Banger stems have a front-load design and can be used with either side up, providing a 5-millimeter drop or rise. Available with 48-millimeter and 53-millimeter extensions, they are cold forged from the highest quality 6061-T6 aluminum then CNC machined to enhance the shape and further reduce weight. Uses M6 bolts Steerer Clamp Diameter: 1-1/8" Color: Silver Stem Type: Front Load Weight (oz): 11 Length: 53 Bar Clamp Diameter (mm): 31.8 Defined Color: Silver Reach: 53 Stack Height: 32.4 Rise: 5 Weight: 276 Stem Angle (deg): 0 Steerer Clamp Diameter: 1-1/8" Color: Silver Stem Type: Front Load Weight (oz): 10.4 Length: 48 Bar Clamp Diameter (mm): 31.8 Defined Color: Silver Reach: 48 Stack Height: 32.4 Rise: 0 Weight: 269 Stem Angle (deg): 0