Box's One Oversized Top Load Stem boasts a unique look compared to other stems thanks to their constant drive to improve. CNC machined from 6061-T6 aluminium alloy and Cold-forged for maximum strength. Their stems are oversized for a reason, they've focused specifically on the stem-to-bar interface improving and enlarging the surface area of the stem by moving material from low stress areas. Front-Load clamp design with 48, 53 and 60mm extensions available. Fits 1 1/8" steerer tubes and 31.8mm handlebars. ###section### Product Specs TYPE: Top Load REACH: 48 - 60mm RISE: 28mm CLAMPING DIAMETER: 31.8mm WEIGHT: TBC Colour: Black, Red, Silver, Blue; Size: 60mm, 53mm, 48mm