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SRAM X4 Rear Derailleur

RD-X4-A1 Rear derailleur Product
SRAM X4 Rear Derailleur
Published bicycles
200
Speeds
7, 8, 9
Largest cog
34

Specifications

12 specifications

As listed in the manufacturer's catalog.

General

Speed
7, 8, 9
Cable pull ratio
1:1
Cage
Long, Medium
Max tooth
34
Color
Black, Silver
Pulley bearings material
Steel
Cage Material
Aluminum, n/a
Drivetrain Configuration
2x, 3x
RD Minimum
32
Communication Protocol
n/a
Shift Technology
1:1 Actuation
Chain Technology
7 Speed Powerchain, 8 Speed Powerchain, 9 Speed Powerchain

How spec sheets write it

The most common ways bicycle spec sheets name it, by number of mentions.

  1. SRAM X4 65
  2. SRAM X4 medium cage 16
  3. SRAM, RD-X4-A1 14
  4. SRAM X4, Mid-cage, 8-Speed 11
  5. SRAM X4 black 9
  6. SRAM X-4, mid cage 8
  7. SRAM X4, 8-speed 7
  8. SRAM X4, 8-S 6

Bicycles

200 bicycles

Published bicycles that use it, newest model years first.

Fairdale Lookfar

Commuter

Fairdale

Lookfar

Model year: 2026

Fairdale Model year: 2026

Urban / Commuter

  • Suspension: Rigid
  • Wheel size: 700c
Kellys Whip 50

Dirt jump

Kellys

Whip 50

Model year: 2026

Kellys Model year: 2026

Mountain / Dirt jump

  • Suspension: 100 mm
  • Wheel size: 26″
Kellys Whip 50, DX

Dirt jump

Kellys

Whip 50, DX

Model year: 2026

Kellys Model year: 2026

Mountain / Dirt jump

  • Weight: 13.3 kg
  • Suspension: 100 mm
  • Wheel size: 26″
CTM Raptor

Trail

CTM

Raptor

Model year: 2025

CTM Model year: 2025

Mountain / Trail

  • Suspension: 130 mm
  • Wheel size: 26″
Fairdale Lookfar

Commuter

Fairdale

Lookfar

Model year: 2025

Fairdale Model year: 2025

Urban / Commuter

  • Suspension: Rigid
  • Wheel size: 700c

Cross-country

Fuji

Nevada 27.5 1.7 SRAM

Model year: 2025

Fuji Model year: 2025

Mountain / Cross-country

  • Suspension: 100 mm
  • Wheel size: 27.5″
Fuji Nevada 29 1.7 SRAM

Cross-country

Fuji

Nevada 29 1.7 SRAM

Model year: 2025

Fuji Model year: 2025

Mountain / Cross-country

  • Suspension: 100 mm
  • Wheel size: 29″
Kellys Whip 50

Dirt jump

Kellys

Whip 50

Model year: 2025

Kellys Model year: 2025

Mountain / Dirt jump

  • Suspension: 100 mm
  • Wheel size: 26″
Kellys Whip 50, DX

Dirt jump

Kellys

Whip 50, DX

Model year: 2025

Kellys Model year: 2025

Mountain / Dirt jump

  • Weight: 13.3 kg
  • Suspension: 100 mm
  • Wheel size: 26″

Showing 12 of 200 bicycles