Gravity
Gravity Bullseye Monster Fat Bike Frame Kit 26 Inch
★★★★★
26 Inch
Build Your Dream Fat Bike with a Solid FoundationThe Gravity Bullseye Monster Fat Bike Frame and Fork Kit provides a great starting point for your fat bike build project. This kit includes a high-quality aluminum frame, CrMo fork, headset, stem, seatpost, and seatpost clamp, giving you a solid ba...
$199.00*
Check availability
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Build Your Dream Fat Bike with a Solid Foundation
The Gravity Bullseye Monster Fat Bike Frame and Fork Kit provides a great starting point for your fat bike build project. This kit includes a high-quality aluminum frame, CrMo fork, headset, stem, seatpost, and seatpost clamp, giving you a solid base to create your ideal fat bike.
- Frame Material: Alloy 6061 Aluminum
- Fork Material: 26" CrMo Steel
- Rear Spacing: 170mm symmetrical
- Front Spacing: 135mm
- Tire Compatibility: Accepts 26 x 4.0 tires
- Headset: Included and installed
- Stem: Included and installed
- Seatpost: Included
- Seatpost Clamp: Included
Key Features
Aluminum Frame with Steel Rigid Fork
170mm rear spacing 135mm front spacing
Will Accept 26 x4.0 Tires
Seatpost and Seatpost Clamp Are Included
Headset and Stem are Included and Installed!
Specifications
Frame Material
Aluminum
Fork Material
Steel Rigid
Rear Spacing
170mm
Front Spacing
135mm
Tire Compatibility
26 x 4.0 Tires
Included Components
Seatpost, Seatpost Clamp, Headset, Stem
Pros & Cons
👍 Pros
- Constructed with a durable aluminum frame, offering a lightweight yet robust foundation for a fat bike build.
- Includes a steel rigid fork, providing direct steering and reliable performance on varied terrain.
- Features 170mm rear spacing and 135mm front spacing, compatible with a range of fat bike components.
- Designed to accept wide 26 x 4.0 tires, allowing for superior traction and floatation in challenging conditions.
- Comes with a seatpost, seatpost clamp, headset, and stem pre-installed, simplifying the initial assembly process.
👎 Cons
- The steel rigid fork might not offer suspension, which some riders prefer for comfort on rough trails.
- Only accepts 26 x 4.0 tires, limiting options for different tire sizes or widths.
- Being a frame kit, it requires additional components such as wheels, drivetrain, and brakes for a complete bike.
- The specific grade of aluminum for the frame and steel for the fork is not detailed, which could impact perceived quality.
- The included headset and stem are pre-installed, offering convenience but potentially limiting customization for riders with specific preferences.
Frequently Asked Questions
What material is the Gravity Bullseye Monster Fat Bike Frame made from?
The Gravity Bullseye Monster Fat Bike Frame features an aluminum frame paired with a steel rigid fork.
What tire size can this fat bike frame accommodate?
This frame is designed to accept 26 x 4.0 inch tires, suitable for fat bike applications.
What are the front and rear spacing measurements for this frame kit?
The frame kit has 170mm rear spacing and 135mm front spacing, important for wheel compatibility.
Are a seatpost and seatpost clamp included with the frame kit?
Yes, a seatpost and a seatpost clamp are included with the Gravity Bullseye Monster Fat Bike Frame Kit.
Does the kit come with a headset and stem installed?
Yes, the headset and stem are included and come pre-installed, simplifying the assembly process.
Related Products
