Stan's Notubes Arch Cb7 Rim Pumps but not quite as loud

but not quite as loud as a helicopter

(EXT unique

Weight 15 grams

we produced our bars by using advanced hydraulic press forming to ensure close tolerances

SEAT POST SHIMS

Stan's Notubes Arch Cb7 Rim Pumps but not quite as loudFive years of continual development and refinement have led to the Arch CB7's RiACT radial impact absorbing technology. Unlike lesser carbon rims that ride stiff and transfer impacts and vibration to the suspension and rider, the special layup and shape of the Arch CB7 deflects up to 10mm radially to soak up speed robbing impacts, all while being laterally stiffer than just about every other carbon and alloy rim on the planet. The result is a rim that