


EXT C90 Superlight Spring
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
EXT C90 Superlight SpringC90 (up to 90mm stroke) Superlight V2 Mountain Bike Shock Spring, able to fit other brands with adaptors New improved material (proprietary super light design) Extreme Linear Ratio Hard Epoxy Coating Internal Diameter: 38. 5 mm Up to 30% weight reduction compared with other "normal" steel springs and the previous Ext Superlight springs Developed in our automotive racing programs First dedicated to fine tuning with 25lbs increments Adaptable for all
Quick Dispatch:
Your EXT C90 Superlight Spring orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your EXT C90 Superlight Spring ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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★★★★★ 5
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Color: peach+urea
This helps with dry cracked heels more than anything else I’ve tried. Will order more. I put this on, then cover with a silicone heel cup for a couple hours.
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Reviewed in the United States on February 19, 2026
★★★★★ 4
Good products
Color: peach+urea
Working just fine
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Reviewed in the United States on October 12, 2025
★★★★★ 5
Smell
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Work good
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Reviewed in the United States on January 9, 2026
★★★★★ 1
No difference
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