The Impact is a top-load BMX stem, cold forged from the highest quality 6061-T6 aluminum then CNC machined to refine the shape and further reduce weight.
- CNC-machined 6061-T6 aluminum
Manufacturer Promax
Manufacturer Part Number ST21-00BA7353-BL
UPC 4711103651391
Model Promax Impact BMX Stem
Stem Type
Top Load
Stem Angle (deg)
0
Length
53
Rise
5
Reach
53
Bar Clamp Diameter (mm)
22.2
Color
Blue
Weight
278
Defined Color
Blue
Steerer Clamp Diameter
1-1/8"
Stack Height
30.5