ZTTO 11速 11-34T スプロケット SLR Gen3 ZTTO SLR Gen3 11s 11-34T。ZTTO SLR Gen3 12s Road Bike Cassette Super Light Weight 116g 11。ZTTO SLR Gen3 11-Speed Road Bike Cassette 11-32T Purple Red Blue Green。間違って買ったため出品します。。ZTTO SLR Gen3 11-Speed Road Bike Cassette 11-32T Purple Red Blue Green