SRAM X7, GX Pulley Set
SRAM

SRAM X7, GX Pulley Set

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Direct-replacement pulley set for SRAM GX/X7 Type 2 rear derailleurs. Durable glass-filled polymer wheels, sealed bearings and stainless hardware for quiet, reliable shifting.

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Product Details

Overview & Technology

SRAM X7/GX Type 2 pulley set (Manufacturer Part #: 11.7518.018.001, Product #: 270364) is a precision replacement kit for SRAM GX and X7 Type 2 rear derailleurs. These pulleys are engineered to restore crisp, efficient shifting by replacing worn wheels and hardware with a direct-fit assembly. The kit uses glass-filled nylon pulley wheels for a balance of low weight and durable wear resistance, paired with sealed cartridge bearings to reduce friction and keep grit out of the bearing race. Stainless steel bolts and washers resist corrosion and maintain secure alignment under trail conditions.

Key Features

Durable construction: Glass-filled polymer pulley wheels resist scoring and deformation while minimizing weight. Sealed cartridge bearings deliver smooth rotation and reduced drivetrain friction for more efficient pedaling. • Direct-fit for SRAM GX/X7 Type 2 derailleurs • Sealed bearings for long service life and low drag • Stainless steel mounting bolts and washers for corrosion resistance

Fit & Compatibility

This pulley set is made specifically for SRAM GX and X7 Type 2 rear derailleurs and matches SRAM Model ID RD-SPP-A0. Confirm compatibility by checking your derailleur is a Type 2 GX or X7 model before ordering. Shipping dimensions are compact (5.6" x 3.7" x 0.7") and the kit weighs approximately 0.1 lb. Available variants include an X9/X7 Type 2 option; if you run X9 or mixed-series drivetrains, verify the variant number to ensure correct tooth profile and spacing. If you have any doubt, match the Manufacturer Part # 11.7518.018.001 or contact our tech team for help.

Who it's for

This pulley set is ideal for mountain riders who want a reliable, cost-effective restoration of shifting performance on GX or X7 Type 2 derailleurs. It's perfect for trail, all-mountain and casual enduro riders who value predictable, quiet gear changes without replacing the entire derailleur. Mechanics, home wrenchers and bike shops will appreciate the direct-fit nature and durable hardware that eases installation and reduces repeat maintenance intervals.

Key Features

  • ✓ Direct replacement for SRAM GX/X7 Type 2 derailleurs
  • ✓ Glass-filled nylon pulley wheels for low weight and abrasion resistance
  • ✓ Sealed cartridge bearings reduce friction and keep out contaminants
  • ✓ Stainless steel bolts and washers for corrosion resistance
  • ✓ Restores crisp shifting and reduces drivetrain noise
  • ✓ Compact, lightweight kit — only 0.1 lb shipping weight

Specifications

Pulley Compatibility GX/X7 Type 2, 11.7518.018.001

Product Identifiers

Vendor Item # 11.7518.018.001
UPC 710845729980

Frequently Asked Questions

Will these pulleys fit my SRAM GX Type 2 derailleur?

Yes. This pulley set is a direct replacement for SRAM GX and X7 Type 2 rear derailleurs. Confirm your derailleur is a Type 2 model and match the Manufacturer Part # 11.7518.018.001 if you want to be certain.

What kind of bearings do these pulleys use?

These pulleys use sealed cartridge bearings. Sealed bearings limit contamination from mud and grit, offer smoother rotation than plain bushings, and are easier to service when needed.

How often should I replace my derailleur pulleys?

Replacement interval depends on riding conditions and mileage. For regular trail use expect to inspect pulleys every 6–12 months and consider replacement when teeth show wear, lateral play develops, or you notice increased noise and rubbing.

Can I reuse the pulley bolts from my existing derailleur?

While reuse is possible if bolts are in good condition, this kit includes stainless steel bolts and washers for a proper secure fit. Replacing bolts with the kit hardware ensures correct tension and corrosion resistance.

What's the difference between X7/GX and X9 variants?

Variants typically differ in tooth profile, spacing and sometimes materials or color to match specific SRAM series. Choose the X9/X7 variant only if your derailleur specifies that model; otherwise use the GX/X7 Type 2 kit for GX and X7 derailleurs.

Do these pulleys improve shifting performance?

Yes. Replacing worn pulleys with fresh, sealed-bearing wheels restores smooth rotation and alignment, which reduces friction and improves shift crispness and drivetrain efficiency.

Buying Guide

When buying derailleur pulley sets, prioritize fit and bearing type. Choose a kit that matches your derailleur series and model (here, SRAM GX/X7 Type 2, part # 11.7518.018.001). Sealed cartridge bearings provide smoother rotation and longer service life than plain bushings, especially in wet or muddy mountain conditions. Consider material and hardware: glass-filled polymer or engineered composite wheels give a good balance of wear resistance and weight savings, while stainless mounting hardware prevents corrosion. If you ride in aggressive or high-mileage conditions, budget to replace pulleys as part of regular drivetrain maintenance to preserve shifting precision.

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