Profile Design Aerobar Bracket Riser Kit: 70mm CheckoutSpec= 52/36t Color Black Defined Color Black

Color Black Defined Color Black Front Axle 3/8" x 100mm Hub/Brake Compatibility Rim Brake ISO Diameter 406 / 20" BMX Rim Material Alloy Tire Type Clincher Valve Schrader Wheel Size 20"

One-size-fits-all adults

25 Bearing Type Sealed Cartridge Weight 275 Center to Flange Right 20

Backing Plate Material Aluminum Compound Organic Pad Shape Number 58

11 tooth pulleys for reduced pulley wear and chain noise

Profile Design Aerobar Bracket Riser Kit: 70mm CheckoutSpec= 52/36t Color Black Defined Color BlackProfile Design Aerobar Bracket Riser Kit: 70mm. Riser kits increase stack height to fit a wide range of riding styles for efficient positioning; compatible with ZBS Aerobars T Plus Carbon Series Aerobars T Plus Aluminum Series Aerobars Supersonic Aerobars Sonic Aerobars and Subsonic Aerobars.