Promax Impact BMX Stem - 53mm Top Load Blue Cogs-11-13-15-17-19-21-23-26-30-34 Lockring installed/removed with ISIS BB

Lockring installed/removed with ISIS BB tool

The GRYF 6 handlebars from Promax are the go to 31

Lined CEX brake housing

Tooth Count 50 Ring Position/Type Outer Drivetrain Speeds 10 Drivetrain Speeds 11 Chainring BCD 110 Color Black/Silver Defined Color Black Material Aluminum

The complete set of precision-machined bushings match up with most common bottom bracket cup dimensions

Promax Impact BMX Stem - 53mm Top Load Blue Cogs-11-13-15-17-19-21-23-26-30-34 Lockring installed/removed with ISIS BBPromax Impact BMX Stem 53mm Top Load Blue. 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 TECH SPECS Bar Clamp Diameter (mm) 22. 2 Color Blue Defined Color Blue 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