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
Specifications
Bar Clamp
22.2mm
Color
Black, Blue, Gold, Red, Silver
Length - Stems
48mm, 53mm
Material
6000 Series Aluminum, 6061 Aluminum, 6061-T6 Aluminum, Aluminum
Stack Height
30.5mm
Steerer Clamp Diameter
1-1/8"
Stem Angle (deg)
0 Deg
Black - 53mm UPC
4711103651353
Black - 53mm MPN
ST21-00BA7353-BK
Blue - 48mm UPC
4711103651346
Blue - 48mm MPN
ST21-0BA73S48-BL
Blue - 53mm UPC
4711103651391
Blue - 53mm MPN
ST21-00BA7353-BL
Gold - 48mm UPC
4711103651322
Gold - 48mm MPN
ST21-0BA73S48-GD
Gold - 53mm UPC
4711103651377
Gold - 53mm MPN
ST21-00BA7353-GD
Red - 48mm UPC
4711103651339
Red - 48mm MPN
ST21-0BA73S48-RD
Red - 53mm UPC
4711103651384
Red - 53mm MPN
ST21-00BA7353-RD
Silver - 48mm UPC
4711103651315
Silver - 48mm MPN
ST21-0BA73S48-SL
Silver - 53mm UPC
4711103651360
Silver - 53mm MPN
ST21-00BA7353-SL
Tree Fort ID:
333222457651
Have Experience With This?
or
Customer Questions
not logged-in log-in to receive an emailed response