Specialized Parts - Future Shock 3.0 Main Spring Kit

Specialized Future Shock 3.0 Main Spring Kit - Firm, Medium & Soft

$20.00
MPN: S233100001
Quantity:
Only 1 unit left
Pickup available at Stage 21 Bikes Please note that orders placed with local pickup will be charged California sales tax.

Specialized Future Shock 3.0 Main Spring Kit - Firm, Medium & Soft

Stage 21 Bikes

Pickup available, please note that orders placed with local pickup will be charged california sales tax.

23582 Moulton Parkway
#111
Laguna Woods CA 92637
United States

+19497163363

Booster springs used to fine tune the preload for all Future Shock 3.0 cartridges. Kit includes all three versions of the spring.

  • Soft Spring: Blue (2.3 kg-mm. / 129 in-lbs.)
  • Medium Spring: Blue (2.6 kg-mm. / 146 in-lbs.)
  • Firm Spring: Yellow (2.9 kg-mm. / 162 in-lbs.)
  • Consult the Future Shock 3.0 User Manual for suggested spring rate based on rider weight.

2026 Turbo Vado SL 2 5.0 Step-Through
2026 Turbo Vado SL 2 5.0
2026 Turbo Vado SL 2 4.0 Step-Through 
2026 Turbo Vado SL 2 4.0
2026 S-Works Roubaix SL8 LTD: Red Bull - BORA - hansgrohe Edition
2026 CREO SL E5 COMP
2025 Turbo Vado SL 2 Carbon LTD - Forward 50 Collection
2025 Turbo Vado SL 2 6.0 EQ Carbon
2025 Turbo Vado SL 2 6.0 Carbon
2025 Turbo Creo 2 Expert
2025 Turbo Creo 2 Comp E5
2025 Turbo Creo 2 Comp
2025 Sirrus X 6.0
2025 Sirrus X 5.0
2025 Sirrus X 4.0 EQ
2025 Sirrus X 4.0
2025 S-Works Turbo Creo 2
2025 S-Works Roubaix SL8 – SRAM RED AXS
2025 S-Works Roubaix SL8 LTD – SRAM RED AXS
2025 S-Works Roubaix SL8 Frameset
2025 S-Works Roubaix SL8 Di2
2025 Roubaix SL8 Sport Apex
2025 Roubaix SL8 Sport 105
2025 Roubaix SL8 Pro
2025 Roubaix SL8 Expert
2025 Roubaix SL8 Comp
2025 Diverge STR Comp
2024 Turbo Creo 2 Expert
2024 Turbo Creo 2 Comp E5
2024 Turbo Creo 2 Comp
2024 S-Works Turbo Creo 2
2024 S-Works Roubaix SL8 Frameset
2024 S-Works Roubaix SL8
2024 S-Works Diverge STR
2024 Roubaix SL8 Sport Apex
2024 Roubaix SL8 Sport 105
2024 Roubaix SL8 Pro
2024 Roubaix SL8 Expert
2024 Roubaix SL8 Comp
2024 Roubaix SL8
2024 Diverge STR Pro
2024 Diverge STR Expert
2024 Diverge STR Comp
2023 Turbo Creo 2 Expert
2023 Turbo Creo 2 Comp
2023 S-Works Turbo Creo 2
2023 Future Shock 3.3

FREE Shipping

Free shipping within USA on all orders over $99.

International Orders

For non-oversized packages (almost everything except entire bikes) we ship internationally via the US Postal Service (Priority and Express Mail).

For larger packages we ship via UPS. Time in transit will vary, but most orders will arrive within 5-7 business days after dispatch.

We are unable to provide any currency conversion information, as your bank or credit card will have its own methodology for the exchange rate. You can use websites such as XE.com to get a good calculation as to current exchange rates.

FREE Shipping

Free shipping within USA on all orders over $99.

International Orders

For non-oversized packages (almost everything except entire bikes) we ship internationally via the US Postal Service (Priority and Express Mail).

For larger packages we ship via UPS. Time in transit will vary, but most orders will arrive within 5-7 business days after dispatch.

We are unable to provide any currency conversion information, as your bank or credit card will have its own methodology for the exchange rate. You can use websites such as XE.com to get a good calculation as to current exchange rates.

Got Questions?

We can help. Reach us directly at Stage 21.

Toll Free: 855-949-7433
Local: 949-716-3363

info@stage21bikes.com

STORE HOURS

Mon through Fri 10AM - 5PM
Saturday 12PM - 4PM

Got Questions?

We can help. Reach us directly at Stage 21.

Toll Free: 855-949-7433
Local: 949-716-3363

info@stage21bikes.com

STORE HOURS

Mon through Fri 10AM - 5PM
Saturday 12PM - 4PM

Your Payment is Secure

We use a PCI level 1 compliant system for credit card processing which means that it adheres to the highest standards in the world on server compliance, payment processing, and information privacy.

Your Payment is Secure

We use a PCI level 1 compliant system for credit card processing which means that it adheres to the highest standards in the world on server compliance, payment processing, and information privacy.