Mag-Tank Bolt-On Stem Bag: The Mag-Tank takes a new twist on top tube bags

extra wide

Particle Flow Technology inserts and durable Chromoly rails

The lower stack height can allow for increased power transfer and a decreased saddle height

Smooth transitions and internal butting improve stability and durability without increasing weight

SPANK 359 Rim recumbant Mag-Tank Bolt-On Stem Bag: TheSpank's radially compliant rim with Oohbah Inverted Inner Wall and BeadBite Anti Burp Technology. Moderately low 19mm profile height and wide width, balances the benefits of radial compliance with high lateral stiffness and predictable handling Radial Compliance improves traction over bumps and chatter, while reducing negative feedback to the rider. Performance and comfort are improved 30. 5mm inner width is extremely versatile, fitting tires from 2.