checkout and the delivered bicycle must confirm those facts.
Consider the FSX 1.0 only when the exact size fits, the selection is actually orderable, the delivered components match acceptable substitutions, and qualified final assembly is in the budget. Skip it when you need modern trail capability, clear factory documentation, or a low-maintenance platform more than the appearance of rear suspension.


