Box One Focus Rim Bars The center tube spacer is

The center tube spacer is a standard 51mm width so no additional internal spacers are needed

it is built around modular hardware features & affordable value

Double & single needle heavy duty stitching

High Pressure (100-110 PSI)

good for tech front wheel moves

Box One Focus Rim Bars The center tube spacer isFocus rims have a no nonsense low profile design that eliminates excess material, making them some of the lightest weight double wall rims available. A 20 x 1. 75 rear rim, for example, weighs just 362 grams 12. 7 ounces. Strong & true, Focus rims have single eyelets to help prevent spoke pull through, which means higher spoke tensions are possible. Available in 36 hole 20" in anodized red, blue, gold & black. Meets or exceeds ENBMX standards. Front