Compact design road bike rear rack with quick attachment system for easy installation and removal. Multi-angle adjustment for perfect fit on your bike. Unique built-in RX QuickTrack™ plate allows slide and lock of Topeak bags with RX QuickTrack™ plate and release with a push button. Fits road tires up to 700 x 25c.AttachmentsQuick Release Center Bolt Clip/ Seatstays with Adhesive Straps.AdjustmentAdjustable Struts for Perfect Position and Tire Clearance.Material6061 T6 Hollow Aluminum/ Engineering Grade Plastic.Bag CompatibilityRX TrunkBag EX.Max. Weight Capacity7 kgs / 15 lbs.Size (L x W x H)30 x 15 x 36.3 cm,11.8” x 5.9” x 14.3”.Weight420 g / 14.78 oz.