Race Tech Fork Tube Springs for Harley Models

Race Tech Fork Springs and Preload Spacer Material.

39mm Dyna/Sportster / 155lbs and Under

$212.00

Race Tech Fork Tube Springs for Harley Models

$212.00

Fork Size

Rider Weight

In stock

Race Tech FRSPS293885

Race Tech Fork Tube Springs are high-performance replacement fork springs designed to improve comfort, control, and overall front-end suspension performance on select Harley-Davidson models. Built with spring rates based on rider weight, these fork springs help deliver better support, improved handling, and a more controlled ride compared to worn or undersprung factory components.

Note: Please refer to the "Spring Rate Guide" below to see which fork spring rate corresponds with each rider weight range. These recommendations are based on aggressive riding and may vary depending on your exact setup, riding style, and preference. Be sure to select the correct weight range for the fork spring rate you wish to receive.

We highly recommned using Blud Racing 20W Fork Oil for maximum performance!

Product Details

Fits select Harley-Davidson models depending on fork size and application:

Harley-Davidson Dyna & Sportster models with 39mm forks
Harley-Davidson Dyna & M8 Softail models with 49mm forks
Harley-Davidson Touring models with 49mm forks
Harley-Davidson RH975 models with 41mm forks

Always select the correct fork size, model application, and rider weight option before ordering.

High-Performance Fork Spring Upgrade
Replaces the factory fork springs with rider-weight-based performance springs for improved front-end control and ride quality.

Spring Rates Based on Rider Weight
Allows riders to select a spring rate that better matches their weight, riding style, and performance needs.

Improved Comfort and Control
Helps improve front-end support, braking stability, cornering confidence, and overall suspension feel.

High Stiffness-to-Mass Ratio
Engineered for strength, responsiveness, and efficient suspension performance without unnecessary weight.

Chrome Silicon Steel Construction
Made from shot-peened, heat-treated, and preset chrome silicon steel for durability, consistency, and long-term performance.

Accurate Rates Within 2%
Designed with spring rate accuracy within 2% for predictable performance and proper suspension setup.

Built for Accuracy and Performance
Race Tech fork springs are engineered to deliver consistent, reliable suspension performance for riders upgrading their stock front forks.

Supports Multiple Harley Applications
Available for several Harley-Davidson fork sizes and models, including 39mm, 41mm, and 49mm fork applications.