G Sport Ribcage Rim - 20" Hard Black 36H Bottom Bracket Shell I.D.-37 }SRAM X4 Trigger Front Only

}SRAM X4 Trigger Front Only

Curved propulsion edges on the central studs guarantee high traction even on soft terrain

They also include threaded stubs for direct mount to Surly Troll Ogre and ECR frames – these frames have eyelets drilled into the dropouts specifically for these mounts

This tape is thickly padded for the pounding you'd expect from CX but it's also a favorite of roadies

G Sport Ribcage Rim - 20" Hard Black 36H Bottom Bracket Shell I.D.-37 }SRAM X4 Trigger Front OnlyG Sport Ribcage Rim 20" Hard Black 36H. The Rib Cage features re enforced spoke holes cross over spoke lacing for lateral strength and extra thick outer walls to protect against case dents. Designed to be cross laced (spoke runs from hub to opposite side of rim) 36mm wide 389mm ERD TECH SPECS Brake Track Non Machined Color Hard Black Defined Color Black Hub Drilling 36 ISO Diameter 406 20" BMX Manufacturer Spec ERD (mm) 390 Rim Center Offset (mm) 0