Promax Impact 48mm Top Load Stem for 31.8mm Bars Blue ModelNumber=E3988 Enables you to attach a

Enables you to attach a Bicycle Trailer Kit to bicycles with an internal hub

Spring Adjustments Air pressure Bottomless tokens Damping Adjustments External rebound 2position (open/firm) HS&LS compression Hydraulic Bottom Out Eye-To-Eye 230x62

Strategic placement of Pickup behind the sit bone contact area makes it completely unnoticeable while seated

Significantly reducing the attraction of abrasive contaminants

Promax Impact 48mm Top Load Stem for 31.8mm Bars Blue ModelNumber=E3988 Enables you to attach aPromax Impact 48mm Top Load Stem for 31. 8mm Bars 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) 31. 8 Color Blue Defined Color Blue Length 48 Reach 48 Rise 5 Stack Height 30. 5 Steerer Clamp Diameter 1 1 8" Stem Angle (deg) 0 Stem Type Top Load Weight 242 Weight (oz) 8. 5