Promax Impact BMX Stem - 53mm Top Load Silver CheckoutSpec= 4-Piston (74mm) - Bronze High-performance boots meet your match

High-performance boots meet your match

Rear lighting that flares up automatically under braking

For use with 1/8" single speed BMX/Track or 8/9-Speed chains

Axle Type 12mm TA Freehub Body Shimano Micro Spline Hub Model I9 Hydra 2 Hub Spacing 148mm Position Rear Rim Color Black Rim Construction Double wall Rim Drilling F: 21 R: 24 Rim External Width 37

Promax Impact BMX Stem - 53mm Top Load Silver CheckoutSpec= 4-Piston (74mm) - Bronze High-performance boots meet your matchThe 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 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 Size 53Mm