This derailleur hanger extension is a unique device that offsets the position of your road derailleur to make it possible to run a wide-range mountain bike style cassette. It is an ideal solution for riders looking to convert their road, gravel, cyclocross, or commuter drivetrain bike to attain the simplicity and reduced weight of a single front chainring but without giving up the gear range of a double. It is also great for riders with double chainring bikes that want lower gearing for those ultra steep climbs. It does not compromise the shifting in the smaller cogs of the cassette but yet it enables the derailleur to work with as large as a 50T cassette.
SPEC:
Material: aluminum alloy
Size: approx. 45 x 21mm/1.77 x 0.82inch
Center distance between two holes: approx. 22m/0.86inch
Apply to 40T/42T/46T/50T mountain cassette or 32T/36T highway cassette
Includes 6061 aluminum bolt
Weight: approx. 11g
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