Box Four 8 Speed Wide/Narrow Chainring spinimages=211 Hub includes Steel Bolts

Hub includes Steel Bolts

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

immense adhesion in the corners

it remains the most durable cassette in the range

Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes)

Box Four 8 Speed Wide/Narrow Chainring spinimages=211 Hub includes Steel BoltsThe 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?