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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
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🇺🇸 Ship from USA · On Agora since 2026
$20.00