The seat post is 52cm high and the horizontal bar is 56cm long. The bike has been ridden about 50km. I have made a few upgrades to this bike, which explains the price: The rims are designed for road bikes and cost about 200 to 300 euros used. The tires, Vittoria Corsa N.EXT 2.0, (34mm wide) cost about 100 euros and have been ridden 40km. The grips are from the MTB range from Cube and cost 20 euros. The pedals are worth 40 euros. The "white" in the spokes are reflectors called "Securoclip", which are made by 3M. I can add a few more if required. The brake disks have been replaced and are from Shimano, approx. 20 euros. In addition, adapters from Centerlock to 6-bolt brake disks have been fitted, approx. 20 euros. The saddle has also been ridden 40km and cost 30 euros. So to speak, you get an almost brand new bike, which weighs approx. 10 kg and is offered below the value you put into it. Especially as it can be ridden very quickly. If you want a gravel bike that can also be very fast on the road and has straight handlebars, you'll get your money's worth here. The maximum tire width of the frame is approx. 44 mm.