What is the benefit of a linear fork spring rate?

Linear fork springs have a consistent spring rate throughout their travel. This means the force required to compress the spring increases at a steady rate, offering predictable and stable suspension performance during braking, cornering, and acceleration.

What type of riding is this fork spring kit best suited for?

This kit, with its K=0.85 linear rate and included fork oil, is well-suited for performance street riding and sportbike applications. It offers improved support for aggressive braking and cornering compared to many stock springs.

Do I need any special tools to install these fork springs?

Installation typically requires basic motorcycle suspension tools, such as a fork seal driver and spring compressor, along with standard hand tools. It's recommended to consult your motorcycle's service manual for specific procedures and required tools.

Bitubo Fork Springs Kit Linear K=0.85 MS53

Name: Bitubo MFORK Fork Springs Kit Linear K=0.85 (0.80-0.90) + 1 Lt. Oil
Brand: Bitubo Suspension
SKU: bitubo-suspension-bitubo-mfork-fork-springs-kit-linear-k-0-85-0-80-0-90-1-lt-oil-t14-845263
Price: 260.04 USD
Availability: BackOrder

Bitubo MFORK Fork Springs Kit Linear K=0.85 (0.80-0.90) + 1 Lt. Oil

$260.04

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Bitubo Suspension fork springs kit with linear K=0.85 rate and 1 liter of oil.

Key Features

Fits most sportbikes and performance street motorcycles.
Includes linear fork springs with a K-value of 0.85 (0.80-0.90 range).
Comes with 1 liter of specialized Bitubo fork oil.
Made from high-tensile steel for durability and consistent performance.
Linear spring rate offers predictable suspension response.

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Product Details

This Bitubo MFORK Fork Springs Kit is designed to give your motorcycle's front suspension a more consistent and responsive feel. The kit includes linear fork springs with a K-value of 0.85, which is a popular rate for many sportbikes and performance-oriented street motorcycles. This spring rate is often an improvement over stock, offering better support during braking and cornering without making the ride too harsh. You also get a 1-liter bottle of specialized fork oil to ensure proper damping performance.

Bitubo is known for its well-built suspension components, and this kit is no exception. The springs are made from strong, high-tensile steel, ensuring they maintain their rate over time and resist fatigue. The linear design means the spring rate stays the same throughout its compression, providing predictable handling. This kit is a solid option for riders looking to upgrade their front-end performance and feel, especially if they've noticed their stock suspension feels a bit soft or dives too much under braking.

When installing these springs, it's important to use the correct fork oil weight and level, which is why Bitubo includes a liter of their own fork oil. Always refer to your motorcycle's service manual for the proper procedure and oil level, as this can vary significantly between models. This kit is a great way to improve your bike's handling characteristics for spirited riding.