Extruded and CNC-machined from 6061-T6 aluminum, Box Two™ Stem Spacer Kits feature an ultra-minimalist design that is super lightweight. Weights range from 0.02 to 0.14 ounces (0.56 to 4 grams), depending on the size. For the best performance, stack the spacers so the vertical supports are in alignment. Sold in packs of five, each set provides spacing adjustments from 1 to 20 millimeters.
Box One's Front Load Race Stem boasts Cold-Forged and CNC machined 6061-T6 Aluminum Alloy construction for maximum strength and durability, with a Front-Load clamp design to fix those bars in place. Available in both 48 and 53mm extensions available it fits 1-1/8” steerer tubes and 31.8mm handlebars. ###section### Product Specs TYPE: 31.8mm REACH: 48-53mm RISE: 28mm CLAMPING DIAMETER: Front Load WEIGHT: 290g (10.2oz) - 320g (11.3oz)
For added peace of mind and security the Box One Stem Lock adds an extra level of protection against losing your front wheel and fork legs in the event of a broken steerer tube. Cold-forged and fully CNC machined from a number of high-strength aluminium alloys the stem lock is built super tough. Designed to be backwards compatible with existing Box One Forks it will fit forks by other manufacturers.
Box One stems are cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design and a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength and stiffness. By removing the rear pinch bolts and moving the mounting bolts to the middle of the stem, Box managed to reduce the weight and size and eliminated a serious hazard to the rider’s knees. To ensure proper clamping force, the stem must be mounted on a fork with at least 40mm of the exposed steerer tube. Please note, this stem is not compatible with carbon fiber steerer tubes. ###section### Product Specs TYPE: Front Load REACH: 55mm/60mm RISE: 0 CLAMPING DIAMETER: 31.8mm WEIGHT: 244 grams / 8.6 ounces (53mm)
Cold-Forged and CNC machined from 6061-T6 Aluminum Alloy, Top-Load clamp design with 40 and 45mm extensions available. Fits 1” steerer tubes and standard 22.2mm handlebars. Designed in USA/made in Taiwan ###section### Product Specs TYPE: Top Load REACH: 40-45mm RISE: 24mm CLAMPING DIAMETER: 22.2mm WEIGHT: 138 grams / 4.9 ounces - 148 grams / 5.2 ounces
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: 263g / 9.3oz - 280g / 9.9oz
Cold forged and fully CNC-machined from a number of high strength aluminum alloys, The Box One Stem Lock offers peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube. The stem lock runs through the centre of your steer tube providing compression for your headset and steering system. These are praticulary good for Carbon forks that use a carbon steerer tube and cannot accept a top cap or star nut. The Box One Stem Locks are backwards compatible with existing Box forks and may work with forks from other manufacturers.
The Box Two Hollow Center Clamp stem is cold forged from the highest quality 6061-T6 aluminum available. Featuring an open skeletal design and a dual mid-bolt wedge mounting system, they are lightweight yet maintain a very high level of strength. A 53mm extension stem weighs just 218g/7.7oz. By removing the rear pinch bolts and moving the mounting bolts to the middle of the stem, Box reduced the weight and E3size and eliminated a serious hazard to the rider’s knees. These stems come with either a 48mm or 53mm extension and have a 22.2mm clamping diameter. To ensure proper clamping force, the stem must be mounted on a fork with at least 45mm of exposed steerer tube. Not compatible with forks that have carbon fiber steerer tubes. ###section### Product Specs TYPE: Front Load REACH: 40mm/45mm/48mm/53mm RISE: 5mm CLAMPING DIAMETER: 22.2mm WEIGHT: 218g/7.7oz (53mm) E4
The Delta stem is the first, modern, 31.8mm oversize stem designed specifically for BMX racing. When used with the Box Triple Taper Alloy or Box One Chromoly (aka Maximus) handlebars, you get the absolute stiffest cockpit available. This added stiffness significantly improves bike handling while putting more upper body power into your pedal stroke, translating into more forward momentum. The Delta stem body is extruded and CNC-machined from the highest quality 6061-T6 aluminum. The top clamps are cold forged and CNC-machined for increased stiffness and strength. Despite their size and girth, Delta stems weigh less than many standard size 22.2 stems. ###section### Product Specs TYPE: Top Load REACH: 48mm/53mm/60mm RISE: 0 CLAMPING DIAMETER: 31.8mm WEIGHT: 299 grams / 10.5 ounces (53mm) E3
The Hex Lab front load stem is a modern 28.6mm, oversize stem designed specifically for BMX racing. When used with our Hex Lab Carbon Fiber Handlebar, you get the absolute stiffest cockpit available in this size. This added stiffness significantly improves bike handling while putting more upper body power into your pedal stroke, translating into more forward momentum. This isn’t just hype. Every rider we've worked with who have used the Hex Lab Stems along with the Hex Lab Handlebars has noticed a major improvement in stability and control. Hex Lab Front Load stem bodies are 3D cold-forged and CNC-machined from the highest quality 6061-T6 aluminum. The lightweight front clamps are cold-forged and CNC-machined for increased stiffness and strength. ###section### Product Specs TYPE: Front Load REACH: 40mm/45mm RISE: 5mm CLAMPING DIAMETER: 28.6mm WEIGHT: 106 grams / 3.7 ounces (40mm) E5