Box Four 8 Speed Wide/Narrow Chainring spinimages=211 Box Two Saddles are the

Box Two Saddles are the first of their kind

We've chosen to modernize the 8-speed in much the same way we did the 9-speed for Prime 9

The same approach was taken via the pedals through the cranks and other components on the way to the rear rim for pedaling stiffness

it remains the most durable cassette in the range

References:

Box Four 8 Speed Wide/Narrow Chainring spinimages=211 Box Two Saddles are theThe Box Four Wide Narrow chainring completes that package for the 1x8 system. It is the first 8 speed specific chainring designed to optimize chain retention when using 8 speed chains. The tooth profile and thicknesses are tailored to match the inside geometry of the unique Box Four chain. SUPPORT MATERIAL View Prime 9 Drivetrain Compatibility Manual How is the Ebike variant different? View Prime 9 Comparison Chart Why Prime 9?