SRAM Pulley Kit for XX Downhill
SRAM

SRAM Pulley Kit for XX Downhill

$90.00
In Stock

Direct-replacement pulley kit for SRAM XX Downhill derailleurs with 12T upper and 14T lower T-Type wheels and 14mm stainless steel pulley screws. Durable, low-friction kit built for gravity riding.

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Product Details

Overview & Technology

SRAM Pulley Kit for XX Downhill (Model ID: RD-SPP-A0) is a factory replacement kit engineered to restore smooth, precise shifting on SRAM XX Downhill rear derailleurs. The kit includes a 12-tooth upper pulley and a 14-tooth lower pulley in SRAM's T-Type configuration, plus 14mm stainless steel pulley screws for increased corrosion resistance and secure fastening under gravity loads. The pulleys are constructed from an engineered composite wheel body with reinforced bearing interfaces to minimize weight while resisting wear from chain contact and grit. Combined with the robust stainless screws, this kit delivers the reliable, low-friction rotation downhill riders demand — especially under long, hard braking and high-torque sprinting out of corners.

Key Features & Benefits

Precision tooth counts and durable hardware: the 12T upper and 14T lower pulleys balance quick shifting responsiveness and chain management for long-cage downhill derailleurs. The tooth profile supports fast chain entry and exit while the larger lower pulley reduces friction on long cage systems. Real-world benefits include crisper shifts, reduced drivetrain drag, and a long service life in mud, grit and wet conditions thanks to corrosion-resistant screws and engineered wheel materials. The compact shipping weight (0.1 lb) and small footprint make it an ideal service spare for race mechanics and riders alike.

Fit, Compatibility & Installation

This kit is specifically compatible with SRAM XX Downhill rear derailleurs. Check your derailleur model stamping or owner manual to confirm compatibility before purchase (SRAM Model ID: RD-SPP-A0, Manufacturer Part # 11.7518.104.030). Installation is straightforward for anyone comfortable with basic drivetrain service: remove the derailleur cage, swap pulleys, torque the 14mm stainless steel pulley screws to manufacturer spec, and reassemble. We recommend light grease on the screw threads and inspecting the derailleur cage for damage while replacing pulleys.

Who This Pulley Kit Is For

This kit is aimed at downhill and gravity riders who need a direct OEM replacement for SRAM XX Downhill pulleys — racers, shuttle riders and weekend freeriders who demand durable, predictable shifting under harsh conditions. It's also a smart choice for mechanics and trail technicians stocking common spare parts: compact, lightweight, and designed to return a worn or noisy drivetrain to OEM performance quickly.

Key Features

  • ✓ Includes 12T upper and 14T lower T-Type pulley wheels
  • ✓ 14mm stainless steel pulley screws for corrosion resistance
  • ✓ Engineered composite wheel bodies with reinforced interfaces
  • ✓ Direct OEM replacement for SRAM XX Downhill derailleurs
  • ✓ Lightweight kit — total shipping weight approximately 0.1 lb
  • ✓ Restores low-friction rotation and crisp shift performance
  • ✓ Compact packaging fits mechanic kits or race spares

Specifications

Pulley Compatibility XX Downhill

Product Identifiers

Vendor Item # 11.7518.104.030
UPC 710845929212

Frequently Asked Questions

Will this pulley kit fit my SRAM XX Downhill derailleur?

Yes — this kit is a direct OEM replacement made specifically for SRAM XX Downhill derailleurs (SRAM Model ID: RD-SPP-A0, MPN 11.7518.104.030). Confirm your derailleur model marking if unsure. If your derailleur is a different SRAM model, check compatibility before purchasing.

What tools and torque settings do I need to install the pulleys?

You’ll typically need a T25 or T30 driver depending on your existing screw heads, a torque wrench, and light grease. Tighten the pulley screws to SRAM’s specified torque (consult SRAM documentation), generally low torque — overtightening can bind the pulley rotation.

Are the pulley bearings sealed or bushings?

The kit uses engineered composite wheels with reinforced bearing interfaces to deliver low-friction rotation and durability in harsh conditions. For full bearing details consult SRAM tech docs or a dealer if sealed bearings are a requirement for your application.

How often should I replace derailleur pulleys?

Replacement intervals depend on riding conditions and mileage. For aggressive downhill use expect to inspect pulleys every few months or after muddy, gritty days. Replace when you notice excessive side play, rough rotation, or visible tooth wear to maintain shifting performance.

Can I upgrade to different tooth counts with this kit?

This kit is sold with a fixed 12T upper and 14T lower configuration for the XX Downhill platform. If you want different tooth counts, confirm compatibility with your derailleur cage and consult SRAM or a mechanic, as tooth count affects chain wrap and B-gap on long-cage setups.

Does the kit include both pulley screws?

Yes — the kit includes 14mm stainless steel pulley screws intended for secure installation on the XX Downhill derailleur cage, reducing the risk of corrosion and fastener failure in wet conditions.

Buying Guide

When buying a derailleur pulley kit, always match the kit to your derailleur model and intended use. For downhill kits prioritize corrosion-resistant hardware and durable wheel materials that tolerate mud and repeated high-load impacts. Tooth counts (12T/14T) influence chain wrap and drag — larger lower pulleys reduce friction on long-cage systems. Check whether the pulleys use sealed bearings or engineered bushings if you have a service preference, and keep a spare kit or spare screws in your race or shuttle bag to avoid being sidelined by a simple wear item.

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