Box One Single Speed Cogs Size:17T 0 ISO: 451 Width ID:

0 ISO: 451 Width ID: 23 Width OD: 28 Profile: 14

they have a built-in lock-on clamp that is compatible with Promax

OS20 is NOT 22"

Adjustable locating shelf

Box One Single Speed Cogs Size:17T 0 ISO: 451 Width ID:Box One Single Speed Cogs PRODUCT DESCRIPTION The new Pinion Cogs are offered in two ranges; CNC machined from long wearing 7075 T6 aluminum alloy and CNC machined chromoly. 3 32 cogs are available in 13 18 tooth sizes. Both types are designed to fit Shimano compatible cassette hubs. Both have a 5mm wide inner base, giving more solid interface with cassette body. Alloy cogs are anodized black with laser etched graphics, while chromoly cogs are electro