The e*thirteen TRS + 12 Speed upgrade kit is an easy and most likely less expensive way to upgrade from your current SRAM 11-speed drivetrain to a 12-speed setup. The kit includes everything needed to complete the upgrade including the proper tools, parts, grease and a 12 speed chain with a quick link. It is truly a one stop shop. While the price is just slightly lower than SRAM’s new complete NX 12-speed drivetrain, the e*thirteen is a much higher quality cassette with lower weight. The TRS + upgrade kit is not really designed for riders with NX drivetrains on their bikes, but riders with high-end 11-speed SRAM drivetrains that want to convert to 12 speeds without purchasing an entire high end 12-speed setup.
Included in the kit is a 9-46t 12-speed cassette (compatible with XD driver only), injection molded shifter spool w/12-speed ratchet wheels, two pulley wheel spacers with longer bolts, 12-speed chain with quick link, shifter cable, shifter housing, and all required tools and grease. This is an upgrade you can easily do at home, and if you hit a snag, e*thirteen offers many instructional videos and live tech support if necessary.
If want to extend the range of your high end SRAM 11-speed drivetrain, the e*thirteen TRS + upgrade kit is the perfect answer. It will save you some cash from upgrading to a full XX1 Eagle setup and provide you with that range you are looking for.
Pink Bike - "The tactile 'ka-ching' of the SRAM shifter remains unchanged, and both the thumb and release paddles feel completely stock and as though nothing's different. But something is different: There's an extra click in there now, and you've ditched that ghetto 11-speed setup that was obviously holding you back" - Mike Levy
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