Topeak roadie rack rx sleek stylish rear rack for road bikes without seatstays rack mounts adjustable struts ensure a perfect fit features installs easily with center bolt clip and seatstay straps rx quicktrack system is compatible with rx trunkbag ex fits road tyres up to 700 x 25c 6061 t6 hollow aluminiumengineering grade plastic 450g buy topeak accessories from chain reaction cycles the worlds largest online bike store