Feature: frame-mounted for heavier top and side loadsquick-release bag mounting systemadjustable; fits most 26-inch and 700c framesdurable, lightweight aluminum 760gplus allows ibera bags to be mounted with ibera panniers carries up to 25 kg 55 lb, reflector attachable, tig-welded, heat-treated, anodized aluminum. Compatible with ibera trunk bags, side pannier bags and eco-friendly reusable bags ib-ba1, ib-ba3, ib-ba4, ib-ba7, ib-ba8, ib-ba9. Specifications material durable lightweight heat-treated aluminum features plus allows ibera trunk bags and eco-friendly reusable bags ib-ba1, ib-ba3 to be mounted with ibera panniers simultaneously ib-ba4, ib-ba7, ib-ba8, ib-ba9 also compatible with strap-attached bags and panniers. Mount type frame-mounted for heavier top and side loads quick-release bag mounting system bags not included dimensions 15. 5in x 6. 0in x 15.5-16. 5in top shelf is 5. 5in in width adjustable height fits most 26in and 700c frames load weight carries up to 55 lb 25kg rack weight 1. 67 Lbs / 760g.