1X12 & 1X13 MTB Shifting Set - Silver | C14-002-09010-000 | ROTOR 1X12 Groupset lever kits are all 1X13 speed ready. Just select a crank set and cassette of your choice to
Mountain Bike Action Product Test: Rotor 1X13 Mtb Super Light Kit - Mountain Bike Action Magazine
ROTOR 1X13 Groupset | Ready to Ride - YouTube
ROTOR 1x13 Road Groupset
ROTOR 1x13 Mountain Groupset | For the hardest and highest mountain - YouTube