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RockShox Coil Spring X-Firm Rear Shock Boxxer

11.4015.380.040
₹3,750
Color: Black

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Heavy-Duty Coil Spring for Aggressive Riders

Overview

The RockShox Coil Spring X-Firm Black is designed for riders seeking maximum resistance and support on demanding trails. It’s an ideal upgrade for heavier riders or those who prefer a stiffer suspension setup.

X-Firm Spring Rate for Weight Support: Engineered to support riders weighing over 90 kg, the X-Firm coil provides added firmness for aggressive riding, improved handling and better performance during big hits and landings.

Compatible with Domain & BoXXer Forks: This spring is a direct fit for Domain Dual Crown A1–A3 (2007–2017) and BoXXer Race, RC, Team and R2C2 models (2010–2018) with 35 mm stanchions. It delivers optimal preload and travel response for these fork systems.

Durable Construction and Performance: Built to withstand harsh riding conditions, the spring features high-tensile steel construction and precise compression characteristics, ensuring consistent feel and long-term reliability.

Whether you're hitting steep descents or rugged freeride terrain, this X-Firm spring delivers the controlled, predictable performance you need to push your limits.

Features
  • X-Firm Rate for Superior Support: Ideal for riders over 90 kg, offering firm resistance for aggressive downhill and freeride terrain.
  • Compatible with Multiple Forks: Fits Domain Dual Crown A1–A3 (2007–2017) and BoXXer Race, RC, Team, R2C2 (2010–2018) with 35 mm stanchions.
  • Built for Performance: High-tensile steel ensures dependable compression and rebound characteristics under demanding conditions.
  • Enhanced Stability and Control: Provides improved preload and bottom-out resistance for big impacts and technical descents.
  • Durable and Reliable: Designed for long-term use with consistent performance across varying trail conditions.

Specifications
  • Application: Downhill, Freeride
  • Spring Type: Coil
  • Firmness: X-Firm
  • Stanchion Size: 35 mm
  • Material: High-Tensile Steel
  • Color: Black
  • Rider Weight Suitability: Over 90 kg
  • Compatibility: Domain Dual Crown A1–A3 (2007–2017), BoXXer Race/RC, Team/R2C2 (2010–2018)

Shipping, Returns & Refunds

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.