STONE Road Bike Front Derailleur Extender Adapter for SHIMANO 10/11S SHIMANO Di2 105 Ultegra Dura-Ace SRAM Force AXS 12-Speed Raise Lower Height Adjustment Bike Chainring Accessories

• The Extender-11S supports lowering adjustment with a 15.5 mm extension length, fitting Shimano 4600 / 4700 / R3000 / 5800 / 6800 / 9000 / R7000 / R8000 / R9100, SRAM Rival 11 and Force 11.

• The Extender-12S supports both raising and lowering adjustment, with a 15.5 mm extension length, fitting Shimano R7100 / R8100 / R9200, SRAM Rival D1 / Force D1 / Red D1 and QED.
  

   

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Specifications

• Product Name: Road Bike Front Derailleur Extender Adapter
• Function: Front derailleur height adjustment

• Adjustment Type: Raise / lower front derailleur position
• Adjustment Distance: 15.5 mm

• Material: 7075 aluminum alloy
• Screw Material: 304 stainless steel

• Process: CNC machined
• Weight: Approx. 4 g

• Application: Road bike front derailleur setup adjustment
• Suitable For: Road bike drivetrain modification and smaller chainring setup

• Bike Type: Road bikes only
• Installation Position: Front derailleur mounting area

Extender 11s

For Shimano R7000 / R8000 / R9100 10 & 11-Speed

This version is designed to lower the front derailleur position, ideal for smaller road chainrings such as 48T / 46T.

Compatible With

• For Shimano 105 R7000
• For Shimano Ultegra R8000
• For Shimano Dura-Ace R9100
• For Shimano 10 / 11-speed road front derailleurs

Not Compatible With

• Not for 12-speed systems
• Not for SRAM front derailleurs
• Not for Mountain bike front derailleurs

Extender 12s

For Shimano Di2 12-Speed / SRAM Force AXS 12-Speed

This version can raise or lower the front derailleur position by 15.5 mm, offering more adjustment range for compatible road electronic front derailleurs.

Compatible With

• For Shimano 105 Di2 R7170 / R7150 / R7100
• For Shimano Ultegra Di2 R8170 / R8150 / R8100
• For Shimano Dura-Ace Di2 R9250 / R9200
• For SRAM Force AXS 12-speed
• For Some 10 / 11-speed road front derailleurs

Not Compatible With

• Not for SRAM Red eTap 11-speed
• Not for SRAM Rival 12-speed raising function
• Not for Shimano R7100 12-speed raising function
• Not for Mountain bike front derailleurs

Main Difference

Package Includes

• 1 × Front Derailleur Extender Adapter Set

Note

Please confirm your front derailleur model and mounting interface before ordering.
If unsure, send us a photo for compatibility confirmation.