RockShox Deluxe / Super Deluxe Volume Reducer Kit
RockShox

RockShox Deluxe / Super Deluxe Volume Reducer Kit

$20.00
In Stock

Three-piece RockShox volume reducer for Deluxe and Super Deluxe rear shocks — precision-molded spacers that increase mid-stroke support and control bottom-out.

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Product Details

Overview & Technology

RockShox's Deluxe / Super Deluxe Volume Reducer Kit is a simple, effective way to tune the air spring characteristics of compatible rear shocks. The kit includes three precision-molded spacers designed to change the negative chamber volume inside the shock, delivering a more progressive feel and firmer mid-stroke without changing spring pressure or sag settings. Each spacer is manufactured from a durable, low-friction composite (glass-filled nylon) to resist wear, maintain shape under pressure, and survive repeated installs. The three-piece configuration lets riders choose small incremental steps of progression so you can tailor the shock feel to your trail, pack weight, or riding style with surgical precision.

Key Features & Benefits

What you get: a 3-piece volume reducer kit designed specifically for RockShox Deluxe and Super Deluxe rear shocks (SRAM Model ID: RS-SPP-A0). The design focuses on trackable, repeatable changes to mid-stroke support and bottom-out resistance without altering external damper settings. • Three-piece kit for stepped tuning and fine adjustment. • Precision-molded composite construction—lightweight and durable. • Negligible weight penalty (shipping weight 0.1 lb) keeps your bike light. • Improves mid-stroke support and reduces reliance on frequent token swaps.

Fit, Installation & Compatibility

This kit is engineered for RockShox Deluxe and Super Deluxe air rear shocks. Confirm compatibility by matching your shock's model ID and cross-referencing the SRAM part number (RS-SPP-A0) or the manufacturer part # 11.4118.042.001. The reducer sits in the air can/negative chamber — installation requires removing the air can per the RockShox service manual. Note: Always consult your shock's service guide or a certified RockShox technician before installation. While installation is straightforward for experienced home mechanics, basic tools, clean hands, and a torque reference are required. This kit is not intended for coil shocks or non-RockShox models unless explicitly listed as compatible.

Who This Is For

Trail and all-mountain riders who want to tailor their bike's suspension response will get the most from this kit. If you ride varied terrain — from steep technical climbs to fast, chattery descents — the ability to add controlled progression can prevent harsh bottom-outs and deliver a more confident mid-stroke platform. It's also ideal for riders changing loads (bikepacking gear or heavier rider weight) or those seeking to tune a shock without swapping air pressure or changing damper setup. Mechanics and shop techs will appreciate the repeatability and small form factor for quick on-trail adjustments.

Key Features

  • ✓ Three precision-molded spacers for stepped volume tuning
  • ✓ Designed for RockShox Deluxe and Super Deluxe rear shocks
  • ✓ SRAM Model ID RS-SPP-A0 and mfr part # 11.4118.042.001
  • ✓ Glass-filled nylon composite for strength and low friction
  • ✓ Improves mid-stroke support and reduces bottom-out tendency
  • ✓ Tiny weight impact — shipping weight only 0.1 lb
  • ✓ Easy to store and swap — small 3.5" x 1.5" x 0.7" packaging
  • ✓ Ideal for riders tuning progression without changing pressure

Product Identifiers

Vendor Item # 11.4118.042.001
UPC 710845793677

Frequently Asked Questions

Will this kit fit my Deluxe or Super Deluxe shock?

This kit is made for RockShox Deluxe and Super Deluxe air shocks; check your shock's model and the SRAM Model ID (RS-SPP-A0) or manufacturer part number 11.4118.042.001 to confirm compatibility. If in doubt, check your shock service manual or contact us with your shock serial/model for verification.

How does a volume reducer affect shock performance?

Volume reducers reduce the negative chamber volume which creates a more progressive spring curve and firmer mid-stroke. The result is improved support on big hits and reduced bottom-out tendency without having to raise air pressure significantly.

Can I stack multiple pieces to increase progression?

This kit already provides three stepped spacers to choose from. In many setups you can install one or more pieces to tune progression, but avoid combining incompatible parts or non-RockShox tokens. Follow the RockShox service instructions for safe installation and recommended stacking practices.

Is installation difficult for home mechanics?

Installation requires removal of the air can and clean reassembly per RockShox procedures. If you’re comfortable with basic suspension service and have the correct tools, you can install the kit at home. Otherwise, have a qualified suspension tech or local shop fit the reducers to ensure seals and damping integrity.

Will this change my shock travel or sag settings?

Volume reducers change the spring curve (progression) but do not directly change the physical travel of the shock. You may need to fine-tune air pressure or sag after installation to retain your preferred ride height and feel.

What maintenance is required after installing the kit?

There’s no special maintenance for the spacers themselves, but standard shock maintenance intervals still apply. Inspect spacers during routine service and replace if damaged. Always use fresh seals and follow RockShox service intervals to keep performance consistent.

Buying Guide

When choosing a volume reducer, prioritize fit and incremental tuning options. Pick a kit specifically designed for your shock model (Deluxe / Super Deluxe) and look for durable, low-friction materials that won't deform under repeated use. Consider whether you want subtle progression steps (single spacer changes) or larger jumps — a 3-piece kit gives flexibility for on-trail experimentation. If you're unsure, start with a single spacer and test under real-ride conditions. If you frequently change rider weight, gear loads, or trail style, a volume reducer kit is a lightweight, low-cost upgrade that can dramatically refine the feel of your rear suspension.

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