Promax Impact BMX Stem - 53mm Top Load Black Color-White/Black assist level and range

assist level and range

A carbon lever blade and titanium fasteners take Dominion performance to the next level

The Zipp Service Course stem delivers all you look for in a high-performance stem - strength stiffness reliability a precise fit and great visual look

Made to fit 19mm crank spindles and American bottom bracket frames

perfect for urban commuting or weekend adventures

Promax Impact BMX Stem - 53mm Top Load Black Color-White/Black assist level and rangeThe 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 Bar Clamp Diameter (mm) 22. 2 Color Black Defined Color Black Length 53 Reach 53 Rise 5 Stack Height 30. 5 Steerer Clamp Diameter 1 1 8" Stem Angle (deg) 0 Stem Type Top Load Weight 278 Size 53Mm