SRAM Eagle Chain Gap Tool B-Gap Adjuster 50T 52T AXS Mechanical

SRAM Factory Rear Derailleur Chain Gap (B-Gap) Adjustment Guide

This genuine SRAM factory chain gap adjustment tool is the most accurate and efficient way to properly set rear derailleur chain gap (B-gap) on SRAM Eagle 50T and 52T cassettes. Designed for both AXS wireless and mechanical Eagle drivetrains, it ensures precise derailleur positioning for smooth shifting, reduced noise, and maximum drivetrain performance.

Small, lightweight, and durable, this tool is ideal for professional workshops and trail-side tuning alike.

Key Features & Benefits

• Genuine SRAM OEM setup tool
  Designed to SRAM factory specifications for Eagle drivetrains

• Precise B-gap adjustment
  Ensures optimal derailleur position for crisp, reliable shifting

• AXS & mechanical compatible
  Works with both wireless and cable-actuated Eagle rear derailleurs

• Compact & portable
  Small enough for a ride pack or toolbox

• Durable & recyclable
  Industrially recyclable when no longer needed

• Nearly indispensable for Eagle setups
  The most accurate way to set chain gap correctly

Compatibility

✔ Compatible with:

• SRAM Eagle 50T cassettes

• SRAM Eagle 52T cassettes

• SRAM Eagle AXS rear derailleurs

• SRAM Eagle mechanical rear derailleurs

✔ Works with 12-speed Eagle drivetrains

✖ Not intended for non-Eagle or smaller cassette ranges

Product Details

• Function: Rear derailleur chain gap (B-gap) adjustment

• Drivetrain Type: SRAM Eagle

• Cassette Sizes: 50T / 52T

• Compatibility: AXS & Mechanical

• SRAM Part Number: 11.7518.099.000

• Condition: New / OEM

What’s Included

• SRAM Eagle chain gap adjustment guide (1 pc)

Why Proper Chain Gap Matters

Correct B-gap adjustment:

• Improves shift accuracy under load

• Reduces drivetrain noise

• Prevents premature derailleur and cassette wear

• Ensures factory-correct Eagle performance

Using the SRAM-specified tool eliminates guesswork and guarantees correct setup every time.

A must-have SRAM Eagle setup tool for mechanics and riders who demand flawless shifting and factory-correct drivetrain performance.