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2×12 SH Upgrade Kit

Use SRAM shifters with Shimano 12 speed cassettes

Ratio Ring


1×13 c Kit

13 speed with SRAM levers

I love how it just works


I think this is one time when we can ignore that old Eddy Merckx adage “Don’t buy upgrades, ride up grades…”

John Watson

For sure this could be the cheapest and cleanest DIY solution we’ve seen yet to upgrade to a mullet 12 speed setup on your gravel or adventure bike

Cory Benson
Tech Editor / Bikerumor

A super-simple way to get the latest SRAM ratio gains from your ‘obsolete’ SRAM cable shifters and it’s not even hard to install

Guy Kesteven

It works as advertised, offering that ultra-tactile shift action so many of us like, but now with the option of true wide-range 1×12 gearing

James Huang
Global Tech Editor / CyclingTips

I must admit, this is hands down my favorite mechanical drop-bar drivetrain I’ve used to date.

Logan Watts


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