Wilier jareen 105 disc road bikewiliers jareen 105 disc road bike is perfect for gravel riding and is designed to be your go anywhere drop bar bike it has a strong and durable 6061 double butted aluminium frame internal cabling thru axle fork and disc brakes that you can rely on in all conditions the frame also has clearance for up to 700x42c tyres so if youre planning on taking on a muddy cyclocross course simply throw on some wider mud specific tyres and youre good to go frame6061