Topeak Rx Trunkbag Dxp PSI The idea behind Secret Chain

The idea behind Secret Chain Lube was to bring this technology to a lube that didn't require hot melting but turns out

to avoid energy loss

for example on a doorknob

Shifting System 12-speed

Topeak Rx Trunkbag Dxp PSI The idea behind Secret ChainLarger capacity road TrunkBag bag, perfect for commuting, school and errands. Rigid foam insulates and holds shape. Features a large main compartment plus two zippered side compartments that zip open into full panniers and expandable multi top. Aerodynamic shape is ideal for road and fitness bikes. Compatible with RX QuickTrack system with side frames. COMPARTMENTS One main, Two side zippered Expanding panniers, Multi expanding top CAPACITY 7. 3 L 445