Promax Impact BMX Stem - 53mm Top Load Gold Model=DebonAir+ Air Spring Assembly Upgrade A built-in security grommet lets
Baker’s notes & crumb story
Description
A built-in security grommet lets you lock it to your truck
Color Black Ring Position/Type Chain Retaining Single Ring Tooth Count 38 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Drivetrain Speeds 9 Chainring BCD 104 Material Aluminum Defined Color Black
Shimano Alfine CT-S500 Chain TensionerNot for use with coaster brake or fixed gear hubs
Brake Track None Color Black Defined Color Black Hub Drilling 28 ISO Diameter 622 / Road / 29" Manufacturer Spec ERD (mm) 602 Rim Center Offset (mm) 0 Rim Material Alloy Rim Width (Internal) 30 Tire Type Tubeless Ready Valve Presta Weight 615 Wheel Size 29"
Length 350 Color Matte Black Diameter 30
Promax Impact BMX Stem - 53mm Top Load Gold Model=DebonAir+ Air Spring Assembly Upgrade A built-in security grommet letsPromax Impact BMX Stem 53mm Top Load Gold. 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 Gold Defined Color Gold 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