I believe the part you require is shown here: <
It is available from all Surly/All-City/Problem-Solvers dealers.
Single-sided, bottom bracket mounted cable guide, with integrated cable housing stop.
* Intended to fit 40mm diameter bottom bracket shells
* Includes M5 mounting bolt
* Direct replacement for: All-City Cosmic Stallion, All-City Gorilla Monsoon, All-City Macho King, All-City Space Horse Disc
 as long as your chainrings are small enough.
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