5 Best 140mm Mountain Bike Fork [In 2025]

Last Updated on August 25, 2025 by Jaxon Mike

When it comes to mountain biking, having the right suspension fork can make all the difference in your riding experience. The best 140mm mountain bike forks offer the perfect balance of performance, comfort, and versatility to conquer a wide range of terrains. In this comprehensive review, we’ll dive into the top options on the market to help you find the perfect fork for your mountain bike.

5 Best 140mm Mountain Bike Fork Reviews

Overview

BUCKLOS 140mm MTB Air Suspension Fork

The BUCKLOS 140mm MTB Air Suspension Fork is a high-performance option that boasts a range of features to enhance your riding experience. With its 34mm stanchions, rebound adjustment, and manual/remote lockout, this fork is designed to provide a smooth and responsive ride on a variety of trails.

26/27.5/29 Inch Suspension Forks by LYYCX

The LYYCX Suspension Forks offer a versatile and adjustable solution for your mountain bike. With a travel of 140mm, these forks are compatible with 26-inch, 27.5-inch, and 29-inch wheels, making them a great choice for riders who want a single fork that can adapt to different bike setups.

BUCKLOS Floating Disc Brake Rotor

While not a fork, the BUCKLOS Floating Disc Brake Rotor is an essential component that can greatly enhance your braking performance. Crafted from stainless steel and aluminum alloy, these rotors offer superior heat dissipation and stopping power, ensuring a safe and reliable ride on the trails.

Mongoose Salvo Trail Mountain Bike

The Mongoose Salvo Trail Mountain Bike is a complete package that features a 140mm dual suspension aluminum frame, Free Floating Technology suspension, and a host of other components that make it a capable and comfortable option for intermediate trail riders.

Teyssor Bike Disc Brake Rotor

The Teyssor Bike Disc Brake Rotor is another high-quality option that can be used with a variety of mountain bikes. With its 160mm size and 1.9mm thickness, this rotor is designed to deliver consistent and reliable braking performance.

Buying Guide

BUCKLOS 140mm MTB Air Suspension Fork

  • Specs
    • Travel: 140mm
    • Stanchions: 34mm
    • Steerer: 1-1/8″ Threadless, Straight/Tapered
    • Axle: 9x100mm QR
    • Lockout: Manual/Remote
  • Pros
    • Adjustable rebound for customized ride quality
    • Lockout feature for efficient climbing
    • Durable aluminum-magnesium alloy construction
    • Suitable for a wide range of mountain bike wheel sizes
  • Cons
    • Heavier than some competitors
    • May require more maintenance over time

26/27.5/29 Inch Suspension Forks by LYYCX

  • Specs
    • Travel: 140mm
    • Steerer: 1-1/8″ Straight/Tapered
    • Axle: 9x100mm QR
    • Lockout: Manual/Remote
    • Materials: Magnesium alloy and aluminum alloy
  • Pros
    • Versatile compatibility with different wheel sizes
    • Adjustable rebound damping for customized performance
    • Lightweight and durable construction
    • Affordable price point
  • Cons
    • May not provide as much small-bump sensitivity as more premium forks
    • Limited information on long-term durability

BUCKLOS Floating Disc Brake Rotor

  • Specs
    • Diameter: 140mm, 160mm, 180mm, 203mm
    • Material: Stainless steel and aluminum alloy
    • Mounting: 6-bolt
  • Pros
    • Excellent heat dissipation for consistent braking performance
    • Durable and wear-resistant construction
    • Available in a range of sizes to fit various bike setups
    • Quiet braking operation
  • Cons
    • Some reports of rotors arriving slightly warped or bent
    • Noise level may vary depending on installation and use

Mongoose Salvo Trail Mountain Bike

  • Specs
    • Frame: Dual suspension aluminum
    • Fork: 140mm travel
    • Drivetrain: 18-speed trigger shifter
    • Brakes: Hydraulic disc
    • Tires: 2.25-inch knobby
  • Pros
    • Durable and lightweight aluminum frame
    • Free Floating Technology suspension for improved comfort
    • Hydraulic disc brakes for reliable stopping power
    • Suitable for a wide range of trail riding
  • Cons
    • May not be suitable for advanced riders or aggressive terrain
    • Potential for upgrades or modifications to be required over time

Teyssor Bike Disc Brake Rotor

  • Specs
    • Diameter: 160mm
    • Center Distance: 44mm
    • Thickness: 1.9mm
    • Weight: 122g
  • Pros
    • Affordable replacement option for OEM rotors
    • Easy to install with included mounting screws
    • Offers good braking performance
    • Suitable for a variety of bike types, including electric scooters
  • Cons
    • Some reports of warped or slightly bent rotors upon arrival
    • Varying opinions on noise level during braking

FAQ

What is the recommended travel for a mountain bike fork?

The recommended travel for a mountain bike fork typically ranges from 100mm to 180mm, with 140mm being a popular choice for trail and all-mountain riding. The ideal travel will depend on the type of terrain, rider weight, and personal preference.

How do I choose the right size disc brake rotor for my bike?

When selecting a disc brake rotor, you’ll need to match the size to the caliper on your bike. Common sizes include 140mm, 160mm, 180mm, and 203mm. Check your bike’s specifications or consult with a local bike shop to determine the appropriate rotor size.

What are the benefits of a lockout feature on a suspension fork?

A lockout feature on a suspension fork allows you to temporarily lock the fork’s travel, which can be beneficial when climbing or riding on smooth surfaces. This helps reduce energy loss and improve pedaling efficiency, making it a valuable feature for versatile mountain bike use.

How do I ensure my suspension fork is properly maintained?

Proper maintenance of your suspension fork is crucial for its longevity and performance. This includes regularly checking and adjusting the air pressure, cleaning and lubricating the stanchions, and servicing the internal components according to the manufacturer’s recommendations.

What is the difference between a tapered and straight steerer tube on a fork?

A tapered steerer tube starts with a larger diameter at the top (1.5 inches) and transitions to a smaller diameter (1.1/8 inches) at the bottom, providing increased stiffness and stability. A straight steerer tube maintains a consistent 1.1/8-inch diameter throughout.

Conclusion

When it comes to the best 140mm mountain bike forks, the options reviewed in this article offer a range of features and benefits to suit different riding styles and budgets. Whether you’re looking for a high-performance air suspension fork, a versatile and adjustable option, or a reliable and affordable disc brake rotor, there’s something here to meet your needs. By considering the specific specs, pros, and cons of each product, you can make an informed decision and take your mountain biking experience to the next level.

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