Box One Oversized 31.8mm Center Clamp Front Load Stem gear-size-43-7t Screen print logo

Screen print logo

custom cone washers and extra alloy washers for perfect alignment

1 Freewheel at J&R Bicycles is not just a step up in quality it also hits that sweet spot between excellent durability and affordability

in our showroom or at our trackside vending setups

Box One Oversized 31.8mm Center Clamp Front Load Stem gear-size-43-7t Screen print logoThe Box One Oversized 31. 8mm Center Clamp Front Load Stem is engineered using Boxs Oversized Technology design philosophy. Box has targeted the clamping area as an area to improve stiffness. As their oversized handlebars have a larger clamping area, the stem follows suit. Material has been moved from the low stress areas to increase the size of the clamping area. More area equals more friction equals greater overall pedaling stiffness by minimizing