FLY is made of two stainless-steel tubes making it the purist in the lightweight class Tapered, simplistic design weighs only 369g yet can hold loads up to 39lbs Mounts via the eyelets and single rear stay attachment to the brake bolt Non-adjustable design is compatible with wheel sizes 26` and 700c/29` As elegant looking as it is useful Maximum tire compatibility of 45mm Rear Eyelet Black 26` thru 29` UniversalUPC/EAN/GTIN: 4036823400006