Box One Single Speed Aluminum Cogs sale it’s engineered for secure engagement

it’s engineered for secure engagement with wide/narrow chainrings and built to endure the rigors of modern riding

topped with a Diamond-Like Carbon (DLC) layer that enhances hardness

it quickly proved itself on unpowered MTBs as well

The Box Four shifter's main features aren't strikingly different from Box Three's

Box One Single Speed Aluminum Cogs sale it’s engineered for secure engagementBox One Single Speed Aluminum Cogs are 7075 T6 aluminum alloy. It's designed to fit Shimano compatible cassette hubs and has a 5mm wide inner base, giving a more solid interface with the cassette body. The alloy cogs are anodized black with laser etched graphics.