Gravity

Gravity fsxhd1 FSX 29 HD 1.0 Full Suspension Mountain Bike

Charge into technical singletrack with a full-suspension platform that absorbs the hits and keeps your 29-inch wheels rolling forward.

$599.00*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Aug 30, 2026.Price and availability are subject to change — details.

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Overview

On a trail where roots cross the line and loose rocks test your nerve on every descent, the difference between a hardtail and a full-suspension bike stops being theoretical. The Gravity FSX 29 HD 1.0 is built to put real trail capability within reach of riders who want front-and-rear suspension without stepping into high-end pricing. The long-travel fork handles chunky front-end hits while the adjustable rear coil-over shock tracks the ground on technical lines, keeping the rear wheel planted where a rigid rear triangle would deflect. Pair that with 29-inch double-wall rims that roll over trail debris with momentum, hydraulic disc brakes that modulate predictably on steep descents, and a genuine Shimano 24-speed drivetrain for climb-to-descent range, and you have a trail-ready platform that performs across varied terrain.

The frame is built from aluminum with CantiBeam SinglePivot Technology, balancing stiffness for efficient pedaling with enough flex compliance for extended sessions. Four frame sizes — 15in through 21in — mean adult riders across a range of heights can find a proper fit rather than compromising on geometry. The fork lock-out is a practical field feature: flip it before a long fire road climb, open it up before dropping into technical trail. At 45 pounds, the bike is honest about its price-point trade-offs — it won't feel like a lightweight trail whip — but the chassis durability and component spec deliver performance that holds up across repeated hard-use sessions. Maintenance expectations are consistent with any full-suspension bike: inspect bearings, service the shock periodically, and keep the fork seals clean.

Key Features

Powerful Hydraulic Disc Brakes

Advanced LongTravel FORKS

FULL Genuine Shim. DriveTrain

Adjustable Rear Coil-Over Shocks

Specifications

Brake Type
Hydraulic Disc Brakes
Suspension Type
Full Suspension
Shocks
Adjustable Rear Coil-Over Shocks
DriveTrain
Genuine Shimano DriveTrain

Frequently Asked Questions

The FSX 29 HD 1.0's full suspension setup — long-travel fork with lock-out and adjustable rear coil-over shock — is designed for real trail riding with roots, drops, and variable terrain. The hydraulic disc brakes and 29-inch double-wall rims back that up. Casual riders will find it capable, but the spec sheet is aimed at trail-focused cyclists.
The FSX 29 HD 1.0 comes in four frame sizes: 15in, 17in, 19in, and 21in. Generally, 15–17in suits riders roughly 5'2"–5'8", 19in covers 5'8"–6'0", and 21in is for taller riders. Check standover height and reach measurements for your build before ordering.
The lock-out switch on the advanced suspension fork stiffens the front end to reduce pedaling bob on flat or uphill sections. Engage it on fire roads or climbs to improve efficiency, and open it back up before hitting technical descents or rocky terrain.
Hydraulic discs maintain consistent stopping power in wet and muddy conditions far better than mechanical cable-actuated brakes. On the FSX 29, this means reliable modulation regardless of whether the trail is dusty, wet, or covered in debris.
The genuine Shimano drivetrain gives you a wide gear range to spin up steep climbs without grinding and to maintain speed on flat sections. 24 speeds provides enough range that most trail gradients are manageable without running out of gears.