IMPALAPRO
Rear Derailleur Hanger Extender Aluminum CNC 7075 Anodized 13g · Black CNC 7075 ALUMINUM · 1X · 13 G

Rear Derailleur Hanger Extender Aluminum CNC 7075 Anodized 13g

Rear Derailleur Extender, Compatible 40-50T MTB & 32-36T Road Cassettes 8-11V, Ideal for 1x Conversion or Cassette Upgrade

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ENGINEERING

A derailleur extender for big sprockets

It moves the rear derailleur back and improves how it works with larger-than-usual sprockets and cassettes. Essential for a 1x conversion.

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EXTENDERS · 7075 ALUMINUM · 7 COLORS

Rear Derailleur Hanger Extender Aluminum CNC 7075 Anodized 13g

The IMPALAPRO rear derailleur hanger extender is a 13 g derailleur extender in anodized CNC 7075 aluminum. More reach for 40–50T cassettes on MTB and 32–36T on the road: the key part for going 1x.

COLOR: Black
  • 13 g of CNC 7075 aluminumMaximum strength for minimum weight.
  • 40–50T and 32–36T cassettesCompatible with Shimano and SRAM derailleurs, from 8 to 11 speeds.
  • Fitted with an Allen keyUses the derailleur's original bolt.
BUY ON AMAZON · BLACK Prime delivery · Returns handled by Amazon From $9.95 on Amazon.com · price as of Oct 26, 2026

Specifications

MATERIAL
CNC 7075 aluminum
FINISH
Anti-corrosion anodized
WEIGHT
13 g
OVERALL LENGTH
45.5 mm
MTB CASSETTES
40T, 42T, 46T and 50T
ROAD CASSETTES
32T and 36T
SPEEDS
8, 9, 10 and 11
COMPATIBLE WITH
Shimano and SRAM derailleurs
MATING SURFACE
Radial pressure grooves
FITTING
Allen key and the derailleur's original bolt
COLORS
7 on amazon.com
TECH HUB · VIDEOHow to fit your extender

Frequently asked questions

No. The rear derailleur hanger is the part of the frame the derailleur bolts to. The extender bolts onto that hanger and moves the derailleur back, so you keep your original hanger.

Complete your machine.

Engineering designed to work together.

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2-year IMPALAPRO warrantyIf anything goes wrong, the person in charge of the product will help you.
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