Box Two Center Clamp Stem

The Box Two Center Clamp Stem-1 1/8" is a brilliantly designed cold forged aluminum stem. Box has moved the rear pinch bolts to the front of the stem to eliminate potential knee versus stem bolt conflicts. With a 22.2mm bar bore, these stems require at least 45mm of exposed steerer tube to securely clamp on. Just one note: They are not compatible with carbon fiber steerer tubes. FEATURES Lightweight Skeleton Design Knee-Saving Wedge Clamping System Cro-Mo Clamping Bolts Cold Forged for Superior Strength CNC Finishing COMPATIBILITY Box One XL Fork with 1-1/8" Steerer Tube Box One X2 Fork with 1-1/8" Steerer Tube Box One X5 Fork with 1-1/8" Steerer Tube SPECIFICATIONS Box Two Center Clamp Stem Specification Size Clamp Hardware Material Other Rise Steerer Tube Weight Size: 40mm Clamp: 22.2mm Hardware:   Material: 6061-T6 Aluminum Other: Laser-etched graphics Rise: +/-5° Steerer Tube: 1" Weight: 132 gram / 4.6 oz Size: 45mm Clamp: 22.2mm Hardware:   Material: 606