XX SL Eagle T-Type Powermeter Groupset 170 34D, RD, Controller, Chain, Cassette The XX SL Eagle Transmission Powermeter Groupset includes: - Rear derailleur XX SL Eagle T-Type including battery - Pod Ultimate Controller - Powermeter (spider based) XX SL 170mm, 34D, CL55 - Chain XX SL Eagle T-Type - Cassette XX SL Eagle Transmission XS-1299 10-52D - Charger