Topeak MTX TrunkBag EX Model-SLR Boost 3D Superflow Model Bel-Air V3 Max Rails

Model Bel-Air V3 Max Rails Lux-Alloy Top Microfiber Color Diamond Stitch Tan LxW (mm) 260x140 Weight 246g

and 12 speed chains except Shimano 12spd chain

0mm ID (45x45)

This one is a winner

Topeak MTX TrunkBag EX Model-SLR Boost 3D Superflow Model Bel-Air V3 Max RailsMedium capacity with insulating rigid molded EVA foam side panels 420 denier nylon fabric for rigidity and water repellency Divided main compartment, two mesh side pockets for extra capacity, and rear water bottle holder Choose Velcro straps or MTX 2. 0 QuickTrack compatible model (for use with Topeak MTX 2. 0 racks, see EX Beam, Explorer, Super Tourist) Includes carrying handle, shoulder strap, 3M reflective strip, taillight clip, bungees TECH SPECS