
Gravity
Gravity Fsx 1.0 26" Full Suspension Bike Frame
Build your own full-suspension mountain bike with this 26-inch aluminum frame featuring an adjustable rear shock and disc brake mounts.
$129.95*
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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
Disc Brake Mounts
Replaceable Rear Deraileur Hanger
Adjustable Rear Shock Included
135mm Rear Spacing
Seatpost Clamp Included
Headset Included
Quality Aluminum Frame!
Specifications
Frame Material
TIG Welded 6061 Aluminum with Hydroformed Tubes
Suspension Type
CantiBeam Link Single Pivot Full Suspension
Rear Shock
KS Coilover with Adjustable Preload (Included)
Wheel Size
26 Inches
Brake Mount
Disc Brake Only
Bottom Bracket
68mm English Threaded
Seatpost Diameter
27.2mm
Seatpost Clamp
31.8mm Quick Release (Included)
Headset
Standard 1 1/8" (Included)
Rear Spacing
135mm
Rear Derailleur Hanger
Replaceable
Available Sizes
15, 17, 19, 21 Inches
Color
Gloss Black
Weight
45 Pounds
Frequently Asked Questions
What components are included with this frame?
The frame comes with an adjustable KS coilover rear shock with preload adjustment, a 31.8mm quick-release seatpost clamp, and a standard 1 1/8" headset. Bottom bracket, seatpost, fork, and drivetrain components are sold separately.
What sizes are available for this frame?
The Gravity FSX 1.0 frame is available in 15, 17, 19, and 21-inch sizes to accommodate a range of rider heights.
Does this frame support rim brakes or only disc brakes?
This frame is designed for disc brakes only. There are no rim brake mounts, so you will need to use disc brake calipers and rotors.
What bottom bracket standard does this frame use?
It uses a 68mm English-threaded (BSA) bottom bracket shell, which is compatible with a wide range of commonly available cranksets and bottom brackets.
What rear hub spacing does this frame require?
The frame uses 135mm rear spacing, which is the standard for most mountain bike quick-release rear hubs.