Brand: TACX GARMIN Cycle Trainer Model: Tacx Flux 2 Smart Includes SHIMANO 105 11-speed sprocket No box I'm selling this because I no longer use it. You can train without going outside, and it's also very quiet, so you can use it with peace of mind even in apartment buildings. Since there is no box, it will be shipped via "Tanomeru Bin" (a Japanese delivery service). If you pick it up, I will discount it by 5,000 yen.