This clever e*thirteen TRS Plus 12 Speed Upgrade Kit is designed to upgrade your SRAM 1×11 drivetrain to 1×12
Five or so years back, 1x drivetrains were fairly new, and making cheaper ones by converting existing cassettes with expander cogs was all the rage for a bit. I steered clear at the time, because it seemed like a slightly messy hack at best.
The conversion part of the e*13 12-Speed Upgrade Kit mostly happens at the shifter end though, with new innards for 11-speed SRAM GX, X1, X01 or XX1 shifters. As well as those, inside the box you’ll find a new cassette, some jockey wheel spacers, and a 12-speed chain.
Unlike with those expander cogs mentioned above, the 9-46t TRS Plus cassette is made entirely by e*thirteen. It has a 511% range, which is 10% more than SRAM’s 10-50t Eagle, and 1% more than Shimano’s new 10-51t XTR.
Thanks to a few very straight, very open downhills near me, the TRS Plus had been tempting me with a siren call something like “niiine tooooth sprooocket“. Sounds fast…
Fitting The e*thirteen TRS Plus 12-Speed Upgrade Kit
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Looking for some more options to expand the range of your drivetrain? Then check out our list of 8 huge cassettes for 1x drivetrains that aren’t Shimano or SRAM!
|Product:||TRS Plus 12-Speed Upgrade Kit|
|Tested:||by David Hayward for 7 months|