SRAM X0 Type 2 Pulley Set
SRAM

SRAM X0 Type 2 Pulley Set

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Precision replacement pulley set for SRAM X.0 Type 2 rear derailleurs. Composite wheels with sealed bearings deliver low friction, durable performance and an exact fit.

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Product Details

Overview & Technology

SRAM X0 Type 2 Pulley Set (PN 270363 / MPN 11.7518.018.000) is a direct-replacement jockey wheel kit engineered to restore crisp shifting on X.0 Type 2 rear derailleurs. These pulleys are built for high-efficiency drivetrain operation, reducing friction and wear while keeping chain line and tension consistent. Construction combines a precision-molded, glass-filled composite wheel body with sealed cartridge bearings and corrosion-resistant hardware. That blend of materials gives a lightweight, stiff pulley with long life under mud, grit and repeated ride abuse — exactly what aggressive cross-country and trail riders expect from SRAM X0-level components.

Key Features & Benefits

Low-friction sealed bearings: Smooth rotation minimizes drivetrain drag and keeps shifting consistent across conditions, improving pedaling efficiency and reducing wear on chainrings and cassettes. Durable composite construction: Glass-filled nylon or similar high-strength polymer resists impact and abrasion while keeping weight down. The result is a pulley set that stands up to rock strikes, grime and long service intervals. • Direct OEM fit for X.0 Type 2 derailleurs (SRAM Model ID RD-SPP-A0) • Corrosion-resistant bolts and spacers for reliable installation • Precision tolerances ensure correct chain gap and tension

Fit, Compatibility & Installation

This pulley set is specified for SRAM X.0 Type 2 rear derailleurs and carries the manufacturer part number 11.7518.018.000 (SRAM Model ID: RD-SPP-A0). It's a drop-in replacement intended to match the original jockey wheel spacing and tooth profile — replace both upper and lower wheels together for optimal performance. Installation is straightforward: remove the derailleur cage bolts, swap the pulleys (noting orientation and any spacer/shim positions), grease the threads lightly, then torque to the manufacturer's specification. Regular inspection and light cleaning extend service life — if you ride in mud or sand, check and service more frequently.

Who This Pulley Set Is For

Designed for mountain riders who own SRAM X.0 Type 2 derailleurs and want an OEM-quality replacement pulley set. Ideal for cross-country and trail riders focused on maintaining crisp shifting and efficient power transfer without adding unnecessary weight. If your shifting feels sluggish, the pulleys show lateral play, or teeth are visibly worn, replacing the pulley set restores performance and prevents accelerated wear to chains and cassettes. This part suits home mechanics and shop techs alike — OEM fit, reliable materials, and simple installation.

Key Features

  • ✓ Direct OEM replacement for SRAM X.0 Type 2 derailleurs (RD-SPP-A0)
  • ✓ Precision-molded glass-filled composite pulley bodies for durability
  • ✓ Sealed cartridge bearings for low friction and long service life
  • ✓ Corrosion-resistant bolts and spacers included for secure fit
  • ✓ Maintains factory chain gap and tooth profile for crisp shifts
  • ✓ Lightweight design reduces rotating mass without sacrificing strength

Specifications

Pulley Compatibility X.0 Type 2, 11.7518.018.000

Product Identifiers

Vendor Item # 11.7518.018.000
UPC 710845729973

Frequently Asked Questions

Will these pulleys fit my SRAM X.0 Type 2 derailleur?

Yes — this pulley set (MPN 11.7518.018.000, SRAM Model ID RD-SPP-A0) is a direct OEM replacement for SRAM X.0 Type 2 rear derailleurs. They replicate factory spacing and tooth profile for correct chain engagement.

Should I replace both pulleys or just the worn one?

For consistent performance it's best to replace both upper and lower pulleys together. Matched pulleys share the same wear pattern and tooth profile; swapping only one can lead to sub‑optimal shifting and accelerated wear on the new wheel.

How often should I service or replace these pulleys?

Service intervals depend on riding conditions. Inspect pulleys every few months or after muddy/sandy rides. Replace when teeth are visibly worn, bearings have lateral play, or rotation is rough. Well-sealed bearings typically last many hundreds of miles under normal conditions.

Do these pulleys require special tools to install?

No special tools are required beyond basic bike tools: a suitable hex bit or wrench for the cage bolts and a torque wrench if you want to tighten to SRAM's specified torque. Light grease on the threads helps prevent seizure.

Are the bearings user-serviceable or replaceable?

Most sealed cartridge bearings in modern pulleys are not designed for field servicing; they are replaced as part of the wheel assembly. If bearings become rough, replacing the entire pulley wheel is the most practical solution.

Buying Guide

When selecting replacement derailleur pulleys, prioritize compatibility and construction. OEM pulleys like the SRAM X0 Type 2 set guarantee the correct tooth profile, chain gap, and spacing to maintain factory shifting performance. Look for sealed bearings and durable composite bodies for low friction and long service life. Consider your riding conditions: if you ride in mud, sand, or heavy rain, choose pulleys with well-sealed bearings and service or replace them more frequently. For general upkeep, replacing the pulley set whenever you notice wear or play will protect your chain and cassette and keep shifting crisp.

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