Promax Impact BMX Stem - 53mm, Top Load, Silver Stems The Promax EX-2 English bottom

The Promax EX-2 English bottom bracket features forged and CNC machined aluminum cups

5mm outside diameter

171090-Q0-L

125045-Q0-L

in addition to the RaceGuard protection belt under the tread there is an effective fabric protector on the sidewall

Promax Impact BMX Stem - 53mm, Top Load, Silver Stems The Promax EX-2 English bottomThe 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 Product Specifics Stem Type: Top Load Stem Angle (deg): 0 Length: 53 Rise: 5 Reach: 53 Bar Clamp Diameter (mm): 22. 2 Color: Silver Weight: 278 Defined Color: Silver Steerer Clamp Diameter: 1 1 8" Stack Height: 30. 5 Today's Stock Status UPC: Not available EAN: