Box One Oversized 31.8mm Center Clamp Front Load Stem gear-size-38-9t MATERIAL: 100% 4Q Baked heat

MATERIAL:  100% 4Q Baked heat treated chromoly

The Troy Lee Designs GP Silhouette Helmet-Black/Gray is both lightweight and durable with a 1500 gram polyacrylite shell

MAX Pressure: 85 psi TCS

Cone spacers

They look good too

Box One Oversized 31.8mm Center Clamp Front Load Stem gear-size-38-9t MATERIAL: 100% 4Q Baked heatThe 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