C60 Springs are being discontinued but are suitable for any EXT (or other brand with adapter) damper with 60mm or less stroke.

C65 Springs are for any EXT (or other brand with adapter) damper with 65mm or less stroke.

C75 Springs are for any EXT (or any other brand with adapter) damper with 65-75mm of stroke.

Features & Specifications

• Super Alloy Spring (proprietary super light design)
• Extreme Linear Ratio
• Hard Epoxy Coating
• Internal Diameter: 38.5 mm
• Developed in EXT automotive racing programs
• First dedicated to fine tuning with 25lbs increments
• Adaptable for all type of dampers in the market
• Life duration: over 500.000 cycles

Need help to calculate your spring weight?

Email the team with your rider weight, bike, and preferred riding style so that we can suggest the correct coil spring. Contact us if you have any questions.