They said it couldn't be done…

The Double Mullet Setup combines the low gear of a typical 1x MTB setup with the high gear of a Road double setup.

To make the road shifters work with the MTB derailleur, a 3D printed pulley is used to convert and change the pull rate. The road shifter is basically emulating the Deore MTB shifter.

With some tinkering and out of the box thinking, there is no such thing as derailleur limit.

Overview of used parts:
Crank: Shimano R7100 50/34
Cassette: Shimano Deore 11-51 (11s)
Gear range: 682%
Shifters: Shimano R7000 (11s)
Rear Derailleur: Shimano Deore M5100
Front Derailleur: Shimano R7000
3D printing material: PETG

by LawyerLive9981

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13 Comments

  1. Western_Truck7948 on

    What’s the friction shifter doing in the top tube? Looks connected to something bolted to the rear derailleur?

  2. WAT ? WAAAT ?

    It’s the most awesome thing I’ve seen since a while !

    I hope you write down / publish some insights or even breakdown of this experiment.

  3. Caribou-nordique-710 on

    Very nice!

    I’ve been running and old 2X9 setup for a decade, 46-34 chainrings with 11-36 cassette on a Deore derailler and inverted B screw

  4. I’m curious about the poles on your frame bag as well. Are they structural to the bag or part of your tent?

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