The GT Jumper Stem is ready to throw it down. With an extra-wide 55mm body for additional clamping power, you can rest assured that your stem is engineered for maximal durability.
Bar Diameter: 31.8mm
Steerer Diameter: 1-1/8" (28.6mm)
Stem Angle: 21mm Rise
Stack Height: 37mm
Weight: 6.7 oz